СПОСОБ РЕГИСТРАЦИИ ГОНИОХРОМАТИЧЕСКИХ ХАРАКТЕРИСТИК ЛАКОКРАСОЧНОЙ ПЛЕНКИ

Изобретение предназначено для регистрации визуальных свойств поверхности с использованием устройства, содержащего устройство (3) формирования изображения для регистрации взаимодействия света (отражения или пропускания) с поверхностью, источник света (2) и область образца для размещения образца с лакокрасочной пленкой (6), которая подлежит исследованию. Устройство формирования изображения, источник света и область образца расположены таким образом, что в одном изображении, по меньшей мере, одну из характеристик поверхности можно регистрировать как функцию непрерывного диапазона углов между направлением освещения (7, 9) и направлением наблюдения (4, 5). Устройство формирования изображения представляет собой камеру на ПЗС. Техническим результатом является возможность осуществления оценки поверхности при одном цикле регистрации по непрерывному диапазону флоп-углов. 8 з.п. ф-лы, 8 ил.

Verfahren zum Bereitstellen von Daten im Zusammenhang mit der Mundhöhle

Spectral analysis of a sample

Spectral analysis of a sample, for example Raman spectroscopy of pharmaceutical dosage forms e.g. tablets or capsules, uses delivery optics 16 to direct probe light to a region 13 of the sample 12, collection optics 20 to collect probe light scattered from a region 17 of the sample, and a spectrometer 26 having an entrance port 28, the spectrometer receiving the collected probe light from the collection optics at the entrance port, and detecting spectral features in the received probe light. The collection optics comprise Koehler integration optics 100 to process the collected probe light such that the collected light from each point of the collection region is distributed across the entrance port of the spectrometer. The collection optics may include an optical fibre bundle 32, collimator lenses and spectral filters. The spectral filters may block wavelengths of the probe light but allow Raman scattered wavelengths to pass.

Fluid-borne particle detector

A spectroscopic gas sensor with its optical components integrated in the sensor housing

The present invention relates to a spectroscopic gas sensor, in particular for detecting at least one gas component in recirculated air, and to a method for producing such a spectroscopic gas sensor, the gas sensor having at least one radiation recording instrument 1 to detect a radiation spectrum characteristic of the at least one gas component, a housing 2 to hold the at least one radiation recording instrument with at least one housing wall end section; and at least one optical component 3, 4 with at least one connecting section 41, which can be connected to the at least one housing wall end section by a process of hot pressing the at least one housing wall end section.

Domed gas sensor

DOME GAS SENSOR

DEVICE FOR LIGHTING

EQUIPMENT FOR THE ASSORTMENT AND CONCENTRATION OF ELECTROMAGNETIC ENERGY AND DEVICE WITH AT LEAST SUCH EQUIPMENT

VORRICHTUNG ZUR BELEUCHTUNG

Ultra-high efficiency color mixing and color separation

Methods and apparatus for combining or separating spectral components by means of a polychromat. A polychromat is employed to combine a plurality of beams, each derived from a separate source, into a single output beam, thereby providing for definition of one or more of the intensity, color, color uniformity, divergence angle, degree of collimation, polarization, focus, or beam waist of the output beam. The combination of sources and polychromat may serve as an enhanced-privacy display and to multiplex signals of multiple spectral components. In other embodiments of the invention, a polychromat serves to disperse spectral components for spectroscopic or de-multiplexing applications.

Detection systems and methods using coherent anti-Stokes Raman spectroscopy

Systems and methods for remote and/or portable detection are provided. The system can include a source (305) of coherent laser pulses, components (315,320) for converting the coherent laser pulses into first beam pulses (391) at a first wavelength value, second beam pulses (392) at a second wavelength value, and third beam pulses (393) at a third wavelength value. Systems can further include optical components (330) configured to delay at least one of the first beam pulses, the second beam pulses, and the third beam pulses in order to create delayed beam pulses, and a focusing component (340) configured direct a substantially collinear combination of the delayed beam pulses and two of a set of: the first beam pulses, the second beam pulses, and the third beam pulses, onto a sample (355).

SIMULTANEOUS MULTI-BEAM PLANAR ARRAY IR (PAIR) SPECTROSCOPY

An apparatus (300') and method capable of providing spatially multiplexed IR spectral information simultaneously in real-time for multiple samples or multiple spatial areas of one sample using IR absorption phenomena requires no moving parts or Fourier Transform during operation, and self-compensates for background spectra and degradation of component performance over time. IR spectral information and chemical analysis of the samples is determined by using one or more IR sources (310, 311), one or more sampling accessories (330, 331) for positioning the sample volumes, one or more optically dispersive elements (350), a focal plane array (FPA) (370) arranged to detect the dispersed light beams, and a processor (380) and display (390) to control the FPA (370), and display(390) to control the FPA (370) and display IR spectrograph.

OPTICAL SPECTROSCOPY DEVICE FOR NON-INVASIVE BLOOD GLUCOSE DETECTION AND ASSOCIATED METHOD OF USE

An apparatus for concentrating light and associated method of use is disclosed. This apparatus includes a first outer wall having an anterior end, a posterior end, an inner surface and an outer surface, the inner surface defining an interior portion, the interior portion having an anterior end and a posterior end, and a light source disposed within the interior portion. The first outer wall has an opening in the posterior end, the opening having an opening diameter. The interior portion has a substantially frusto- conical shape and has a cross-sectional diameter at the opening equal to the opening diameter and a second cross-sectional diameter near the anterior end that is less than the opening diameter and the inner surface is photo-reflective. The light passes through a sample through an aperture and a collector lens or a second outer wall. A transmission diffraction grating may be utilized.

INFRARED RADIATION SOURCES, SENSORS AND SOURCE COMBINATIONS, AND METHODS OF MANUFACTURE

A blackbody radiation device (110) includes a planar filament emission element (102) and a planar detector (104) for respectively producing and detecting radiation having width d1/1 less than about 0.1 to test a sample gas, where I is the wavelength of the radiation; a reflector (108); a window (W); an electrical control (118); and a data output element (116).

METHOD AND APPARATUS FOR TRANSDERMAL IN VIVO MEASUREMENT BY RAMAN SPECTROSCOPY

The use of a transdermal Raman spectrum to measure glucose or other substance concentration can give an inaccurate result if the Raman signals originate at a wrong skin depth. To predict whether a spectrum of Raman signals received transdermally in a confocal detector apparatus and having at least one component expected to have an intensity representing the concentration of glucose or another skin component at a point of origin of said Raman signals below the surface of the skin will accurately represent said concentration, peaks in the spectrum at 883/4cm-1 and 894cm-1 are measured to determine whether the Raman signals originate primarily within the stratum corneum so that the spectrum will be less likely to represent said concentration accurately or originate primarily below the stratum corneum so that the spectrum will be more likely to represent said concentration accurately.

SPECTROMETER

The present invention concerns an LED spectrometer operating without moving parts, according to the sweep principle, and appropriate to serve as a structural component in many kinds of spectroscopic concentration analysers. The design of the invention affords the advantage that, even at its minimum, the optical power of the LED spectrometer of the invention is about fivefold compared with designs of prior art. Furthermore, improvement of the efficiency of the LED radiation source and of that of the optics has brought a multiple augmentation in power to the wavelength spectrum sent out by the radiation source. In the design of the invention, concentrators (6) of non-imaging type are used to collimate the wavelength spectrum emitted by the LEDs (3).

Absorptionsmessvorrichtung, insbesondere für Mikrospektralanalyse

Illuminating device

Low stray light polychromator

The invention discloses a low stray light polychromator. The polychromator comprises an optical cavity, an incidence slit, a chromatic dispersion system and an array detector. The chromatic dispersion element of the chromatic dispersion system is a raster. The photosensitive surface of the array detector is crossed with a principal section of the raster in a tilted manner. According to the low stray light polychromator disclosed by the invention, the stray light generated by undesired reflection on the photosensitive surface of the array detector is reflected out of a desired optical path by changing the relative positions of the optical appliances in the polychromator. In addition, a small aperture slot with an extinction function is installed on a plane for reflecting the light spot projection on the inner wall of the optical cavity so as to greatly reduce the stray light.

Imaging optics for the spectral analysis of a scene.

DEVICE FOR DISPENSING AND COLLECTING LIGHT FOR MEASURING THE RAMAN SCATTER OF A SAMPLE

La présente invention se rapporte à un dispositif de collecte et de distribution de lumière destiné à mesurer la dispersion Raman à partir d'une grande zone d'un échantillon. Le dispositif de collecte et de distribution de lumière comprend une cavité réfléchissante composée d'un matériau ou ayant un revêtement de surface ayant une réflectivité élevée à la lumière d'excitation et à la lumière dispersée Raman. La cavité réfléchissante comporte deux ouvertures. La première ouverture est configurée pour recevoir la lumière d'excitation qui se projette ensuite sur la deuxième ouverture. La deuxième ouverture est configurée pour être appliquée près de l'échantillon de telle sorte que la cavité réfléchissante forme sensiblement une enceinte couvrant une grande zone de l'échantillon. La lumière d'excitation produit de la lumière dispersée Raman à partir de la zone couverte de l'échantillon. La cavité réfléchissante réfléchit toute lumière d'excitation et toute lumière dispersée Raman provenant ...

MODULATE SPECTROSCOPIC GAS SENSOR OF MEASUREMENT Of a CONCENTRATION DEGAZ

Module de capteur de mesure spectroscopique d'une concentration de gaz, comprenant un capteur de gaz spectroscopique (2) ayant une microstructure de mesure (11) et une puce de capteur (3) munie de plots de contact (17) ainsi que d'une puce de recouvrement (5) transparente aux rayons infrarouges IR, recouvrant la structure de mesure (1) et fixée à la puce de capteur (3). Un boîtier prémoulé (22) injecté en matière plastique a un fond de boîtier (22a) et un bord de boîtier (22b), auquel est fixé un couvercle (30) muni d'un orifice formant diaphragme (32) fixé au-dessus de la structure de mesure (11). Une puce de filtre (9) entre le couvercle (30) et la puce de recouvrement (5) filtre sélectivement une plage de longueur d'ondes de rayonnement infrarouge ; un châssis conducteur (23) injecté en partie dans le boîtier prémoulé (22) a plusieurs conducteurs (24) dont les zones extérieures sont des pattes de branchement (24a) recourbées vers le haut à partir du bord de boîtier (22b)pour la mise ...

Optical coupling system for coupling optical telescope collector and optical receiver e.g. spectrum analyzer, has receiver including face, where system orients face to center cone on zone of opening of collector providing optical energy

L'invention concerne le couplage entre un collecteur optique de télescope et un récepteur optique (5), le récepteur optique comprenant une face de réception d'un faisceau lumineux transmis par le collecteur optique, disposée en regard du faisceau lumineux et présentant un cône d'ouverture optique, le collecteur optique transmettant le faisceau lumineux selon une ouverture optique dont la zone centrale est obturée. Le couplage est obtenu par orientation de la face de réception du récepteur (5) pour centrer son cône d'ouverture optique sur une zone de l'ouverture optique du collecteur fournissant de l'énergie optique.

Raman probe and spectroscopic analysis apparatus using the Raman probe for in vivo biological components

Optical measurement system and the device thereof

The invention discloses an optical measurement system for measuring the optical properties of a device under test (DUT). The optical measurement system includes a DUT, a light measuring module, a light guiding module and an analyzing module. The present invention utilizes the light guiding module to receive an axial ray of the rays emitted by the DUT so as to analyze the optical properties thereof. Thus, the present invention is not only capable of measuring the light intensity of the rays emitted by the DUT, but also capable of obtaining the properties of the axial ray emitted by the DUT.

COSMETIC COLOR DETERMINATE SYSTEM WITH INFRARED SENSING

Systems and methods use infrared ("IR") wavelengths to assist in cosmetic determination of hair and skin color. Preferred embodiments include a light collector that has significant sensitivity to light waves having a wavelength above 700 nm, and in various contemplated embodiments the light collector has significant sensitivity to light waves above 750, 800, 850 nm, 900 nm, 1000 nm and/or 1100 nm.

ARRAY DETECTOR COUPLED SPECTROANALYTICAL SYSTEM AND GRADED BLAZE ANGLE GRATING

A spectroanalytical system for receiving radiation to be analyzed along a first path includes a grating in the first path with periodic faceted grooves for spatially separating the radiation as a function of wavelength. The blaze angles of the faceted grooves are progressively graded. A multielement detector detects radiation spatially separated by the grating. An optical conditioner is disposed in the first path between the grating and a multielement detector.

Sample inspection system

A curved mirrored surface is used to collect radiation scattered by a sample surface and originating from a normal illumination beam and an oblique illumination beam. The collected radiation is focused to a detector. Scattered radiation originating from the normal and oblique illumination beams may be distinguished by employing radiation at two different wavelengths, by intentionally introducing an offset between the spots illuminated by the two beams or by switching the normal and oblique illumination beams on and off alternately. Beam position error caused by change in sample height may be corrected by detecting specular reflection of an oblique illumination beam and changing the direction of illumination in response thereto. Butterfly-shaped spatial filters may be used in conjunction with curved mirror radiation collectors to restrict detection to certain azimuthal angles.

Optical accessory for variable angle reflection spectroscopy

A variable angle reflection accessory for use in reflection spectrometry characterized by a pair of fixed ellipsoidal reflectors positioned inside an enclosure adjacent a sample surface on the outside of the enclosure and a pair of rotatable plane mirrors positioned at opposite sides of the sample surface. The spectrometer beam is brought to a focus at the first plane mirror, from which it is reflected off the first ellipsoidal reflector to a focus at the sample surface. The reflected beam follows a corresponding path back to the spectrometer. Rotating the mirrors in unison causes the beam angle of incidence on the sample surface to vary over a wide range while maintaining optical alignments and continuing to center the radiation on the same sample area. The outside positioning of the sample surface allows the accessory to be easily coupled to a purge port of the spectrometer and allows rapid sample exchanges without breaking the purge atmosphere.

Sample inspection system

A curved mirrored surface is used to collect radiation scattered by a sample surface and originating from a normal illumination beam and an oblique illumination beam. The collected radiation is focused to a detector. Scattered radiation originating from the normal and oblique illumination beams may be distinguished by employing radiation at two different wavelengths, by intentionally introducing an offset between the spots illuminated by the two beams or by switching the normal and oblique illumination beams on and off alternately. Beam position error caused by change in sample height may be corrected by detecting specular reflection of an oblique illumination beam and changing the direction of illumination in response thereto. Butterfly-shaped spatial filters may be used in conjunction with curved mirror radiation collectors to restrict detection to certain azimuthal angles.

Method for remotely controlling a spectral measurement device utilizing predicted service life or a remotely provided software upgrade including color reference or shade guide data

Optical characteristic measuring systems and methods such as for determining the color or other optical characteristics of teeth are disclosed. Perimeter receiver fiber optics preferably are spaced apart from a source fiber optic and receive light from the surface of the object/tooth being measured. Light from the perimeter fiber optics pass to a variety of filters. The system utilizes the perimeter receiver fiber optics to determine information regarding the height and angle of the probe with respect to the object/tooth being measured. Under processor control, the optical characteristics measurement may be made at a predetermined height and angle. Various color spectral photometer arrangements are disclosed. Translucency, fluorescence, gloss and/or surface texture data also may be obtained. Audio feedback may be provided to guide operator use of the system. The probe may have a removable or shielded tip for contamination prevention. A method of producing dental prostheses based on measured ...

INTELLIGENT SOLID STATE LIGHTING

A light fixture, using one or more solid state light emitting elements utilizes a diffusely reflect chamber to provide a virtual source of uniform output light, at an aperture or at a downstream optical processing element of the system. Systems disclosed herein also include a detector, which detects electromagnetic energy from the area intended to be illuminated by the system, of a wavelength absent from a spectrum of the combined light system output. A system controller is responsive to the signal from the detector. The controller typically may control one or more aspects of operation of the solid state light emitter(s), such as system ON-OFF state or system output intensity or color. Examples are also discussed that use the detection signal for other purposes, e.g. to capture data that may be carried on electromagnetic energy of the wavelength sensed by the detector.

SCALABLE SPECTROSCOPIC DETECTION AND MEASUREMENT

The present invention generally pertains to a system, method and kit for the detection and measurement of spectroscopic properties of light from a sample, or the scalable detection and measurement of spectroscopic properties of light from each sample present among multiple samples, simultaneously, wherein the system comprises: an optical train comprising a dispersing element; and an image sensor. The light detected and measured may comprise light scattered from a sample, emitted as chemiluminescence by a chemical process within a sample, selectively absorbed by a sample, or emitted as fluorescence from a sample following excitation.

Optical device for improved wavelength resolution and wavelength accuracy

An optical device includes: a diffraction grating; a depolarization plate containing a birefringent material to eliminate polarization dependency of the diffraction grating; and an optical corrector configured to optically correct diffraction angle deviation of diffracted light due to diffraction at the diffraction grating. The optical corrector may be configured to bend back the diffracted light diffracted by the diffraction grating to re-emit the light to the diffraction grating.

SMOKE DETECTOR FOR ASPIRATION SMOKE DETECTOR SYSTEM

A smoke detector (100) for use with an aspiration smoke detector (ASD) is described. The smoke detector includes a light source (104) configured to emit a beam of light (108); a reflector (102) including an aperture (110), the aperture aligned with a direction of propagation of the beam of light when no scattering occurs; and a photodetector (106); the reflector configured to reflect light scattered from the beam of light received at the reflector to a single focal point; and the photodetector located at the single focal point. An aspiration smoke detector (ASD) system (2) includes the smoke detector and a method of detecting smoke using the smoke detector.

SYSTEM AND METHOD FOR EMITTING INFRARED RADIATION USING REFLECTED RADIATION TO ENHANCE EMISSION EFFICIENCY

SPECTRALLY ADJUSTABLE LIGHT SOURCE FOR ILLUMINATING AN OBJECT

ECHELLE SPECTROMETER

СИСТЕМА И СПОСОБ ДЛЯ ИСПУСКАНИЯ ИНФРАКРАСНОГО ИЗЛУЧЕНИЯ С ИСПОЛЬЗОВАНИЕМ ОТРАЖЕННОГО ИЗЛУЧЕНИЯ ДЛЯ ПОВЫШЕНИЯ ЭФФЕКТИВНОСТИ ЭМИССИИ

... 1. Устройство (48) инфракрасного источника, содержащее:излучатель (60), выполненный с возможностью испускания инфракрасного электромагнитного излучения вдоль оптического пути, причем излучатель задает телесный угол эмиссии, в котором испускается инфракрасное электромагнитное излучение, и при этом часть испускаемого инфракрасного электромагнитного излучения, которая может быть использована вдоль оптического пути, задает пригодный для использования телесный угол, который меньше телесного угла эмиссии, так что телесный угол эмиссии охватывает пригодный для использования телесный угол; иотражающую конструкцию (68), выполненную с возможностью отражения, по меньшей мере, части испускаемого инфракрасного электромагнитного излучения, которая выходит за пределы пригодного для использования телесного угла, так что отраженное инфракрасное электромагнитное излучение фокусируется на излучателе или вблизи него, таким образом увеличивая нагрев излучателя.2. Устройство источника по п. 1, в котором отражающая ...

NON-IMAGING OPTICAL ENERGY TRANSFER SYSTEM

Measuring device

An integrated optical system for the examination of sample materials

SPECTROSCOPIC SYSTEMS TO THE ANALYSIS OF SMALL ONES AND SMALLEST ONE SUBSTANCE QUANTITIES

Optical system for reference switching

Systems and methods for determining one or more properties of a sample are disclosed. The systems and methods disclosed can be capable of measuring along multiple locations and can reimage and resolve multiple optical paths within the sample. The system can be configured with one-layer or two-layers of optics suitable for a compact system. The optics can be simplified to reduce the number and complexity of the coated optical surfaces, etalon effects, manufacturing tolerance stack-up problems, and interference-based spectroscopic errors. The size, number, and placement of the optics can enable multiple simultaneous or non- simultaneous measurements at various locations across and within the sample. Moreover, the systems can be configured with an optical spacer window located between the sample and the optics, and methods to account for changes in optical paths due to inclusion of the optical spacer window are disclosed.

Improved sample inspection system

Dome gas sensor

Detection systems and methods using coherent anti-Stokes Raman spectroscopy

Systems and methods for remote and/or portable detection are provided. The system can include a source (305) of coherent laser pulses, components (315,320) for converting the coherent laser pulses into first beam pulses (391) at a first wavelength value, second beam pulses (392) at a second wavelength value, and third beam pulses (393) at a third wavelength value. Systems can further include optical components (330) configured to delay at least one of the first beam pulses, the second beam pulses, and the third beam pulses in order to create delayed beam pulses, and a focusing component (340) configured direct a substantially collinear combination of the delayed beam pulses and two of a set of: the first beam pulses, the second beam pulses, and the third beam pulses, onto a sample (355).

OPTICAL FILTER AND SPECTROMETER

PORTABLE COLOUR SENSOR

The present concept is a portable colour sensor for measuring colour of a substrate that includes a single flat printed circuit board with a top and bottom side which includes at least one LED light and one colour sensor and at least one light pipe receiving light from the LED and transmitting it onto a substrate at an angle theta. It also includes a tube frame including an optical tube for receiving light reflections from the substrate and directing the reflections to the colour sensor. The light pipes and the tube frame, are mounted and compression fit between the printed circuit board and a lower housing.

OPERATION OF A LED LIGHTING SYSTEM AT A TARGET OUTPUT COLOR USING A COLOR SENSOR

A method for operating a LED lighting system at a target output color is provided. The LED system includes a color sensor and three or more LED emitters each operable at a controllable emitter drive setting. The method provides at least one calibration matrix defining a relationship between measurements obtained from the color sensor, represented by sensor color point coordinates, and absolute color point coordinates in an absolute color space. In some embodiments, a calibration matrix defining a non-linear relationship between the two color spaces is provided. In other embodiments, individual calibration matrices are provided for each LED emitter.

SCALABLE SPECTROSCOPIC DETECTION AND MEASUREMENT

The present invention generally pertains to a system, method and kit for the detection and measurement of spectroscopic properties of light from a sample, or the scalable detection and measurement of spectroscopic properties of light from each sample present among multiple samples, simultaneously, wherein the system comprises: an optical train comprising a dispersing element; and an image sensor. The light detected and measured may comprise light scattered from a sample, emitted as chemiluminescence by a chemical process within a sample, selectively absorbed by a sample, or emitted as fluorescence from a sample following excitation.

SPECTROSCOPIC GAS-DETECTOR IN PARTICULAR TO SEEK AT LEAST a COMPONENT GAS IN the AIR SURROUNDING AND MANUFACTORING PROCESS

DEVICE OF OPTICAL TRANSFER Of ENERGY NOT FORMING an IMAGE

SPECTROGRAPH HAS MIRROR ELLIPTIC

L'invention est relative à un spectrographe comportant des moyens de focalisation (3) d'un rayonnement émis par un échantillon éclairé par une source de rayonnement, et des moyens de diffraction (4) du rayonnement focalisé, dans lequel, selon l'invention, les moyens de diffraction comprennent un réseau de diffraction plan à pas variable, et les moyens de focalisation comprennent un miroir elliptique, l'échantillon étant placé à l'un des foyers (F1) d'une surface ellipsoïde définissant le miroir elliptique.

APPARATUS FOR MEASURING POLLUTANTS AND METHOD OF OPERATING THE SAME

A system for the detection of components in a region of the atmosphere is disclosed, the system comprising a spectrometer assembly having a detector optically coupled to a optical assembly, the optical assembly receiving incident sunlight from the region of the atmosphere, the optical assembly having a field of view extending from the zenith to below the horizon; means for rotating the spectrometer assembly about a vertical axis; and a processor for receiving data from the spectrometer assembly and compiling data relating to the identity and concentration of components in the region of the atmosphere. A method of monitoring pollutants in a region of the atmosphere comprises providing a spectrometer assembly having a detector optically coupled to an optical assembly having a field of view extending from the zenith to below the horizon; exposing the spectrometer assembly to incident sunlight while rotating the spectrometer assembly about a substantially vertical axis; and processing signals ...

NON-FOCUSING OPTICS SPECTROPHOTOMETER, AND METHODS OF USE

In one aspect, the present invention provides kinetic spectrophotometers (510) that each comprise: (a) a light source (512); and (b) a compound parabolic concentrator (516) disposed to receive light (514) from the light source and configured to (1) intensify and diffuse the light received from the light source, and (2) direct the intensified and diffused light onto a sample (540). In other aspects, the present invention provides methods for measuring a photosynthetic parameter, the methods comprising the steps of: (a) illuminating a plant leaf until steady-state photosynthesis is achieved; (b) subjecting the illuminated plant leaf to a period of darkness; (c) using a kinetic spectrophotometer of the invention to collect spectral data from the plant leaf treated in accordance with steps (a) and (b); and (d) determining a value for a photosynthetic parameter from the spectral data.

Lighting using solid state light sources

A light fixture, using one or more solid state light emitting elements, provides an unpixelated light output. An optical element receives and diffuses light from the solid state emitters to form a processed light for output via an optical output area of the fixture. The optical element forms light that is relatively uniform, for example having a substantially Lambertian distribution and/or having a maximum-to-minimum intensity ratio of 2 to 1 or less over the optical output area. In the examples, the optical element comprises a cavity having at least one diffusely reflective surface, and the emitting elements supply light into the cavity at locations not visible through an aperture of the cavity that forms the optical output area. Hence, light from the emitting element(s) is diffusely reflected one or more times within the cavity before emission as part of the uniform light output through the aperture.

Electronic device with color sensing ambient light sensor

An electronic device may be provided with a display mounted in a housing. A color sensing ambient light sensor may measure the color of ambient light. The color sensing ambient light sensor may be mounted in alignment with an ambient light sensor window formed in an inactive area of the display. The color sensing ambient light sensor may be formed from detectors on a semiconductor substrate. The detectors may include detectors that have spectral sensitivity profiles matching those of color matching functions. The color sensing ambient light sensor may include an infrared light detector. Light redirecting structures such as a diffuser, prism film, negative lens film, or privacy film may be used in directing light into the ambient light sensor. The color sensing ambient light sensor may be calibrated by exposing the sensor to light sources of different types.

Mirror fluorometer

Described and claimed is a Mirror Fluorometer comprising a rotatable mirror positioned such that it is capable of projecting a converging cone of excitation light onto one or more of the samples wherein the fluorescent signals emitted from fluorophores in the samples is detected. Also claimed is a method of using this Mirror Fluorometer for detecting fluorescent signals emitted by one or more fluorophores from samples from a natural or industrial water system. The fluorometer, when coupled with a controller is capable of monitoring and optionally controlling an industrial process or system, including a paper mill process.

Method and apparatus for colour imaging a three-dimensional structure

A device (100) for determining the surface topology and associated colour of a structure (26), such as a teeth segment, includes a scanner (100,1525) for providing depth data for points along a two-dimensional array substantially orthogonal to the depth direction, and an image acquisition means (68) for providing colour data for each of the points of the array, while the spatial disposition of the device with respect to the structure is maintained substantially unchanged. A processor (24) combines the colour data and depth data for each point in the array, thereby providing a three-dimensional colour virtual model of the surface of the structure. A corresponding method for determining the surface topology and associated colour of a structure is also provided.

SCALABLE SPECTROSCOPIC DETECTION AND MEASUREMENT

Infrared radiation sources, sensors and source combinations, and methods of manufacture

An incoherent radiation emitter/detector is disclosed, comprising: a narrow band device having an emitter/detector surface, the emitter/detector surface characterized by a plurality of geometric features thereon having a size, shape, and distribution definitive of the narrow band, the narrow band having a spectral bandwidth less than a corresponding ideal black body spectral bandwidth.

Improved sample inspection system

A curved mirrored surface (78) is used to collect radiation scattered by a sample surface (76a) and originating from a normal illumination beam (70) and an oblique illumination beam (90). The collected radiation is focused to a detector (80). Scattered radiation originating from the normal and oblique illumination beams may be distinguished by employing radiation at two different wavelengths, by intentionally introducing an offset between the spots illuminated by the two beams or by switching the normal and oblique illumination beams (70, 90) on and off alternately. Beam position error caused by change in sample height may be corrected by detecting specular reflection of an oblique illumination beam and changing the direction of illumination in response thereto. Butterfly-shaped spatial filters may be used in conjunction with curved mirror radiation collectors 78 to restrict detection to certain azimuthal angles.

ОПТИЧЕСКОЕ СПЕКТРОСКОПИЧЕСКОЕ УСТРОЙСТВО ДЛЯ НЕИНВАЗИВНОГО ОПРЕДЕЛЕНИЯ ГЛЮКОЗЫ В КРОВИ И СООТВЕТСТВУЮЩИЙ СПОСОБ ПРИМЕНЕНИЯ

... 1. Устройство для концентрации света, при этом устройство содержит:первую внешнюю стенку, имеющую передний конец, задний конец, внутреннюю поверхность и внешнюю поверхность, причем внутренняя поверхность ограничивает внутренний участок, причем внутренний участок имеет передний конец и задний конец;источник света, расположенный внутри внутреннего участка;причем первая внешняя стенка содержит отверстие на заднем конце, и отверстие имеет диаметр отверстия;причем внутренний участок имеет, по существу, усеченно-коническую форму;причем внутренний участок имеет диаметр поперечного сечения на отверстии, равный диаметру отверстия, и второй диаметр поперечного сечения вблизи переднего конца, который меньше, чем диаметр отверстия; ипричем внутренняя поверхность является фотоотражательной.2. Устройство для концентрации света по п.1, в котором первая внешняя стенка содержит металл, и внутренняя поверхность отполирована.3. Устройство для концентрации света по п.1, в котором угол полураствора усеченно-конической ...

Optisches Element zur Lichtkonzentration und Herstellungsverfahren für ein optisches Element zur Lichtkonzentration

Die Erfindung betrifft ein optisches Element (10) zur Lichtkonzentration für einen vorgegebenen Wellenlängenbereich mit einer Haltehülse (12), welche derart geformt ist, dass ein Lichtdurchströmvolumen von mindestens einer reflektierenden Teiloberfläche (12a) der Haltehülse (12) umrahmt ist, und einem Licht-Transmissionskörper (14), mit welchem das Lichtdurchströmvolumen zumindest teilweise gefüllt ist und welcher zumindest für den vorgegebenen Wellenlängenbereich transmittierend ist, wobei der Licht-Transmissionskörper (14) zumindest teilweise aus mindestens einem für den vorgegebenen Wellenlängenbereich diffusen Medium gebildet ist, und zumindest einen ersten Teilbereich (16b) mit zumindest einer ersten Diffusivität (D2) und einen zweiten Teilbereich (16a) mit zumindest einer von der ersten Diffusivität (D2) abweichenden zweiten Diffusivität (D1) aufweist. Ebenso betrifft die Erfindung ein Spektrometer und ein Mobilgerät. Des Weiteren betrifft die Erfindung ein Herstellungsverfahren für ...

SPEKTROSKOPISCHE SYSTEME ZUR ANALYSE VON KLEINEN UND KLEINSTEN SUBSTANZMENGEN

KOSMETISCHES FARBBESTIMMUNGSSYSTEM MIT INFRAROTMESSUNG

Apparatus for optically measuring an object such as a coating on an organic or polymer base

The apparatus has a beam splitter (4) and several wavelength specific detectors (14). The beam splitter has a housing (5) with a conical inner surface (6). A light inlet opening (8) is provided near the tip (7) of the cone so that the measuring light (9) can enter the beam splitter. A diffusor (10) is arranged in front of the opening. The detectors are arranged at the base (12) of the conical inner surface of the beam splitter housing. Independent claims also cover use of the apparatus.

Spectroscopic gas sensor with integrated optical components and method for producing such a spectroscopic gas sensor

Fluid-borne particle detector

Apparatus for measuring pollutants and method of operating the same

PROCEDURE FOR MAKING AVAILABLE DATA IN CONNECTION WITH THE ORAL CAVITY

APPARATUS WITH INTERNAL TOTAL REFLEXION USING STREWN LIGHT.

COSMETIC COLOR REGULATION SYSTEM WITH INFRARED MEASUREMENT

DEVICE FOR LIGHTING

Simultaneous multi-beam planer array IR (PAIR) sepctroscopy

Method and apparatus for radiation encoding and analysis

Optical system for reference switching

Systems and methods for determining one or more properties of a sample are disclosed. The systems and methods disclosed can be capable of measuring along multiple locations and can reimage and resolve multiple optical paths within the sample. The system can be configured with one-layer or two-layers of optics suitable for a compact system. The optics can be simplified to reduce the number and complexity of the coated optical surfaces, etalon effects, manufacturing tolerance stack-up problems, and interference-based spectroscopic errors. The size, number, and placement of the optics can enable multiple simultaneous or non-simultaneous measurements at various locations across and within the sample. Moreover, the systems can be configured with an optical spacer window located between the sample and the optics, and methods to account for changes in optical paths due to inclusion of the optical spacer window are disclosed.

Apparatus and method for determining a distance to an object in a field

NON-FOCUSING OPTICS SPECTROPHOTOMETER, AND METHODS OF USE

In one aspect, the present invention provides kinetic spectrophotometers (510) that each comprise: (a) a light source (512); and (b) a compound parabolic concentrator (516) disposed to receive light (514) from the light source and configured to (1) intensify and diffuse the light received from the light source, and (2) direct the intensified and diffused light onto a sample (540). In other aspects, the present invention provides methods for measuring a photosynthetic parameter, the methods comprising the steps of: (a) illuminating a plant leaf until steady-state photosynthesis is achieved; (b) subjecting the illuminated plant leaf to a period of darkness; (c) using a kinetic spectrophotometer of the invention to collect spectral data from the plant leaf treated in accordance with steps (a) and (b); and (d) determining a value for a photosynthetic parameter from the spectral data.

SPECTROPHOTOMETER WITH VERY HIGH RESOLUTION

HYPERSPECTRAL CAMERA AND METHOD FOR ACQUIRING HYPERSPECTRAL DATA

Hyperspectral camera comprising light mixing chambers (3000) where the chambers are projected onto the imaging sensor (2100), the projection of each chamber being slightly larger than a sensor pixel. The chambers are placed as a linear array (3100) in the slit plane (2040) for a first embodiment or as a two dimensional matrix directly in front of the imaging sensor for a second embodiment. The mixed light from each chamber is depicted by several sensor pixels, the sensor outputting sensor information used to form an overdetermined equation set,, this set is solved and optimised for the solution giving the lowest overall error or the best fit. The solution of the equation set combined with the optimisation is the intensity values of the chambers (3000) constituting imaginary pixels being calculated. These imaginary pixels form the output of an improved hyperspectral camera system, which has significantly lower optical errors like keystone and point spread function variation for different ...

SCATTERED TOTAL INTERNAL REFLECTANCE APPARATUS

SCATTERED TOTAL INTERNAL REFLECTANCE APPARATUS A new immunoassay system is provided for the detection of ligands or ligand binding partners in solution in a heterogeneous format. The invention relies upon the detection of back scattered light from an evanescent wave disturbed by the presence of a colloidal gold label brought to the interface by an immunological reaction. The evanescent wave existing at the interface in turn is the result of a totally internally reflected incident light wave. Placement of the detector at a back angle above the critical angle insures a superior signal-to-noise ratio. Apparatus and methods for scanning, detecting and manipulating light including a scattered total internal reflectance immunoassay system are provided. ORD-82 ...

Multi-wavelength thermometer

Compact detector for simultaneous particle size and fluorescence detection

fluorômetrofluorômetro capable to detect fluorescent signals emitted by one or fluoróforosfluoróforos gifts in one or more samples

EMITTING DEVICE A BEAM SO CONTROLLED SPECTRUM

Un dispositivo de emisión (1) de un haz luminoso de espectro controlado. El dispositivo de emisión contiene: por lo menos dos fuentes de luz distintas (S1 a N) que emiten cada una de ellas un haz luminoso a una longitud de onda l₁ y l₂ respectivamente, y medios de multiplexado espectral (25). Los medios de multiplexado espectral (25) contienen un conjunto (25) óptico formado por lo menos por una lente (25) y/o un prisma óptico. El conjunto (25) óptico presenta propiedades de dispersión cromática y acerca espacialmente los haces luminosos. Además, cada haz luminoso por lo menos tiene una longitud de onda l₁ y l₂ respectivamente que se propaga en espacio libre desde la fuente de luz (S1 a N) correspondiente hasta el conjunto (25) óptico. El dispositivo de emisión (1) es particularmente robusto. Puede ser de pequeñas dimensiones y producirse a bajo costo.

High density multi-channel detecting device

Method and apparatus for identifying a seafood sample and method for determining a freshness of a seafood sample

A method and apparatus for field spectroscopic characterization of seafood is disclosed. A portable NIR spectrometer is connected to an analyzer configured for performing a multivariate analysis of reflection spectra to determine qualitatively the true identities or quantitatively the freshness of seafood samples.

COMPACT DETECTOR FOR SIMULTANEOUS PARTICLE SIZE AND FLUORESCENCE DETECTION

A particle detection and classification system is disclosed. The system determines the size of measured particles by measuring light scattered by the particles. The system simultaneously determines whether measured particles are biological or non-biological by measuring fluorescent light from the particles. The system uses a parabolic reflector, and optionally, a spherical reflector to collect fluorescence light.

OPTICAL SPECTROSCOPY DEVICE FOR NON-INVASIVE BLOOD GLUCOSE DETECTION AND ASSOCIATED METHOD OF USE

An apparatus for concentrating light and associated method of use is disclosed. This apparatus includes a first outer wall having an anterior end, a posterior end, an inner surface and an outer surface, the inner surface defining an interior portion, the interior portion having an anterior end and a posterior end, and a light source disposed within the interior portion. The first outer wall has an opening in the posterior end, the opening having an opening diameter. The interior portion has a substantially frusto- conical shape and has a cross-sectional diameter at the opening equal to the opening diameter and a second cross-sectional diameter near the anterior end that is less than the opening diameter and the inner surface is photo-reflective. The light passes through a sample through an aperture and a collector lens or a second outer wall. A transmission diffraction grating may be utilized.

SPECTROSCOPIC OPTICAL SYSTEM, SPECTROSCOPIC MEASUREMENT DEVICE

Provided is technology with which the effect of non-sensitive areas can be mitigated and information about light wavelength distribution can be obtained. This spectroscopic optical system comprises a light guiding part, an optical projection system, a filter part, a light receiving part and a switching part. The light guiding part emits light with a plurality of wavelengths. The optical projection system emits the light with a plurality of wavelengths from the light guiding part as collimated light. The filter part emits the collimated light from the optical projection system as transmitted light, the wavelengths of which are continuously changing in a predetermined direction. The light receiving part comprises a plurality of light receiving elements that receive the transmitted light according to wavelength. The switching part switches, in the predetermined direction, the angle of entry of the collimated light entering the filter part.

SYSTEM AND METHOD FOR EMITTING INFRARED RADIATION USING REFLECTED RADIATION TO ENHANCE EMISSION EFFICIENCY

A source assembly (48) configured to generate infrared electromagnetic radiation includes an emitter (60) that emits electromagnetic radiation over an emission solid angle. A portion of the emitted electromagnetic radiation is used in a detection. The portion of the user electromagnetic radiation surrounds the optical path in a usable solid angle. Electromagnetic radiation outside of the usable solid angle is focused back by a reflection assembly (64) onto the emitter to enhance the efficiency of the emitter.

LITTROW SPECTROMETER AND A SPECTRAL DOMAIN OPTICAL COHERENCE TOMOGRAPHY SYSTEM WITH A LITTROW SPECTROMETER

A compact conical diffraction Littrow spectrometer is disclosed. The distortion of the conically diffracted spectral component beams is compensated and as a result, the diffracted spectral beams can still be focused into a substantially straight line to shine onto a detector array. A spectral domain optical coherence tomography (SD-OCT) system incorporating a Littrow spectrometer or a spectrometer having one or more shared focusing element(s) and an SD-OCT system incorporating a spectrometer that is substantially polarization independent are also disclosed.

Multi-spectrum image capturing device and multi-spectrum illuminating device

A multi-spectrum image capturing device includes a multi-spectrum illuminating device comprising LED's for emitting lights of different wavelengths from one another, a plurality of optical rods for relaying the lights emitted from the LED's, an optical diffusion element for diffusively reflecting the lights from the optical rods by a white diffusion surface and an aluminum-coated reflecting surface to be irradiated at an angle of about 60° with respect to an image-capturing optical axis, and an optical sheet for further diffusing the lights from the optical diffusion element, and also includes an image-capturing optical system and a CCD for forming an image based on lights reflected from an irradiated surface under illumination by the multi-spectrum illuminating device to capture the formed image. An image output captured by the CCD is analyzed to measure color components of the irradiated surface.

Optical energy transfer method

A method of collecting optical energy which allows the use of short focal length mirrors of relatively small physical size and in particular the use of the standard collecting mirrors usually employed in such spectrophotometers, for a wide range of sample sizes and collection configurations. A relatively large diameter internal surface, which in many cases can be incorporated into the design of other elements in the sampling system, is used. A physically large cell is interfaced to a radiation collector, such as a mirror. In this case the nut sealing the end window on the cell is internally coated (with gold in the preferred embodiment) to constitute a surface and this acts as a transfer mechanism for the backs-scattered radiation from sample. A solid collecting angle of 60 degrees (in this example) can be so obtained to transfer the energy to the standard radiation collector, such as a collecting mirror, of the spectrophotometer. Radiation, such as laser light, incident upon the sample ...

SYSTEM FOR NON-INVASIVE MEASUREMENT OF GLUCOSE IN HUMANS

An apparatus and method for non-invasive measurement of glucose in human tissue by quantitative infrared spectroscopy to clinically relevant levels of precision and accuracy. The system includes six subsystems optimized to contend with the complexities of the tissue spectrum, high signal-to-noise ratio and photometric accuracy requirements, tissue sampling errors, calibration maintenance problems, and calibration transfer problems. The six subsystems include an illumination subsystem, a tissue sampling subsystem, a calibration maintenance subsystem, and FTIR spectrometer subsystem, a data acquisition subsystem, and a computing subsystem.

Methods and devices for providing information useful in the diagnosis of abnormalities of the gastrointestinal tract

Disclosed are methods useful for providing information useful in the diagnosis of gastrointestinal abnormalities as well as ingestible devices useful for providing information useful in the diagnosis of gastrointestinal abnormalities.

Wavelength distribution measuring apparatus

Provided is a wavelength distribution measuring apparatus ( 24 ), which includes a diffuser plate ( 52 ) for dispersing light beams radiated from an object to be measured ( 11 ) and a light beam homogenizing optical element ( 53 ) for reflecting, by the side surface ( 53 b ), at least part of the light beams dispersed by the diffuser plate ( 52 ) so that the light beams approximate to the direction of the perpendicular of a light receiving surface and also for guiding the light beams to the light receiving surface, and an optical receiver ( 56 ) including a plurality of light receiving elements for detecting the light beams, the light receiving elements being different from one another in spectral sensitivity characteristic. With this configuration, substantially parallel light beams radiated from the object to be measured ( 11 ) are homogenized at the light receiving surface including the periphery of the light receiving surface.

Color sensing device

A color sensing apparatus ( 10 ) includes au optical system ( 16 ) that produces a spatially uniform light beam ( 18 ).

Ultra-High Efficiency Color Mixing and Color Separation

Methods and apparatus for combining or separating spectral components by means of a polychromat. A polychromat is employed to combine a plurality of beams, each derived from a separate source, into a single output beam, thereby providing for definition of one or more of the intensity, color, color uniformity, divergence angle, degree of collimation, polarization, focus, or beam waist of the output beam. The combination of sources and polychromat may serve as an enhanced-privacy display and to multiplex signals of multiple spectral components. In other embodiments of the invention, a polychromat serves to disperse spectral components for spectroscopic or de-multiplexing applications. 1. A color-combining apparatus comprising:a. a plurality of sources of illumination, each source of illumination emitting a beam characterized by a distinct spectral range, the plurality of beams comprising a set of beams; andb. a polychromat adapted to define light output properties in at least one volume upon illumination of the polychromat by the plurality of sources of illumination.2. The color-combining apparatus of claim 1 , wherein the polychromat is adapted to define light output properties in a plurality of volumes upon illumination of the polychromat by the plurality of sources of illumination.3. The color-combining apparatus of claim 2 , wherein the light output properties defined in at least two of the plurality of volumes are mutually distinct light output properties.4. The color-combining apparatus of claim 1 , wherein the polychromat is adapted to combine the set of beams into an output beam.5. The color-combining apparatus of claim 1 , wherein the polychromat is adapted to define a propagation direction of the output beam.6. The color-combining apparatus of claim 1 , wherein the polychromat is adapted to define at least one property of light in a specified volume of space claim 1 , the one property chosen from the group of properties including:(i) intensity;(ii) color;( ...

OPTICAL FILTER AND SPECTROMETER

An optical assembly is disclosed including two laterally variable bandpass optical filters slacked at a fixed distance from each other, so that the upstream filter functions as a spatial filler for the downstream filter. The lateral displacement may cause a suppression of the oblique beam when transmission passbands at impinging locations of the oblique beam onto the upstream and downstream filters do not overlap. A photodetector array may be disposed downstream of the downstream filter. The optical assembly may be coupled via a variety of optical conduits or optical fibers for spectroscopic measurements of a flowing sample. 132-. (canceled)33. An optical assembly comprising: the two-dimensional array of bandpass optical filter segments including two or more one-dimensional arrays arranged side by side in a first direction, and', 'each of the two or more one-dimensional arrays being arranged side by side in a second, different direction and having a transmission center wavelength that is unique to the two-dimensional array., 'a filter comprising a two-dimensional array of bandpass optical filter segments,'}34. The optical assembly of claim 33 , further comprising: 'the first end being configured for contacting or inserting into a sample, thereby collecting signal light that emanates from the sample.', 'a relay lightpipe that extends between a first end and a second end,'}35. The optical assembly of claim 34 , wherein the relay lightpipe is further configured for unconstrained propagation of the signal light from the first end to the second end.36. The optical assembly of claim 34 , wherein the relay lightpipe comprises mirrored internal walls.37. The optical assembly of claim 34 , wherein the first end comprises a slanted optical surface.38. The optical assembly of claim 33 , further comprising:a different filter comprising a different two-dimensional array of bandpass optical filter segments.39. The optical assembly of claim 33 , further comprising:a grid that ...

Optical System for Reference Switching

Systems and methods for determining one or more properties of a sample are disclosed. The systems and methods disclosed can be capable of measuring along multiple locations and can reimage and resolve multiple optical paths within the sample. The system can be configured with one-layer or two-layers of optics suitable for a compact system. The optics can be simplified to reduce the number and complexity of the coated optical surfaces, et al. on effects, manufacturing tolerance stack-up problems, and interference-based spectroscopic errors. The size, number, and placement of the optics can enable multiple simultaneous or non-simultaneous measurements at various locations across and within the sample. Moreover, the systems can be configured with an optical spacer window located between the sample and the optics, and methods to account for changes in optical paths due to inclusion of the optical spacer window are disclosed. 124-. (canceled)25. A system for determining properties of a sample , the system comprising:one or more light sources;a detector array; and illumination optics; and', the illumination optics and the first collection optics are formed on one or more surfaces of the first substrate;', 'the illumination optics configured to receive light emitted by the one or more light sources and redirect the light towards the sample; and', 'the first collection optics configured to receive at least a portion of a return of the light and redirect the light towards the detector array; and', 'the detector array configured to detect the light redirected by the first collection optics and generate one or more signals indicative of the properties of the sample., 'first collection optics, wherein], 'a first substrate comprising26. The system of claim 25 , further comprising:second collection optics configured to receive and redirect at least the portion of the return of the light to the first collection optics.27. The system of claim 26 , wherein the second collection ...

Accessories for handheld spectrometer

A protective sheath having a closed end and an open end is sized to receive a hand held spectrometer. The spectrometer can be placed in the sheath to calibrate the spectrometer and to measure samples. In a calibration orientation, an optical head of the spectrometer can be oriented toward the closed end of the sheath where a calibration material is located. In a measurement orientation, the optical head of the spectrometer can be oriented toward the open end of the sheath in order to measure a sample. To change the orientation, the spectrometer can be removed from the sheath container and placed in the sheath container with the calibration orientation or the measurement orientation. Accessory container covers can be provided and placed on the open end of the sheath with samples placed therein in order to provide improved measurements.

RAMAN SPECTROSCOPIC ANALYZING APPARATUS

A Raman spectrometry apparatus comprises a condensing unit that condenses a light flux emitted from a light source to a prescribed position in a sample; a retroreflective unit that is disposed opposite to the condensing unit with reference to the sample; and a detecting unit that detects scattering light released from the prescribed position in the sample. The retroreflective unit again condenses the light flux having transmitted through the sample to become incident on the retroreflective unit to the prescribed position, irrespective of any change in disposition of the retroreflective unit. The retroreflective unit has at least one corner cube prism. 1. A Raman spectrometry apparatus comprising:a condensing unit that condenses alight flux emitted from a light source to a prescribed position in a sample;a retroreflective unit that is disposed opposite to the condensing unit with reference to the sample; anda detecting unit that detects scattering light released from the prescribed position in the sample.2. The Raman spectrometry apparatus according to claim 1 , whereinthe retroreflective unit again condenses the light flux having transmitted through the sample to become incident on the retroreflective unit to the prescribed position, irrespective of any change in disposition of the retroreflective unit.3. The Raman spectrometry apparatus according to claim 1 , whereinthe retroreflective unit has at least one corner cube prism.4. The Raman spectrometry apparatus according to claim 1 , whereinthe retroreflective unit has a cat's-eye system.5. The Raman spectrometry apparatus according to claim 1 , whereinthe retroreflective unit has an optical element structured by at least one bead being disposed in an in-plane direction that is perpendicular to an optical axis of the light flux becoming incident on the retroreflective unit.6. A gas component analyzing apparatus comprising the Raman spectrometry apparatus according to . The present invention relates to a component ...

Device for Providing Variable Sized Aperture for a Sample

An apparatus for providing a variable sized aperture for an imaging device includes a first plate having a first plurality of plate apertures extending therethrough and a second plate having a second plurality of plate apertures extending therethrough. A first motor is operably connected to the first plate and a second motor is operably connected to the second plate. The first and second motors are configured to move the first plate and the second plate with respect to one another so as to align any of the first plurality of plate apertures with any of the second plurality of plate apertures to define a plurality of light beam apertures. 1. An apparatus for providing a variable sized aperture for an imaging device comprising:a first plate having a first plurality of plate apertures extending therethrough;a second plate having a second plurality of plate apertures extending therethrough;a first motor operably connected to the first plate; anda second motor operably connected to the second plate, the first and second motors configured to move the first plate and the second plate with respect to one another so as to align any one of the first plurality of plate apertures with any one of the second plurality of plate apertures to define a plurality of light beam apertures.2. The apparatus of claim 1 , wherein each of the first plate and the second plate has a circular shape.3. The apparatus of claim 2 , wherein the first plurality of plate apertures is positioned along a circle proximate a peripheral edge of the first plate and the second plurality of plate apertures is positioned along a circle proximate a peripheral edge of the second plate.4. The apparatus of claim 1 , wherein the plate apertures of the first plate are circular.5. The apparatus of claim 4 , wherein the plate apertures of the second plate are rectangular.6. The apparatus of claim 5 , wherein the second plate is circular and wherein a longitudinal axis of at least one of the plurality of plate ...

Spectrometry systems, methods, and applications

A hand held spectrometer is used to illuminate the object and measure the one or more spectra. The spectral data of the object can be used to determine one or more attributes of the object. In many embodiments, the spectrometer is coupled to a database of spectral information that can be used to determine the attributes of the object. The spectrometer system may comprise a hand held communication device coupled to a spectrometer, in which the user can input and receive data related to the measured object with the hand held communication device. The embodiments disclosed herein allow many users to share object data with many people, in order to provide many people with actionable intelligence in response to spectral data.

RAMAN PROBE AND BIOLOGICAL COMPONENT ANALYZING APPARATUS USING THE SAME

A Raman probe includes: a light source configured to emit light onto an object; a light collector configured to collect Raman-scattered light from the object by reflecting the Raman-scattered light, the light collector including a light incident port, a light emitting port, and a reflective surface including a light incident port portion and a light emitting port portion, a slope of the light incident port portion with respect to an optical axis of the light collector being smaller than a slope of the light emitting port portion with respect to the optical axis; a condenser lens configured to collect the Raman-scattered light collected by the light collector; and a photodetector configured to detect the Raman-scattered light collected by the condenser lens. 1. A Raman probe comprising:a light source configured to emit light onto an object; a light incident port;', 'a light emitting port; and', 'a reflective surface comprising a light incident port portion and a light emitting port portion, a slope of the light incident port portion with respect to an optical axis of the light collector being smaller than a slope of the light emitting port portion with respect to the optical axis;, 'a light collector configured to collect Raman-scattered light from the object by reflecting the Raman-scattered light, the light collector comprisinga condenser lens configured to collect the Raman-scattered light collected by the light collector; anda photodetector configured to detect the Raman-scattered light collected by the condenser lens.2. The Raman probe of claim 1 , wherein the light collector is a body of revolution having the optical axis as a rotation axis.3. The Raman probe of claim 1 , wherein the reflective surface is provided on an inner circumferential surface of the light collector.4. The Raman probe of claim 1 , wherein the slope of the reflective surface increases from the light incident port toward the light emitting port.5. The Raman probe of claim 1 , wherein a ...

SPECTROMETRY SYSTEMS, METHODS, AND APPLICATIONS

A hand held spectrometer is used to illuminate the object and measure the one or more spectra. The spectral data of the object can be used to determine one or more attributes of the object. In many embodiments, the spectrometer is coupled to a database of spectral information that can be used to determine the attributes of the object. The spectrometer system may comprise a hand held communication device coupled to a spectrometer, in which the user can input and receive data related to the measured object with the hand held communication device. The embodiments disclosed herein allow many users to share object data with many people, in order to provide many people with actionable intelligence in response to spectral data. 1. A server-based spectroscopic system , the system comprising:a sensor device comprising an optical spectrometer configured to receive light from a material and transform the light into a spatially encoded spectrum; and;a server configured to receive and analyze a spectrum associated with the spatially encoded spectrum.218-. (canceled)19. The system of claim 1 , wherein the optical spectrometer comprises a filter matrix claim 1 , a lens array claim 1 , and one or more detectors.20. The system of claim 19 , wherein the filter matrix comprises a plurality of filter elements claim 19 , a first filter element being responsive to wavelengths of light within a first wavelength range and a second filter element being responsive to wavelengths of light within a second wavelength range.21. The system of claim 20 , wherein the second wavelength range overlaps the first wavelength range by 1% to 5%.22. The system of claim 20 , wherein the first wavelength range and the second wavelength range are within a spectral range of 10 nm to 1600 nm.23. The system of claim 20 , wherein the lens array comprises a plurality of lenses claim 20 , each lens of the plurality of lenses corresponding to a respective filter of the filter matrix.24. The system of claim 20 , ...

Collection optics system for spectrometer and raman spectral system

A collection optics system for a spectrometer and a Raman spectral system including the collection optics system is provided. The collection optics system is configured to selectively collect a Raman signal from scattered light output from a target object, the collection optics system includes a non-imaging collection unit configured to collect the Raman signal and output the Raman signal, the non-imaging collection unit including an entrance surface on which the scattered light is incident and an exit surface through which the Raman signal is output, and a Raman filter provided on a portion of the entrance surface of the non-imaging collection unit and configured to block the scattered light including a fluorescence signal. Therefore, the collection optics system may suppress reception of the fluorescence signal of the scattered light and selectively collect the Raman signal.

SPECTROMETER DEVICE AND SYSTEM

Described herein are a spectrometer system and a spectrometer device, which are suited for investigation or monitoring purposes, in particular, in the infrared (IR) spectral region, and for a detection of heat, flames, fire, or smoke. 1112. A spectrometer device () , comprising:{'b': 122', '114', '116', '114', '118', '122', '114', '118', '123', '112', '122, 'an optical element () designed for receiving incident light () from an object () and transferring the incident light () to a length variable filter (), wherein the optical element () is arranged in a manner that the incident light () is transferred to the length variable () filter along a light path which is asymmetric with respect to an optical axis () of the spectrometer device (), wherein the optical element () exhibits an asymmetric shape;'}{'b': 118', '114, 'the length variable filter () which is designated for separating the incident light () into a spectrum of constituent wavelength signals; and'}{'b': 120', '144', '144, 'a detector array () comprising a plurality of pixelated sensors (), wherein each of the pixelated sensors () is adapted to receive at least a portion of one of the constituent wavelength signals, wherein each of the constituent wavelength signals is related to an intensity of each constituent wavelength.'}2112122124126200204. The device () according to claim 1 , wherein the optical element () is selected from the group consisting of at least one of an optical concentrator device () operated in a reverse direction () claim 1 , a transfer element () claim 1 , or and a baffle filter ().3112124128174174124168182. The device () according to claim 2 , wherein the optical concentrator device () comprises a conical shape () or a non-conical shape () claim 2 , wherein the non-conical shape () of the optical concentrator device () comprises a shape selected from a parabolic shape () or an elliptical shape ().4112124118124136118. The device () according to claim 1 , wherein the optical concentrator ...

Detector for optically detecting at least one object

A detector for determining a position of at least one object, where the detector includes: at least one optical sensor, where the optical sensor has at least one sensor region, where the optical sensor is designed to generate at least one sensor signal in a manner dependent on an illumination of the sensor region by illumination light traveling from the object to the detector; at least one beam-splitting device, where the beam-splitting device is adapted to split the illumination light in at least two separate light beams, where each light beam travels on a light path to the optical sensor; at least one modulation device for modulating the illumination light, where the at least one modulation device is arranged on one of the at least two light paths; and at least one evaluation device, where the evaluation device is designed to generate at least one item of information from the at least one sensor signal.

SPECTROMETER

A spectrometer includes a light conduit configured to align scattered light scattered in a target by light output from a light source into a collimated beam, and a beam block configured to restrict an angle of the scattered light and detect the scattered light via the light conduit or the beam block through a filter array and a detector, thereby achieving miniaturization in a pen type or a flat plate shape while maintaining a spectral characteristic. 1. A spectrometer comprising:a light source;a beam block configured to restrict an angle of a light scattered by a target;a filter array comprising filters configured to transmit a predetermined wavelength band of the light restricted by the beam block; anda detector array comprising detector cells configured to detect the light transmitted through the filter.2. The spectrometer of claim 1 ,wherein the light source is disposed on a back surface of the detector array, andwherein each of the detector cells and the filters comprises a through hole through which the light emitted from the light source passes.3. The spectrometer of claim 1 , wherein the beam block comprises a block end configured to define openings and a support configured to support the block end.4. The spectrometer of claim 3 , wherein a restriction angle θc restricted by the beam block satisfies a following condition:{'br': None, 'i': bh=w−a', 'c, '*tan θ'}wherein bh is a width of the block end, w is a width of the detector cell, and a is distance between the beam block and the target.5. The spectrometer of claim 3 , wherein the openings correspond to the filters with one-to-one correspondence.6. The spectrometer of claim 3 , wherein each of the openings is smaller than an area of the filter.7. The spectrometer of claim 3 , wherein the support has a barrier rib structure that prevents the light scattered by the target from being incident onto a neighboring cell that is disposed adjacent to the detector cells.8. The spectrometer of claim 1 , wherein the ...

Directional interpolation and cross-band filtering for hyperspectral imaging

Systems and methods are disclosed for processing spectral imaging (SI) data. A training operation estimates reconstruction matrices based on a spectral mosaic of an SI sensor, generates directionally interpolated maximum a-priori (MAP) estimations of image data based on the estimated reconstruction matrices. The training operation may determine filter coefficients for each of a number of cross-band interpolation filters based at least in part on the MAP estimations, and may determine edge classification factors based at least in part on the determined filter coefficients. The training operation may configure a cross-band interpolation circuit based at least in part on the determined filter coefficients and the determined edge classification factors. The configured cross-band interpolation circuit captures mosaic data using the SI sensor, and recovers full-resolution spectral data from the captured mosaic data.

OPTICAL PACKAGE

An optical package is provided. The optical package includes an interference splitter allowing a light having a predetermined wavelength range to transmit through, a sensing element, and a light-transmitting structure. The light-transmitting structure includes a light-transmitting pillar and a light-absorbing layer surrounding the light-transmitting pillar, and the light-absorbing layer absorbs the light having the predetermined wavelength range. The interference splitter, the light-transmitting pillar, and the sensing element are arranged aligned with each other along an extending direction of the light-transmitting pillar. The sensing element is configured to receive the light transmitting through the interference splitter and the light-transmitting pillar. 1. An optical package , comprising:an interference splitter allowing a light having a predetermined wavelength range to transmit through;a sensing element; and a light-transmitting pillar; and', 'a light-absorbing layer surrounding the light-transmitting pillar and absorbing the light having the predetermined wavelength range;, 'a light-transmitting structure, comprisingwherein the interference splitter, the light-transmitting pillar, and the sensing element are arranged aligned with each other along an extending direction of the light-transmitting pillar, and the sensing element is configured to receive the light transmitting through the interference splitter and the light-transmitting pillar.2. The optical package according to claim 1 , wherein the light-absorbing layer has a light absorption rate of 70% or higher with respect to the light having the predetermined wavelength range.3. The optical package according to claim 1 , wherein the interference splitter and the sensing element are located on the same side or on opposite sides of the light-transmitting structure.4. The optical package according to claim 1 , wherein the light-transmitting pillar has a width and a height claim 1 , and a ratio of the height ...

Optical System for Reference Switching

Systems and methods for determining one or more properties of a sample are disclosed. The systems and methods disclosed can be capable of measuring along multiple locations and can reimage and resolve multiple optical paths within the sample. The system can be configured with one-layer or two-layers of optics suitable for a compact system. The optics can be simplified to reduce the number and complexity of the coated optical surfaces, et al. on effects, manufacturing tolerance stack-up problems, and interference-based spectroscopic errors. The size, number, and placement of the optics can enable multiple simultaneous or non-simultaneous measurements at various locations across and within the sample. Moreover, the systems can be configured with an optical spacer window located between the sample and the optics, and methods to account for changes in optical paths due to inclusion of the optical spacer window are disclosed.

OPTICAL FILTER AND SPECTROMETER

An optical assembly is disclosed including two laterally variable bandpass optical filters stacked at a fixed distance from each other, so that the upstream filter functions as a spatial filter for the downstream filter. The lateral displacement may cause a suppression of the Oblique beam when transmission passbands at impinging locations of the oblique beam onto the upstream and downstream filters do not overlap. A photodetector array may be disposed downstream of the downstream filter. The optical assembly may be coupled via a variety of optical conduits or optical fibers for spectroscopic measurements of a flowing sample. 132-. (canceled)33. An assembly comprising:a light source configured to provide illuminating light;a cell comprising a cavity configured to receive and contain a sample in fluid form while transmitting the illuminating light through the cell;an optical assembly that includes an optical filter; and 'wherein the signal light is emitted by the sample in fluid form while the sample in fluid form is in the cavity.', 'a sensor, coupled to the optical filter, configured to selectively detect signal light propagated through the optical filter,'}34. The assembly of claim 33 , wherein the cell is an elongated optical cell.35. The assembly of claim 33 , wherein the cell is a cuvette.36. The assembly of claim 33 , wherein the cell extends parallel to a direction that is transversal to an optical path of the illuminating light.37. The assembly of claim 33 , wherein the cell further comprises an inlet configured to receive the sample in fluid form claim 33 , andwherein the cavity is in fluid communication with the inlet.38. The assembly of claim 33 , wherein the cavity is defined by a substantially transparent sidewall.39. The assembly of claim 38 , wherein the illuminating light is transmitted through the substantially transparent sidewall.40. The assembly of claim 38 , wherein the signal light is transmitted through the substantially transparent sidewall.41 ...

SYSTEMS, METHODS, AND APPARATUS FOR RADIATION DETECTION

A radiation detection technique employs field enhancing structures and electroluminescent materials to converts incident Terahertz (THz) radiation into visible light and/or infrared light. In this technique, the field-enhancing structures, such as split ring resonators or micro-slits, enhances the electric field of incoming THz light within a local area, where the electroluminescent material is applied. The enhanced electric field then induces the electroluminescent material to emit visible and/or infrared light via electroluminescent process. A detector such as avalanche photodiode can detect and measure the emitted light. This technique allows cost-effective detection of THz radiation at room temperatures. 1a conductive structure defining a first gap to receive and trap the electromagnetic radiation so as to generate an enhanced electric field in response to the first spectral component;an electroluminescent (EL) material disposed at least partially within the first gap to emit light in response to the enhanced electric field; anda silicon oxide layer, disposed between the conductive structure and the EL material, to electrically insulate the-conductive structure from the EL material.. An apparatus for detecting electromagnetic radiation including a first spectral component having a first frequency within a range of about 100 GHz to about 100 THz, the apparatus comprising: This application claims priority to U.S. application Ser. No. 15/061,308, filed Mar. 4, 2016, entitled “SYSTEMS, METHODS, AND APPARATUS FOR RADIATION DETECTION.” U.S. application Ser. No. 15/061,308 claims priority to U.S. provisional application Ser. No. 62/129,105, filed Mar. 6, 2015, entitled “SCINTILLATOR FOR IMAGING TERAHERTZ LIGHT”, U.S. provisional application Ser. No. 62/201,274, filed Aug. 5, 2015, entitled “SCINTILLATOR FOR IMAGING TERAHERTZ LIGHT”, and U.S. provisional application Ser. No. 62/216,583, filed Sep. 10, 2015, entitled “SCINTILLATOR FOR IMAGING TERAHERTZ LIGHT.” Each of ...

CUBESAT INFRARED ATMOSPHERIC SOUNDER (CIRAS)

A CubeSat compatible spectrometer including a slit having a first length and first width; a diffraction grating; and a two dimensional focal plane array electromagnetically coupled to the diffraction grating. The 2D focal plane array includes an array of pixels including a plurality of sets of pixels. Diffraction of electromagnetic radiation transmitted through the slit by the diffraction grating forms a plurality of beams, each of the beams comprising a different one of the bands of the wavelengths in the electromagnetic radiation, and each of the beams transmitted onto a different one of the sets of the pixels. 1. A spectrometer , comprising:a slit having a first length and first width;a diffraction grating;a two dimensional (2D) focal plane array electromagnetically coupled to the diffraction grating, the 2D focal plane array comprising an array of pixels including a plurality of groups of the pixels, each of the groups having a second width in a first direction and a second length in a second direction, wherein the second length of the groups of pixels is aligned with and parallel to the first length of the slit; and the slit transmits electromagnetic radiation received on the slit, the electromagnetic radiation comprising a plurality of bands of wavelengths,', 'the diffraction grating diffracts the electromagnetic radiation transmitted through the slit into a plurality of beams,', 'each of the beams comprise a portion of the electromagnetic radiation comprising a different one of the bands of the wavelengths, and', 'each of the beams are transmitted onto a different one of the groups of the pixels (or channels)., 'wherein2. The spectrometer of claim 1 , wherein the diffracting grating comprises an immersion grating.3. The spectrometer of claim 1 , wherein:the bands of wavelengths include a first band comprising a first range of infrared wavelengths divided into a first plurality of channels and a second band comprising a second range of infrared wavelengths ...

Image sensor unit, image reading apparatus, and paper sheet distinguishing apparatus

An image sensor unit includes: a plurality of light sources each including an LED chip; a plurality of light guides that are arranged in parallel to face incident surfaces on one side in a longitudinal direction for each of the plurality of light sources and that guide light from the plurality of light sources to a bill; an image sensor that converts light from the bill to an electric signal; a sensor substrate for mounting the image sensor; and a circuit board that is provided with the plurality of light sources on a same mounting surface and that is arranged on the sensor substrate on one side in the longitudinal direction of the plurality of light guides, wherein the sensor substrate includes a connection hole on one side in the longitudinal direction of the sensor substrate, and the circuit board is connected to the sensor substrate by connecting a connecting portion including a plurality of external connection pads to the connection hole.

Optical Element for Light Concentration and Production Method for an Optical Element for Light Concentration

An optical element for light concentration for a predefined wavelength range, includes a holding sleeve which is formed in such a way that a light passage volume is framed by at least one reflective partial surface of the holding sleeve, and a light transmission element, with which the light passage volume is at least partly filled and which is transmissive, at least for the predefined wavelength range. The light transmission element is at least partly formed from at least one medium that is diffuse for the predefined wavelength range, and has at least one first subregion having at least a first diffusivity and a second subregion having at least a second diffusivity differing from the first diffusivity. The disclosure further relates to a method for producing an optical element for light concentration. 1. An optical element for light concentration for a predetermined wavelength range , comprising:a holding sleeve having at least one reflective partial surface, the holding sleeve shaped such that a light passage volume is framed by the at least one reflective partial surface; anda light transmission body, with which the light passage volume is at least partially filled and which is transmissive at least for the predetermined wavelength range, the light transmission body formed at least partially from at least one medium which is diffuse for the predetermined wavelength range, the light transmission body comprising at least a first subregion with at least one first diffusivity and a second subregion with at least one second diffusivity, which is different to from the first diffusivity.2. The optical element as claimed in claim 1 , the light transmission body further comprising:a light collection surface with a first area content on a first side; anda light exit surface with a second area content, which is less than the first area content, on a second side.3. The optical element as claimed in claim 2 , wherein:the optical element defines at least one central ...

Optical wall and process sensor with plasma facing sensor

Embodiments disclosed herein include an optical sensor system for use in plasma processing tools. In an embodiment, the optical sensor system, comprises an optically clear body with a first surface and a second surface facing away from the first surface. In an embodiment, the optically clear body further comprises a third surface that is recessed from the second surface. In an embodiment, the optical sensor system further comprises a target over the third surface and a first reflector to optically couple the first surface to the target.

SPECTROMETRY SYSTEMS, METHODS, AND APPLICATIONS

A hand held spectrometer is used to illuminate the object and measure the one or more spectra. The spectral data of the object can be used to determine one or more attributes of the object. In many embodiments, the spectrometer is coupled to a database of spectral information that can be used to determine the attributes of the object. The spectrometer system may comprise a hand held communication device coupled to a spectrometer, in which the user can input and receive data related to the measured object with the hand held communication device. The embodiments disclosed herein allow many users to share object data with many people, in order to provide many people with actionable intelligence in response to spectral data. 1. A server-based spectroscopic system , the system comprising:a sensor configured to collect data from a material;a communication device configured to transmit the collected data to a cloud-based server;a cloud-based server configured to analyze the data transmitted from the communication device; anda device configured to receive analysis results from the cloud-based server and present the analysis results to a user.2. The system of claim 1 , wherein the sensor comprises an optical spectroscopy system claim 1 , the optical spectroscopy system comprising:an optical spectrometer;an illumination light source; anda processing device;wherein the system is configured to produce a spectrum that corresponds to one or more chemical or physical properties of the material.3. The system of claim 2 , wherein the optical spectrometer has dimensions smaller than 2 cm×2 cm×2 cm.4. The system of claim 1 , wherein the communication device is a mobile phone.5. The system of claim 1 , wherein the communication device receives the collected data from the sensor using wireless communication.6. The system of claim 1 , wherein the cloud-based server comprises a database of spectra.7. The system of claim 6 , wherein the database of spectra is updatable.8. The system of ...

HIGH-RESOLUTION SPECTRAL IMAGE FAST ACQUISITION APPARATUS AND METHOD

A high-resolution spectral image fast acquisition apparatus comprises an illumination source, an objective lens, a beam splitter, a single shot spectral image acquisition assembly and a reference image acquisition assembly, wherein the objective lens is used to align a sample to be measured; the illumination source is used to project an illumination light onto the sample to be measured so that the sample to be measured is amplified by the objective lens; wherein one part of amplified light enters the single shot spectral image acquisition assembly so as to acquire a low-resolution spectral cube of the sample to be measured, and another part of the amplified light enters the reference image acquisition assembly to acquire a high-resolution spectral cube. The apparatus enables rapid access to high-resolution spectral images, thereby speeding up the process of using spectral images for medical diagnosis. 1. A high-resolution spectral image fast acquisition apparatus comprising an illumination source , an objective lens , a beam splitter , a single shot spectral image acquisition assembly and a reference image acquisition assembly , wherein the objective lens is used to align a sample to be measured; the illumination source is used to project an illumination light onto the sample to be measured so that the sample to be measured is amplified by the objective lens; amplified light passes through the beam splitter so as to be divided into two parts of light , wherein one part of light enters the single shot spectral image acquisition assembly so as to acquire a low-resolution spectral cube of the sample to be measured , and another part of the light enters the reference image acquisition assembly to acquire a high-resolution spectral cube of the sample to be measured.2. The high-resolution spectral image fast acquisition apparatus according to claim 1 , wherein the single shot spectral image acquisition assembly comprises a mirror array claim 1 , a lens claim 1 , a prism ...

OPTICAL SYSTEM FOR REFERENCE SWITCHING

Systems and methods for determining one or more properties of a sample are disclosed. The systems and methods disclosed can be capable of measuring along multiple locations and can reimage and resolve multiple optical paths within the sample. The system can be configured with one-layer or two-layers of optics suitable for a compact system. The optics can be simplified to reduce the number and complexity of the coated optical surfaces, etalon effects, manufacturing tolerance stack-up problems, and interference-based spectroscopic errors. The size, number, and placement of the optics can enable multiple simultaneous or non-simultanous measurements at various locations across and within the sample. Moreover, the systems can be configured with an optical spacer window located between the sample and the optics, and methods to account for changes in optical paths due to inclusion of the optical spacer window are disclosed. 1. A system comprising:one or more light sources that, emit a first light and a second light, the first light directed toward an exterior interface of the system and including a plurality of optical paths, and the second light incident on a reference;one or more first optics that collect at least a portion of a reflection of the first light and change an angle of the first light;one or more second optics configured to receive the first light from the one or more first optics and focus the first light to a detector array; andthe detector array including a plurality of detector pixels that detect at least a portion of the focused first light from the one or more second optics.2. The system of claim 1 , further comprising: a launch region configured to reflect or absorb one or more wavelengths different from wavelengths of light emitted from the one or more light sources,', 'a reference region that receives a reflection of the second light, and', 'a measurement region including the one or more first optics., 'a plurality of groups, each of the plurality of ...

APERTURELESS SPECTROMETER

A hard apertureless spectrometer includes a housing, a collimator configured to collimate light provided from a soft aperture of a target, a diffraction grating configured to spectroscopically analyze the collimated light, a condenser configured to condense the spectroscopically analyzed light, and a photodetector configured to receive the condensed light output from the condenser and detect a target characteristic. 1. A hard apertureless spectrometer comprising:a housing;a collimator configured to collimate light provided from a soft aperture of a target;a diffraction grating configured to spectroscopically analyze the collimated light;a condenser configured to condense the spectroscopically analyzed light; anda photodetector configured to receive the condensed light output from the condenser and detect a target characteristic.2. The hard apertureless spectrometer of claim 1 , wherein the soft aperture is formed by providing excitation light to the target.3. The hard apertureless spectrometer of claim 1 , further comprising a light source configured to provide excitation light to the target to form the soft aperture.4. The hard apertureless spectrometer of claim 3 , wherein the light source is located outside the hard apertureless spectrometer.5. The hard apertureless spectrometer of claim 1 , wherein the collimator claim 1 , the diffraction grating claim 1 , the condenser claim 1 , and the photodetector are housed in the housing.6. The hard apertureless spectrometer of claim 1 , wherein the collimator is located outside the housing.7. The hard apertureless spectrometer of claim 1 , further comprising a beam delivery device which is configured to provide light provided from the soft aperture of the target to the collimator and includes a plurality of lenses.8. The hard apertureless spectrometer of claim 1 , wherein:the light source is located inside the hard apertureless spectrometer;the hard apertureless spectrometer further includes a dichroic mirror; andthe ...

MULTIFOCAL SPECTROMETRIC MEASUREMENT DEVICE, AND OPTICAL SYSTEM FOR MULTIFOCAL SPECTROMETRIC MEASUREMENT DEVICE

A multifocal spectrometric device is capable of simultaneously performing a measurement of a plurality of sample with high sensitivity, with no restriction on the magnification. A multifocal spectrometric device is a device in which beams of signal light emitted from a plurality of predetermined observation areas on samples placed in a sample placement section are introduced into a spectrograph and thereby dispersed into spectra, the device including: a plurality of objective lenses (objective light-condensing sections) individually located at positions which respectively and optically face the plurality of observation areas; and spectrograph input sections provided in such a manner that each of the plurality of objective lenses has one corresponding spectrograph input section, for introducing signal light passing through the corresponding objective lenses into the spectrograph. Since each objective lens only needs to observe one observation area, both the magnification and the numerical aperture can be simultaneously increased. 2. (canceled)3. The multifocal spectrometric device according to claim 1 , comprising a light source for casting claim 1 , onto the sample or samples claim 1 , irradiation light which causes an emission of the signal light from the sample or samples by irradiating the sample or samples.4. The multifocal spectrometric device according to claim 3 , wherein the light source is placed at a position from which the irradiation light is cast through the objective light-condensing sections onto the sample or samples.5. The multifocal spectrometric device according to claim 4 , comprising a filter placed between the sample placement section and the spectrograph input sections claim 4 , for allowing light having a wavelength of the signal light to pass through while reflecting light having a wavelength of the irradiation light.6. The multifocal spectrometric device according to claim 5 , wherein the filter is arranged so that a plurality of beams of ...

Light Delivery and Collection Device for Measuring Raman Scattering of a Sample

This invention relates to a light delivery and collection device for measuring Raman scattering from a large area of a sample. The light delivery and collection device comprises a reflective cavity made of a material or having a surface coating with high reflectivity to the excitation light and the Raman scattered light. The reflective cavity has two apertures. The first aperture is configured to receive the excitation light which then projects onto the second aperture. The second aperture is configured to be applied close to the sample such that the reflective cavity substantially forms an enclosure covering a large area of the sample. The excitation light produces Raman scattered light from the covered area of the sample. The reflective cavity reflects any excitation light and Raman light scattered from the sample unless the excitation light and the Raman scattered light either emit from the first aperture to be measured with a spectrometer device, or are re-scattered by the sample at the second aperture. The multi-reflection of the reflective cavity greatly improves the excitation efficiency of Raman scattering from the sample and in the meantime enhances its collection efficiency. In addition, it also causes more excitation light to penetrate into a diffusely scattering sample and allows efficient collection of the Raman scattered light generated thereof, hence enabling sub-surface Raman scattering measurement. 1. A light delivery and collection device for measuring Raman scattering from an area of a sample , the light delivery and collection device comprising:a reflective cavity having a first aperture and a second aperture, the first aperture is configured to receive excitation light which projects onto the second aperture, the second aperture is configured to be applied to the sample such that the reflective cavity substantially forms an enclosure covering an area of the sample, wherein the covered area of the sample scatters the excitation light and ...

Light Delivery and Collection Device for Performing Spectroscopic Analysis of a Subject

This invention relates to a light delivery and collection device for performing spectroscopic analysis of a subject. The light delivery and collection device comprises a reflective cavity with two apertures. The first aperture is configured to receive excitation light which then diverges and projects onto the second aperture. The second aperture is configured to be applied close to the subject such that the reflective cavity substantially forms an enclosure covering a large area of the subject. The excitation light enters and interacts with the covered area of the subject to produce inelastic scattering and/or fluorescence emission from the subject. The reflective cavity has a specular reflective surface with high reflectivity to the excitation light as well as to the inelastic scattering and/or fluorescence emission from the subject. The reflective cavity reflects the excitation light that is reflected and/or back-scattered from the subject and redirects it towards the subject. This causes more excitation light to penetrate into a diffusely scattering subject to produce inelastic scattering and/or fluorescence emission from inside of the subject hence enabling sub-surface measurement. In addition, the reflective cavity reflects the inelastic scattering and/or fluorescence emission from the subject unless the inelastic scattering and/or fluorescence emission either emits from the first aperture of the reflective cavity to be measured with a spectrometer device, or re-enters the subject at the second aperture. This multi-reflection process improves the collection efficiency of the inelastic scattering or fluorescence emission from the subject. 1. An apparatus for performing spectroscopic analysis of a subject , the apparatus comprising:a light source for producing excitation light at a first wavelength;a reflective cavity with a specular reflective surface, the reflective cavity having a first aperture and a second aperture, the first aperture is configured to ...

SPECTROMETER AND IMAGING DEVICE

A spectrometer that includes: a first diffraction grating configured to spectroscopically process provided light; a first detection unit configured to condense light spectroscopically processed by the first diffraction grating and to output an electrical signal corresponding to condensed light; a second diffraction grating configured to spectroscopically process 0order light provided by the first diffraction grating; and a second detection unit configured to condense light spectroscopically processed by the second diffraction grating and to output an electrical signal corresponding to condensed light. 1. A spectrometer comprising:a first diffraction grating configured to spectroscopically process provided light;a first detection unit configured to condense light spectroscopically processed by the first diffraction grating and to output an electrical signal corresponding to condensed light;{'sup': 'th', 'a second diffraction grating configured to spectroscopically process 0order light provided by the first diffraction grating; and'}a second detection unit configured to condense light spectroscopically processed by the second diffraction grating and to output an electrical signal corresponding to condensed light.2. The spectrometer of claim 1 , wherein the first detection unit comprises:a first condenser configured to condense light spectroscopically processed by the first diffraction grating; anda first detector configured to detect light condensed and provided by the first condenser and to output an electrical signal corresponding to detected light, andthe second detection unit comprises:a second condenser configured to condense the light spectroscopically processed by the second diffraction grating; anda second detector configured to detect light condensed and provided by the second condenser and to output an electrical signal corresponding to detected light.3. The spectrometer of claim 2 , wherein the first detector and the second detector are different from each ...

COMPACT RAMAN SENSOR AND APPARATUS FOR ESTIMATING BIO-COMPONENT

A Raman sensor includes a light source assembly having a plurality of light sources configured to emit light to a plurality of skin points of skin, each of the plurality of skin points having a predetermined separation distance from a light collection region of the skin from which Raman scattered light is collected; a light collector configured to collect the Raman scattered light from the light collection region of the skin; and a detector configured to detect the collected Raman scattered light. 1. A Raman sensor comprising:a light source assembly having a plurality of light sources configured to emit light to a plurality of skin points of skin, each of the plurality of skin points having a predetermined separation distance from a light collection region of the skin from which Raman scattered light is collected;a light collector configured to collect the Raman scattered light from the light collection region of the skin; anda detector configured to detect the collected Raman scattered light.2. The Raman sensor of claim 1 , wherein the light source assembly is configured to adjust a light intensity of each of the plurality of light sources to emit light within a maximum permissible exposure limit.3. The Raman sensor of claim 1 , wherein the predetermined separation distance has a value greater than a sampling volume of the skin.4. The Raman sensor of claim 3 , wherein a center of the sampling volume is located at a center of the light collector.5. The Raman sensor of claim 1 , wherein the predetermined separation distance indicates a distance between a center of the light collection region of the skin claim 1 , from which the Raman scattered light is collected claim 1 , and a skin point on which the light is incident.6. The Raman sensor of claim 1 , wherein the plurality of light sources are arranged on an outer periphery of the light collector in at least one of a linear shape claim 1 , a circular shape claim 1 , and a polygonal shape.7. The Raman sensor of claim ...

Spectrometry systems, methods, and applications

A hand held spectrometer is used to illuminate the object and measure the one or more spectra. The spectral data of the object can be used to determine one or more attributes of the object. In many embodiments, the spectrometer is coupled to a database of spectral information that can be used to determine the attributes of the object. The spectrometer system may comprise a hand held communication device coupled to a spectrometer, in which the user can input and receive data related to the measured object with the hand held communication device. The embodiments disclosed herein allow many users to share object data with many people, in order to provide many people with actionable intelligence in response to spectral data.

LIGHT COLLECTION ARRANGEMENT FOR OPTICAL EMISSION SPECTROSCOPY

In accordance with an example embodiment of the invention, a detector assembly for an analyzer device for analysis of elemental composition of a sample using optical emission spectroscopy is provided. The detector assembly comprises an exciter for generating an excitation focused at a target position to invoke an optical emission from a surface of the sample at the target position; and a light collection arrangement for transferring the optical emission to a spectrometer. The light collection arrangement comprises a concave spherical mirror, an optical receiver arranged in an image point in the principal axis of the concave spherical mirror and a folding mirror including at least one aperture. The exciter is arranged with respect to the light collection arrangement such that the excitation is transferred towards the target position through said at least one aperture, and the folding mirror is arranged between the concave spherical mirror and the optical receiver such that the folding mirror folds the principal axis of the concave spherical mirror towards the target position and such that said at least one aperture is aligned with the principal axis of the concave spherical mirror to allow transferring optical emission reflected from the concave spherical mirror therethrough towards the optical receiver. 1. A detector assembly for an analyzer device for analysis of elemental composition of a sample using optical emission spectroscopy , the detector assembly comprisingan exciter for generating an excitation focused at a target position to invoke an optical emission from a surface of the sample at the target position; anda light collection arrangement for transferring the optical emission to a spectrometer, the light collection arrangement comprising a concave spherical mirror, an optical receiver arranged in an image point in the principal axis of the concave spherical mirror and a folding mirror including at least one aperture,wherein the exciter is arranged with ...

SPECTROMETER DEVICE AND SYSTEM

Described herein are a spectrometer system and a spectrometer device, which are suited for investigation or monitoring purposes, in particular, in the infrared (IR) spectral region, and for a detection of heat, flames, fire, or smoke. 1112. A spectrometer device () , comprising:{'b': 122', '114', '116', '114', '118', '122', '122', '124', '124', '126', '124', '128', '128, 'an optical element () designed for receiving incident light () from an object () and transferring the incident light () to a length variable filter (), wherein the optical element (), wherein the optical element () comprises an optical concentrator device (), wherein the optical concentrator device () is operated in a reverse direction (), wherein the optical concentrator device () has a single sidewall () which is adapted for reflecting incident light, wherein the single sidewall () is designed as a rounded sidewall;'}{'b': 118', '114, 'the length variable filter () which is designated for separating the incident light () into a spectrum of constituent wavelength signals; and'}{'b': 120', '144', '144, 'a detector array () comprising a plurality of pixelated sensors (), wherein each of the pixelated sensors () is adapted to receive at least a portion of one of the constituent wavelength signals, wherein each of the constituent wavelength signals is related to an intensity of each constituent wavelength.'}2112124126180130184134132130132. The device () according to claim 1 , wherein the optical concentrator device () operated in the reverse direction () comprises an entrance pupil () at an input () and an exit pupil () at an exit () claim 1 , wherein an optically guiding structure () is located between the input () and the output ().3112180184. The device () according to claim 2 , wherein the entrance pupil () comprises an input angle of less than 90° claim 2 , and wherein the exit pupil () comprises an output angle of not more than 30°.4112128176178180182184132. The device () according to claim 2 , ...

Methods and devices for providing information useful in the diagnosis of abnormalities of the gastrointestinal tract

Disclosed are methods useful for providing information useful in the diagnosis of gastrointestinal abnormalities as well as ingestible devices useful for providing information useful in the diagnosis of gastrointestinal abnormalities.

OPTICAL SPECTRUM ANALYZER

An optical spectrum analyzer is provided that can separate measurement target light into orthogonal polarization components and perform measurement and enable optical spectrum measurement that does not depend on polarization of the measurement target light. Measurement target light is separated into two orthogonal polarization components, the two polarization components whose position is shifted in an engraved line direction of a diffraction grating are incident on the diffraction grating, diffracted light of the two polarization components emitted from the diffraction grating is condensed, and the condensed diffracted light is incident on an incident side end surface of a 2-core ferrule with the two polarization components adjacent to each other. 1. An optical spectrum analyzer having a light incident portion that is inputted measurement target light , a collimator that converts the measurement target light incident on the light incident portion into parallel light , a diffraction grating that diffracts the parallel light , and a condenser that condenses diffracted light from the diffraction grating , the optical spectrum analyzer comprising:a polarization separation portion that separates the parallel light emitted from the collimator into light of two polarization components and outputs the light to the diffraction grating;a fixed slit that is disposed at a position at which diffracted light of each polarization component is condensed by the condenser;a 2-core ferrule that separately takes in the diffracted light of each polarization component that has passed through the fixed slit;two light receiving portions that each photoelectrically convert the diffracted light of each polarization component taken into the 2-core ferrule; anda signal processing portion that processes an electric signal output by each of the two light receiving portions to obtain an optical spectrum, whereineach polarization plane of the two polarization components separated by the ...

Sample Analysis Methods

The invention generally relates to methods for analyzing a heterogeneous sample. In certain aspects, the invention provides methods that involve illuminating a heterogeneous sample including a target analyte with polychromatic light, receiving luminous data of the heterogeneous sample and the target analyte is received to a detector without splitting the polychromatic light into individual wavelengths and generating spectral data therefrom. The analysis can be conducted without reacting the target analyte with chemical reagents. 1. A method for analyzing a heterogeneous sample , the method comprising:illuminating a heterogeneous sample comprising at least one target analyte with polychromatic light; andreceiving a luminous signal of the heterogeneous sample and the at least one target analyte to a detector without splitting the polychromatic light into individual wavelengths and generating spectral data therefrom, thereby analyzing the heterogeneous sample,wherein the method is conducted without reacting the at least one target analyte with a chemical reagent.2. The method of claim 1 , wherein the sample is at least one selected from the group consisting of a biological sample claim 1 , an environmental sample claim 1 , a food product sample claim 1 , and a beverage product sample.3. The method of claim 2 , wherein the biological sample is a human tissue or body fluid sample4. The method of claim 3 , wherein the body fluid sample is a blood sample.5. The method of claim 2 , wherein the body fluid sample is a urine sample.6. The method of claim 1 , further comprising analyzing the spectral data to obtain a concentration of the at least one target analyte.7. The method of claim 6 , wherein analyzing comprises comparing the spectral data to reference spectral data in which relative absorption of at least one reference analyte and concentration of the at least one reference analyte are known.8. The method of claim 1 , wherein the sample is a human tissue or body fluid ...

METHOD AND APPARATUS FOR COLOUR IMAGING A THREE-DIMENSIONAL STRUCTURE

A device for determining the surface topology and associated color of a structure, such as a teeth segment, includes a scanner for providing depth data for points along a two-dimensional array substantially orthogonal to the depth direction, and an image acquisition means for providing color data for each of the points of the array, while the spatial disposition of the device with respect to the structure is maintained substantially unchanged. A processor combines the color data and depth data for each point in the array, thereby providing a three-dimensional color virtual model of the surface of the structure. A corresponding method for determining the surface topology and associate color of a structure is also provided. 1. A system for determining surface topology and associated color of an intraoral structure , the system comprising:a handheld imaging device comprising a probe, focusing optics configured to scan a focal plane of the handheld imaging device over a range of depths, an illuminator, and an image sensor configured to capture depth image data over the range of depths and color image data of the intraoral structure, wherein a time interval between capture of the depth image data and the color image data is within an interval between about 0 to about 20 milliseconds; and generate depth data of the intraoral structure portion using the depth image data from the handheld imaging device corresponding to a first spatial disposition relative to the intraoral structure,', 'generate color data of the intraoral structure using the color image data from the handheld imaging device corresponding to a second spatial disposition relative to the intraoral structure, and', 'provide a color three-dimensional numerical entity based on the depth data and the color data., 'one or more processors operably coupled to the hand-held imaging device, the one or more processors configured to cause the system to2. The system of claim 1 , wherein the second spatial disposition ...

Light measuring probes, light measuring systems, and related methods

A system for measuring light in a tube is provided. The system includes a tube, a light collecting probe configured to absorb light within the tube, a data acquisition system for determining a level of light associated with light absorbed by the light collecting probe, and a motion system for moving the light collecting probe within the tube.

Spectrometry systems, methods, and applications

A hand held spectrometer is used to illuminate the object and measure the one or more spectra. The spectral data of the object can be used to determine one or more attributes of the object. In many embodiments, the spectrometer is coupled to a database of spectral information that can be used to determine the attributes of the object. The spectrometer system may comprise a hand held communication device coupled to a spectrometer, in which the user can input and receive data related to the measured object with the hand held communication device. The embodiments disclosed herein allow many users to share object data with many people, in order to provide many people with actionable intelligence in response to spectral data.

MULTISPECTRAL COLOR IMAGING DEVICE BASED ON INTEGRATING SPHERE LIGHTING AND CALIBRATION METHODS THEREOF

The present invention provides a multispectral color imaging device, an automatic calibration method based on a reference reflective surface, and a method for eliminating background signals. A multispectral color imaging device including a light house module comprising a light source and a light intensity collection device surrounding the light source; an integrating sphere module including an integrating sphere, a light inlet on one side of the integrating sphere, a light outlet on the top of the integrating sphere, a sample holder gateway on the other side of the integrating sphere and a sample holder having access to the interior of the integrating sphere; and a filter wheel module including a camera, a filter wheel below the camera, and a lens below the filter wheel. The device and calibration methods of the present invention together improve the accuracy and stability of the measurement. 1. A multispectral color imaging device , comprising:a light house module, said light house module comprising a light source and a light intensity collection device surrounding the light source, wherein said light intensity collection device collects light radiated from the light source via reflection and emits the collected light through an opening of the light intensity collection device;an integrating sphere module, said integrating sphere module comprising an integrating sphere, a light inlet at a first side of the integrating sphere, a sample holder gateway at a second side of the integrating sphere, a light outlet at the top of the integrating sphere, and a sample holder having access to an internal space of the integrating sphere, wherein said first and second sides are opposite to each other, said light inlet couples to the opening of the light intensity collection device, and said sample holder accesses the internal space of the integrating sphere through said sample holder gateway and is positioned in alignment with the light outlet during imaging; anda filter wheel ...

OPTICAL DEVICE

An optical device includes: a diffraction grating; a depolarization plate containing a birefringent material to eliminate polarization dependency of the diffraction grating; and an optical corrector configured to optically correct diffraction angle deviation of diffracted light due to diffraction at the diffraction grating. The optical corrector may be configured to bend back the diffracted light diffracted by the diffraction grating to re-emit the light to the diffraction grating. 1. An optical device comprising:a diffraction grating;a depolarization plate containing a birefringent material to eliminate polarization dependency of the diffraction grating; andan optical corrector configured to optically correct diffraction angle deviation of diffracted light due to diffraction at the diffraction grating.2. The optical device according to claim 1 , whereinthe optical corrector is configured to bend back the diffracted light diffracted by the diffraction grating to re-emit the light to the diffraction grating.3. The optical device according to claim 1 , whereinthe optical corrector is configured to invert a positional relationship of the diffracted light in a diffusion direction without changing a positional relationship of the diffracted light in a non-diffusion direction.4. The optical device according to claim 2 , whereinthe optical corrector is configured to invert a positional relationship of the diffracted light in a diffusion direction without changing a positional relationship of the diffracted light in a non-diffusion direction.5. The optical device according to claim 1 , whereinthe optical corrector includesa first lens configured to condense the diffracted light diffracted by the diffraction grating,a second lens configured to convert the light diffusing after condensed by the first lens into parallel light,a first mirror configured to reflect the light emitted from the second lens such that an optical path thereof is bent at a right angle,a second mirror ...

COMPACT SPECTROMETER MODULES

Compact spectrometer modules include an illumination channel and a detection channel. The illumination channel includes an illumination source operable to generate a broad spectrum of electromagnetic radiation. The detection channel includes an illumination detector and a Fabry-Perot component. The Fabry-Perot component is operable to pass a narrow spectrum of wavelengths to the illumination detector. Further, the Fabry-Perot component can be actuatable such that the Fabry- Perot component is operable to pass a plurality of narrow spectrums of wavelengths to the illumination detector. 1. A spectrometer module comprising:an illumination channel with a field-of-illumination, the illumination channel being positioned at least partially within a housing; anda detection channel with a field-of-view and a detection axis, the detection channel being positioned at least partially within the housing and adjacent to the illumination channel;the illumination channel including an illumination source mounted within an illumination cavity in the housing and an illumination optical assembly aligned with the illumination source, the illumination source being operable to generate an emission;the detection channel including an illumination detector mounted within a detection cavity in the housing and being operable to detect at least a portion of the emission;the detection channel further including a detection optical assembly aligned with the illumination detector, and a Fabry-Perot component mounted between the detection optical assembly and the illumination detector and aligned with the detection optical assembly and the illumination detector; andthe illumination channel being operable to direct a portion of the emission to an object and the detection channel being operable to collect a portion of the emission reflected from the object.2. The spectrometer module of further comprising an aperture mounted within the detection channel claim 1 , the aperture being operable to permit ...

Methods and Devices for Standoff Differential Raman Spectroscopy with Increased Eye Safety and Decreased Risk of Explosion

A compact, portable Raman spectrometer makes fast, sensitive standoff measurements at little to no risk of eye injury or igniting the materials being probed. This spectrometer uses differential Raman spectroscopy and ambient light measurements to measure point-and-shoot Raman signatures of dark or highly fluorescent materials at distances of 1 cm to 10 m or more. It scans the Raman pump beam(s) across the sample to reduce the risk of unduly heating or igniting the sample. Beam scanning also transforms the spectrometer into an instrument with a lower effective safety classification, reducing the risk of eye injury. The spectrometer's long standoff range automatic focusing make it easier to identify chemicals through clear and translucent obstacles, such as flow tubes, windows, and containers. And the spectrometer's components are light and small enough to be packaged in a handheld housing or housing suitable for a small robot to carry. 1. A method of Raman spectroscopy of a sample , the method comprising:measuring a range of between about 2 centimeters and 400 centimeters from a Raman spectroscopy system to the sample;automatically focusing a Raman pump beam emitted by the Raman spectroscopy system based on the range from the Raman spectroscopy system to the sample;detecting a Raman signal from the sample in response to the Raman pump beam; andestimating a Raman signature of the sample based on the Raman signal.2. The method of claim 1 , wherein measuring the range from the Raman spectroscopy system to the sample comprises:illuminating the sample with a beam propagating along an optical axis of a telescope of the Raman spectroscopy system to form a spot on the sample;detecting the position of spot with a camera that is in optical communication with the spot and that is not located on the optical axis of the telescope;calculating the range based on the position of the image of the spot formed on the camera.3. The method of claim 1 , wherein measuring the range from ...

METHOD AND APPARATUS FOR COLOUR IMAGING A THREE-DIMENSIONAL STRUCTURE

A device for determining the surface topology and associated color of a structure, such as a teeth segment, includes a scanner for providing depth data for points along a two-dimensional array substantially orthogonal to the depth direction, and an image acquisition means for providing color data for each of the points of the array, while the spatial disposition of the device with respect to the structure is maintained substantially unchanged. A processor combines the color data and depth data for each point in the array, thereby providing a three-dimensional color virtual model of the surface of the structure. A corresponding method for determining the surface topology and associate color of a structure is also provided. 1. A method for determining surface topology and associated color of an intraoral structure , the method comprising:illuminating the intraoral structure using white light passing through focusing optics;capturing depth image data and color image data of the intraoral structure from the white light illuminating the intraoral structure using an image sensor of an imaging device, wherein the capturing includes scanning a focal plane of the imaging device over a range of depths and wherein returned lights beams returning from the intraoral structure pass through the focusing optics;generating, using the imaging device and the depth image data, depth data of the intraoral structure;generating, using the imaging device and the color image data, color data of the intraoral structure; andproviding, using one or more processors, a color three-dimensional numerical entity based on the depth data and the color data.2. The method of claim 1 , further comprising determining claim 1 , using one or more processors claim 1 , a spatial transformation between the depth data and the color data claim 1 , wherein determining the spatial transformation comprises performing an alignment procedure.3. The method of claim 2 , wherein performing the alignment procedure ...

Color measuring apparatus and image forming apparatus

The spectral color measuring apparatus includes a light source, an optical emitting element configured to regulate a position of the light source in an emission direction of a light flux, and to guide the light flux emitted from the light source onto a color-patch image formed on a surface of a sheet (P), and an urging member configured to urge the light source toward the optical emitting element in the emission direction of the light flux. With this, relative positional accuracy between the light source and the optical emitting member is enhanced, thereby being capable of accurately measuring a color of an image in a short color measuring takt (time period).

Transmission-Reflectance Swappable Raman Probe for Physiological Detections

A transmission-reflectance swappable Raman device and a method thereof are disclosed. The excitation light is selectively directed to the sample in one direction for generating the transmission Raman signal in transmission mode or in another direction for generating the reflectance Raman signal in reflectance mode. The content of an analyte in a sample can be determined by analyzing transmission and reflectance Raman signal.

RESIN IDENTIFICATION DEVICE

A resin identification device capable of measuring samples having various shapes is provided. The resin identification device includes a Fourier transform infrared spectrophotometer (FTIR), and sample placing plates and having an opening The FTIR includes: an infrared light source section irradiating a sample S with infrared light; an infrared light detection section detecting light intensity information of the infrared light reflected from the sample S; and a control section obtaining the light intensity information. By replacement of the sample S in a predetermined position so as to block off the opening the infrared light source section irradiates infrared light on a lower surface of the sample S, and the infrared light detection section detects the light intensity information of the infrared light reflected by the lower surface of the sample S. 1. A resin identification device comprising:an infrared spectrophotometer comprising: an infrared light source section, irradiating infrared light to a sample being a resin; an infrared light detection section, detecting light intensity information of the infrared light reflected from the sample; and a control section, obtaining the light intensity information; anda sample placing plate provided with an opening, whereinby replacement of the sample in a predetermined position so as to block off the opening, the infrared light source section irradiates the infrared light to a lower surface of the sample, and the infrared light detection section detects the light intensity information of the infrared light reflected by the lower surface of the sample.2. The resin identification device according to claim 1 , wherein the infrared light source section has a condensing mirror claim 1 , and irradiates the infrared light from the condensing mirror to a measurement point on the lower surface of the sample; andthe infrared light detection section has a condensing mirror, and collects the infrared light reflected by the measurement ...

SPECTROMETRY SYSTEMS, METHODS, AND APPLICATIONS

A hand held spectrometer is used to illuminate the object and measure the one or more spectra. The spectral data of the object can be used to determine one or more attributes of the object. In many embodiments, the spectrometer is coupled to a database of spectral information that can be used to determine the attributes of the object. The spectrometer system may comprise a hand held communication device coupled to a spectrometer, in which the user can input and receive data related to the measured object with the hand held communication device. The embodiments disclosed herein allow many users to share object data with many people, in order to provide many people with actionable intelligence in response to spectral data. 1. A compact spectrometer comprising:a diffuser layer;a filter matrix layer;an iris layer;a lens layer; anda detector,wherein a distance from the diffuser layer to a light receiving surface of the detector is within a range from about 0.5 mm to about 3 mm.2. The spectrometer of claim 1 , wherein the spectrometer comprises a resolution within a range from about 1 nm to about 100 nm.3. The spectrometer of claim 2 , wherein the spectrometer comprises a resolution within a range from about 5 nm to about 50 nm.4. The spectrometer of claim 1 , further comprising a support beneath the detector claim 1 , wherein a distance from an upper surface of the diffuser layer to a lower surface of the support is within a range from about 0.5 mm to about 3 mm.5. The spectrometer of claim 4 , wherein a plurality of bonding pads is coupled to the lower surface of the support to couple the image sensor to a circuit board.6. The spectrometer of claim 1 , further comprising a stopper layer disposed between the detector and the lens layer.7. The spectrometer of claim 1 , wherein each of the elements is arranged in the following sequence: the diffuser layer claim 1 , the filter matrix layer claim 1 , the iris layer claim 1 , the lens layer claim 1 , and the detector.8. The ...

Spectroscopic characterization of seafood

A method and apparatus for field spectroscopic characterization of seafood is disclosed. A portable NIR spectrometer is connected to an analyzer configured for performing a multivariate analysis of reflection spectra to determine qualitatively the true identities or quantitatively the freshness of seafood samples.

Electronic Device With Color Sensing Ambient Light Sensor

An electronic device may be provided with a display mounted in a housing. A color sensing ambient light sensor may measure the color of ambient light. The color sensing ambient light sensor may be mounted in alignment with an ambient light sensor window formed in an inactive area of the display. The color sensing ambient light sensor may be formed from detectors on a semiconductor substrate. The detectors may include detectors that have spectral sensitivity profiles matching those of color matching functions. The color sensing ambient light sensor may include an infrared light detector. Light redirecting structures such as a diffuser, prism film, negative lens film, or privacy film may be used in directing light into the ambient light sensor. The color sensing ambient light sensor may be calibrated by exposing the sensor to light sources of different types.

METHOD AND APPARATUS FOR COLOUR IMAGING A THREE-DIMENSIONAL STRUCTURE

A device for determining the surface topology and associated color of a structure, such as a teeth segment, includes a scanner for providing depth data for points along a two-dimensional array substantially orthogonal to the depth direction, and an image acquisition means for providing color data for each of the points of the array, while the spatial disposition of the device with respect to the structure is maintained substantially unchanged. A processor combines the color data and depth data for each point in the array, thereby providing a three-dimensional color virtual model of the surface of the structure. A corresponding method for determining the surface topology and associate color of a structure is also provided. 1. A system for determining the surface topology and associated color of at least a portion of a three dimensional structure , comprising: a scanning system configured to provide depth data of said portion, the depth data corresponding to a plurality of data points defined on a plane substantially orthogonal to a depth direction; and', 'an imaging system configured to provide two-dimensional color image data of said portion associated with said plurality of data points; and, 'a hand-held device comprisinga processor operably coupled to the hand-held device and configured to associate the depth data with the color image data.2. A system according to claim 1 , wherein the imaging system is configured to provide the color image data independently from the depth data.3. A system according to claim 1 , wherein the plurality of data points is associated with a two-dimensional reference array.4. A system according to claim 1 , wherein the operation of the scanning system is based on confocal imaging techniques.5. A system according to claim 1 , wherein the depth data and the color image data are associated by aligning the plurality of data points and the color image data in the same frame of reference.6. A system according to claim 1 , wherein the ...

Ambient Light Sensor Window Coatings for Electronic Devices

An electronic device may have a display with a cover layer. An ambient light sensor may be aligned with an ambient light sensor window formed from an opening in a masking layer on the cover layer in an inactive portion of the display. To help mask the ambient light sensor window from view, the ambient light sensor window may be provided with a black coating that matches the appearance of surrounding masking layer material while allowing light to reach the ambient light sensor. The black coating may be formed from a black physical vapor deposition thin-film inorganic layer with a high index of refraction. An antireflection layer formed from a stack of dielectric layers may be interposed between the black thin-film inorganic layer and the display cover layer. 1. An electronic device having an interior and an exterior , the electronic device comprising:a display;a transparent structure that has a first surface that faces the interior and an opposing second surface; anda coating on the first surface of the transparent structure, wherein the coating has a physical vapor deposition thin-film coating and a stack of dielectric layers interposed between the physical vapor deposition thin-film coating and the transparent structure.2. The electronic device defined in wherein the transparent structure comprises a display cover layer for the display.3. The electronic device defined in wherein the display has an active area and an inactive area and wherein the coating overlaps the inactive area.4. The electronic device defined in wherein the physical vapor deposition thin-film coating comprises a metal nitride.5. The electronic device defined in wherein the physical vapor deposition thin-film coating comprises aluminum titanium nitride.6. The electronic device defined in wherein the transparent structure comprises a material selected from the group consisting of: glass claim 1 , plastic claim 1 , ceramic claim 1 , and sapphire.7. The electronic device defined in further ...

METHOD AND APPARATUS FOR COLOUR IMAGING A THREE-DIMENSIONAL STRUCTURE

A device for determining the surface topology and associated color of a structure, such as a teeth segment, includes a scanner for providing depth data for points along a two-dimensional array substantially orthogonal to the depth direction, and an image acquisition means for providing color data for each of the points of the array, while the spatial disposition of the device with respect to the structure is maintained substantially unchanged. A processor combines the color data and depth data for each point in the array, thereby providing a three-dimensional color virtual model of the surface of the structure. A corresponding method for determining the surface topology and associate color of a structure is also provided. 1. A system for generating a 3D model of an intraoral structure portion , the system comprising:a hand-held imaging device comprising a probe, focusing optics configured to scan a focal plane of the hand-held imaging device over a range of depths, an illuminator, and an image sensor configured to capture image data over the range of depths of the intraoral structure, wherein the image data includes first image data captured in response to illuminating the intraoral structure portion with light of a first wavelength and second image data captured in response to illuminating the intraoral structure portion with light of a second wavelength; and generate depth data of the intraoral structure portion using the first image data from the hand-held imaging device; and', 'map the second image data to the depth data., 'one or more processors operably coupled to the hand-held imaging device, the one or more processors configured to cause the system to2. The system of claim 1 , wherein the depth data comprises a 3D surface model of the intraoral portion.3. The system of claim 1 , wherein the illuminator emits light of the first wavelength and first image data comprises light of the first wavelength returning from the intraoral structure.4. The system of claim ...

METHOD AND APPARATUS FOR COLOUR IMAGING A THREE-DIMENSIONAL STRUCTURE

A device for determining the surface topology and associated color of a structure, such as a teeth segment, includes a scanner for providing depth data for points along a two-dimensional array substantially orthogonal to the depth direction, and an image acquisition means for providing color data for each of the points of the array, while the spatial disposition of the device with respect to the structure is maintained substantially unchanged. A processor combines the color data and depth data for each point in the array, thereby providing a three-dimensional color virtual model of the surface of the structure. A corresponding method for determining the surface topology and associate color of a structure is also provided. 1. A system for generating a 3D model of an intraoral structure portion , the system comprising:a hand-held imaging device comprising a probe, focusing optics configured to scan a focal plane of the hand-held imaging device over a range of depths, an illuminator, and an image sensor configured to capture image data over the range of depths of the intraoral structure portion, wherein light from the illuminator passes through the focusing optics to the intraoral structure portion and light from the intraoral structure portion passes through the focusing optics to the image sensor and wherein the image data includes first image data captured in response to illuminating the intraoral structure portion with light from the illuminator; and generate depth data of the intraoral structure portion using the first image data from the hand-held imaging device;', 'generate color data of the intraoral structure portion using the first image data from the hand-held imaging device; and', 'provide, using one or more processors, a three-dimensional numerical entity based on the depth data and the color data., 'one or more processors operably coupled to the hand-held imaging device, the one or more processors configured to cause the system to2. The system of claim 1 ...

LIGHT CONDENSING UNIT, LIGHT CONDENSATION METHOD, AND OPTICAL DETECTION SYSTEM

Provided is a light condensing unit including a reflection member having a hollow dome shape a side wall of which is curved to be extended from a top portion toward a bottom portion, the reflection member having a mirror-finished inner surface, and a plurality of light irradiation members arranged around an outer wall of the reflection member and configured to irradiate an irradiation region of the top portion with light through a first opening portion formed in the outer wall. The reflection member includes a second opening portion formed in the irradiation region of the top portion, and a third opening portion formed in the bottom portion to face a light receiving lens of a light receiving unit, the light receiving unit being configured to perform a predetermined process on received light. 1. A light condensing unit comprising:a reflection member having a hollow dome shape a side wall of which is curved to be extended from a top portion toward a bottom portion, the reflection member having a mirror-finished inner surface; anda plurality of light irradiation members arranged around an outer wall of the reflection member and configured to irradiate an irradiation region of the top portion with light through a first opening portion formed in the outer wall, a second opening portion formed in the irradiation region of the top portion, and', 'a third opening portion formed in the bottom portion to face a light receiving lens of a light receiving unit, the light receiving unit being configured to perform a predetermined process on received light, and, 'wherein the reflection member includes'}wherein the reflection member guides light coming from the irradiation region and being reflected by the inner surface to the light receiving lens.2. The light condensing unit according to claim 1 ,wherein the reflection member has an inner shape formed in a manner that an angle of incidence of light coming from the irradiation region on the light receiving lens is less than or ...

HIGH-THROUGHPUT COMPACT STATIC-FOURIER-TRANSFORM SPECTROMETER

Systems and methods which provide a high-throughput point source light coupling structure implementing a condenser configured according to one or more condenser configuration rules are described. Embodiments of a high-throughput point source light coupling structure utilize a birefringent plate configuration in combination with a condenser and point source to provide a light coupler structure for a birefringent-static-Fourier transform interferometer implementation. According to some examples, the optical axis of a first and second birefringent plate of a birefringent plate configuration are not in the same plane. A condenser of a high-throughput point source light coupling structure of embodiments is provided in a defined (e.g., spaced, relational, etc.) relationship with respect to the point source and/or a camera lens used in capturing an interference pattern generated by the light coupling structure. High-throughput point source light coupling structures herein may be provided as external accessories for processor-based mobile devices having image capturing capabilities.

EXTENDED CAVITY LASER ABSORPTION SPECTROSCOPY

Technologies for detecting absorption of electromagnetic radiation traveling through a measurement volume of interest are described herein. In a general embodiment, a laser is used to emit electromagnetic radiation through the measurement volume where absorption is desirably detected. An optical collector receives a portion of the radiation and directs a first fraction of the portion back to a gain medium of the laser, where the radiation is amplified and emitted again, and directs a second fraction to an optical sensor that can detect absorption in the measurement volume based upon attenuation of energy of the radiation. As the radiation feeds back to the gain medium and is emitted again, energy at attenuated wavelengths is amplified less than at other wavelengths. Thus, attenuation of energy of the radiation due to absorption in the measurement volume is cumulative, and relatively small absorptions are amplified, allowing smaller absorptions to be detected more easily. 1. A system comprising:a laser comprising a gain medium, the gain medium emitting electromagnetic radiation into a measurement volume responsive to stimulation by a pumping source, the measurement volume being external to the laser; andan optical collector positioned to receive at least a portion of electromagnetic radiation emitted by the laser, the optical collector configured to divert a first fraction of the received portion of the electromagnetic radiation to the gain medium, the optical collector further configured to divert a second fraction of the received portion of the electromagnetic radiation to an optical sensor, whereupon the optical sensor outputs an indication of a characteristic of the measurement volume.2. The system of claim 1 , the optical collector comprising a telescope.3. The system of claim 2 , the optical collector further comprising a partially reflective mirror claim 2 , wherein the telescope receives the portion of the electromagnetic radiation claim 2 , the mirror ...

Raman probe and bio-component analyzing apparatus using the same

Provided are a Raman probe and a bio-component analyzing apparatus using the same. The Raman probe according to an embodiment of the present disclosure may include: a probe head having a concave part configured to receive skin of an object being inserted into the concave part when the probe head comes into contact with the skin of the object; a light source part configured to emit light onto the skin inserted into the concave part; and a light collector formed above the concave part and configured to collect Raman scattered light from the skin inserted into the concave part. The light source part may be disposed on a side of at least one of the light collector and the concave part.

SPECTROSCOPE AND MICROSPECTROSCOPIC SYSTEM

A spectroscope including: a spectral element that is configured to spectrally separate signal light; a first optical system that is configured to condense spectroscopic light spectrally separated by the spectral element; and an optical receiver that is configured to receive the spectroscopic light; wherein the optical receiver includes a plurality of regions different sensitivities with respect to a wavelength characteristics of the spectroscopic light. 1. A spectroscope comprising:a spectral element that is configured to spectrally separate signal light;a first optical system that is configured to condense spectroscopic light spectrally separated by the spectral element; andan optical receiver that is configured to receive the spectroscopic light;wherein the optical receiver includes a plurality of regions having different sensitivities with respect to a wavelength characteristics of the spectroscopic light.2. The spectroscope according to claim 1 , further comprising:a deflection member that has a plurality of deflection elements arranged in at least a direction of spectral separation by the spectral element and each of the plurality of deflection elements are being capable of deflecting the spectroscopic light in at least a predetermined direction; anda second optical system that is configured to receive the spectroscopic light deflected by the deflection member.3. The spectroscope according to claim 2 , whereinthe plurality of regions is arranged in the direction of spectral separation of the spectroscopic light; anddetection regions, each including the plurality of the regions, are arranged at the optical receiver in the predetermined direction in which the deflection member is capable to deflect the spectroscopic light.4. The spectroscope according to claim 2 , whereinthe plurality of regions is arranged in a direction orthogonal to the direction of spectral separation of the spectroscopic light; andeach of the plurality of regions include a plurality of ...

Spectrometry systems, methods, and applications

A hand held spectrometer is used to illuminate the object and measure the one or more spectra. The spectral data of the object can be used to determine one or more attributes of the object. In many embodiments, the spectrometer is coupled to a database of spectral information that can be used to determine the attributes of the object. The spectrometer system may comprise a hand held communication device coupled to a spectrometer, in which the user can input and receive data related to the measured object with the hand held communication device. The embodiments disclosed herein allow many users to share object data with many people, in order to provide many people with actionable intelligence in response to spectral data.

Method and apparatus for colour imaging a three-dimensional structure

A device for determining the surface topology and associated color of a structure, such as a teeth segment, includes a scanner for providing depth data for points along a two-dimensional array substantially orthogonal to the depth direction, and an image acquisition means for providing color data for each of the points of the array, while the spatial disposition of the device with respect to the structure is maintained substantially unchanged. A processor combines the color data and depth data for each point in the array, thereby providing a three-dimensional color virtual model of the surface of the structure. A corresponding method for determining the surface topology and associate color of a structure is also provided.

ACCESSORIES FOR HANDHELD SPECTROMETER

A protective sheath having a closed end and an open end is sized to receive a hand held spectrometer. The spectrometer can be placed in the sheath to calibrate the spectrometer and to measure samples. In a calibration orientation, an optical head of the spectrometer can be oriented toward the closed end of the sheath where a calibration material is located. In a measurement orientation, the optical head of the spectrometer can be oriented toward the open end of the sheath in order to measure a sample. To change the orientation, the spectrometer can be removed from the sheath container and placed in the sheath container with the calibration orientation or the measurement orientation. Accessory container covers can be provided and placed on the open end of the sheath with samples placed therein in order to provide improved measurements.

Optical head for receiving light and optical system using the same

An optical head for receiving an incident light is provided. The optical head comprises a reflective diffuser and a reflector disposed to face the reflective diffuser. The reflective diffuser is disposed in an optical path of the incident light and shields the reflector from the incident light. The reflective diffuser converts the incident light to scattered light having a Lambertian pattern. The reflector has an optical output section that transmits the scattered light and a reflective section that reflects the scattered light to the reflective diffuser and/or the other portions of the reflective sections. An optical system using the optical head is also provided.

AUTOMATED ANALYSIS DEVICE

An automatic analysis apparatus comprises: a light source generating light having a center wavelength equal to or shorter than 340 nm; a fluorescent substance excited by the light source light, and generates light together with transmitted light from the light source, having a wavelength of 340 nm to 800 nm; a condenser lens; at least one slit; a reaction cell holding a reaction solution where a specimen and reagent are mixed, and that the light source light and the light from the fluorescent substance enter; and a detector that detects light transmitted through the reaction cell. The light source, fluorescent substance, condenser lens, and slit are provided along a straight light corresponding to the optical axis. The width of the slit's opening is equal to or narrower than the width of a ray forming an image of the light source at the position of the slit. 1. An automatic analysis apparatus comprising: a light source that generates light having a center wavelength equal to or shorter than 340 nm; a fluorescent substance that is excited with the light of the light source to emit light , and that generates light having a wavelength of 340 nm to 800 nm , together with transmitted light from the light source; a condenser lens; at least one slit; a reaction cell , that holds a reaction solution in which a specimen and a reagent are mixed , and that the light from the light source and the light from the fluorescent substance enter; and a detector that detects light transmitted through the reaction cell ,wherein the light source, the fluorescent substance, the condenser lens, and the slit are provided along a straight line corresponding to an optical axis, andwherein the width of an opening of the slit is equal to or narrower than the width of a ray forming an image of the light source at the position of the slit.2. The automatic analysis apparatus according to claim 1 ,wherein the slit includes a first slit and a second slit, andwherein the first slit is provided ...

TERAHERTZ-WAVE GENERATING ELEMENT, TERAHERTZ-WAVE DETECTING ELEMENT, AND TERAHERTZ TIME-DOMAIN SPECTROSCOPY DEVICE

A terahertz-wave generating element includes a waveguide including an electro-optic crystal; an optical coupling member that extracts a terahertz wave, which is generated from the electro-optic crystal as a result of light propagating through the waveguide, to a space; and at least two electrodes that cause a first-order electro-optic effect in the electro-optic crystal by applying an electric field to the waveguide so as to change a propagation state of the light propagating through the waveguide. A crystal axis of the electro-optic crystal of the waveguide is set such that the terahertz wave generated by a second-order nonlinear optical process and the light propagating through the waveguide are phase-matched. 1. A terahertz-wave detecting unit for detecting a terahertz wave by making a light from a light source enter the terahertz-wave detecting unit , comprising:a terahertz-wave detecting element comprising:a waveguide including an electro-optic crystal; andan optical coupling member that guides a terahertz wave from a space to the waveguide through which a light propagates; anda detector that detects a beat signal based on the light and the terahertz wave.2. The terahertz-wave detecting unit according to claim 1 , wherein the detector detects the beat signal between the light which is not coupled with the terahertz wave and the light which is coupled with the terahertz wave.3. The terahertz-wave detecting unit according to claim 1 , wherein the terahertz-wave detecting element is of a Cerenkov phase-matching type.4. The terahertz-wave detecting unit according to claim 1 , wherein the light is a pulsed light.5. A terahertz time-domain spectroscopy device comprising:a generator that generates a terahertz wave; anda detector that detects the terahertz wave,{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'wherein the detector comprises the terahertz wave detecting unit according to .'} This application is a Continuation of co-pending U.S. patent application Ser. ...

JACKPOT METHOD AND SYSTEM

An electronic device or entertainment gaming machine comprising: at least one betting terminal having a software program or plurality of software programs that allow at least a second player to place a bet on a jackpot if a first player declines the right to place a bet on the jackpot, wherein the second player is at a betting terminal that is apart from the conventional casino table game and the first player is playing at a conventional casino table game and is granted a right of first refusal to place a bet on jackpot by virtue of the first player's bet on the conventional casino table game, wherein the outcome of the jackpot is determined according to a combination of cards or dice in the conventional casino table game. 1. A player terminal comprising:an input device,a display device,a processor; and enable a player to place a wager on a play of a live table game played at a gaming table,', 'prior to a random determination occurring at the gaming table, cause the display device to display an available interaction associated with the play of the live table game,', 'enable the player to participate, via the input device, in the available interaction associated with the play of the live table game, and', determine an outcome of the available interaction associated with the play of the live table game, said determination being based on the random determination occurring at the gaming table, and', 'cause the display device to display the determined outcome of the available interaction associated with the play of the live table game., 'responsive to the player participating in the available interaction associated with the play of the live table game], 'a memory device which stores a plurality of instructions, which when executed by the processor, cause the processor to2. The player terminal of claim 1 , wherein the available interaction associated with the play of the live table game comprises a placement of a wager on a jackpot.3. The player terminal of claim 2 , ...

OPTICAL FILTER AND SPECTROMETER

An optical assembly is disclosed including two laterally variable bandpass optical filters stacked at a fixed distance from each other, so that the upstream filter functions as a spatial filter for the downstream filter. The lateral displacement may cause a suppression of the oblique beam when transmission passbands at impinging locations of the oblique beam onto the upstream and downstream filters do not overlap. A photodetector array may be disposed downstream of the downstream filter. The optical assembly may be coupled via a variety of optical conduits or optical fibers for spectroscopic measurements of a flowing sample. 132-. (canceled)33. An assembly comprising:a filter comprising a two-dimensional array of optical filter segments; anda circular polarizer, disposed in an optical path associated with the filter, for suppressing light reflected from the filter.34. The assembly of claim 33 , further comprising: 'wherein the optical path is between the filter and the additional filter.', 'an additional filter,'}35. The assembly of claim 33 , wherein the filter is a bandpass optical filter.36. The assembly of claim 35 , wherein the bandpass optical filter is a laterally variable bandpass optical filter.37. The assembly of claim 33 , wherein the two-dimensional array includes four one-dimensional arrays arranged side by side.38. The assembly of claim 33 ,wherein the two-dimensional array includes a plurality of one-dimensional arrays, andwherein each one-dimensional array, of the plurality of one-dimensional arrays, has a transmission center wavelength unique to the two-dimensional array.39. The assembly of claim 33 ,wherein the two-dimensional array includes a first plurality of one-dimensional arrays arranged side by side in a first direction,wherein the assembly further includes an additional filter that includes a different two-dimensional array, andwherein the different two-dimensional array includes a second plurality of one-dimensional arrays arranged side by ...

SPECTROSCOPIC CHARACTERIZATION OF SEAFOOD

A method and apparatus for field spectroscopic characterization of seafood is disclosed. A portable NIR spectrometer is connected to an analyzer configured for performing a multivariate analysis of reflection spectra to determine qualitatively the true identities or quantitatively the freshness of seafood samples. 130.-. (canceled)31. A method comprising:receiving, by a mobile device, a reflection spectrum of a sample;providing, by the mobile device, the reflection spectrum to a remote server;receiving, by the mobile device and from the remote server, a result of a multivariate pattern recognition analysis that is performed based on the reflection spectrum;determining, by the mobile device, information regarding the sample based on receiving the result of the multivariate pattern recognition analysis; andproviding, by the mobile device and for display, the information regarding the sample.32. The method of claim 31 , wherein receiving the result of the multivariate pattern recognition analysis comprises:receiving the result of the multivariate pattern recognition analysis after the remote server identifies the sample based on performing the multivariate pattern recognition analysis.33. The method of claim 31 , wherein determining the information regarding the sample comprises:identifying, by the mobile device and after receiving the result of the multivariate pattern recognition analysis, the sample based on the multivariate pattern recognition analysis; anddetermining the information regarding the sample based on identifying the sample.34. The method of claim 31 , wherein the mobile device receives the reflection spectrum from a portable spectrometer that is connected to the mobile device via a wireless link.35. The method of claim 31 , wherein providing the reflection spectrum to the remote server comprises:providing the reflection spectrum to the remote server via a cellular connection.36. The method of claim 31 , where the sample is a seafood sample.37. The ...

Spectrometer device and system

Described herein are a spectrometer system and a spectrometer device, which are suited for investigation or monitoring purposes, in particular, in the infrared (IR) spectral region, and for a detection of heat, flames, fire, or smoke. The spectrometer device allows capturing incident light from an object and transferring the incident light to a length variable filter with a particularly high concentration efficiency. Apart from the spectrometer device, the spectrometer system further includes an evaluation unit designated for determining information related to a spectrum of an object by evaluating the detector signals provided by the spectrometer device.

CORRECTION OF CURVED PROJECTION OF A SPECTROMETER SLIT LINE

Correction optics () are disposed in an optical path directly behind an entry slit () of a spectrometer () and configured to warp a straight object line shape (A) of the entry slit () into a curved object line shape (B) from a point of view of the projection optics (). The warping of the correction optics () is configured such that a curvature (R) of the curved object line shape (B) counteracts an otherwise distorting curvature (R) in a projection (A) of the straight object line shape (A) by the projection optics () without the correction optics (). As a result, the spectrally resolved image (B) comprises a plurality of parallel straight projected line shapes formed by spectrally resolved projections of the straight object line shape (A). 1. A spectrometer comprising:an entry slit configured to receive a one-dimensional image slice of light for spectral analysis along a straight object line shape;projection optics configured to project a spectrally resolved two-dimensional image of the straight object line shape onto a detector array; and a cylindrical mirror surface having a curvature around a first cylinder axis in a direction perpendicular to a length of the entry slit for providing a first reflection of the light originating from the entry slit;', 'a collimation compensator configured to counteract a decollimation of parallel principal light rays of the parallel principal light rays caused by the first reflection; and', 'a flat mirror surface extending in a direction parallel to the first cylinder axis for providing a second reflection of the light., 'a correction optics disposed in an optical path directly behind the entry slit to receive a parallel principal light rays originating from the entry slit, the correction optics comprising2. The spectrometer according to claim 1 , wherein the correction optics comprises a monolithic block of material with a set of distinct surfaces claim 1 , with each one of the set of distinct surfaces forming one of:the ...

Methods and Devices for Standoff Differential Raman Spectroscopy with Increased Eye Safety and Decreased Risk of Explosion

A compact, portable Raman spectrometer makes fast, sensitive standoff measurements at little to no risk of eye injury or igniting the materials being probed. This spectrometer uses differential Raman spectroscopy and ambient light measurements to measure point-and-shoot Raman signatures of dark or highly fluorescent materials at distances of 1 cm to 10 m or more. It scans the Raman pump beam(s) across the sample to reduce the risk of unduly heating or igniting the sample. Beam scanning also transforms the spectrometer into an instrument with a lower effective safety classification, reducing the risk of eye injury. The spectrometer's long standoff range automatic focusing make it easier to identify chemicals through clear and translucent obstacles, such as flow tubes, windows, and containers. And the spectrometer's components are light and small enough to be packaged in a handheld housing or housing suitable for a small robot to carry. 1. A method of Raman spectroscopy , the method comprising:acquiring interleaved measurements of a first Raman signal of a sample using a Raman pump beam at a first wavelength, a second Raman signal of the sample using a Raman pump beam at a second wavelength different than the first wavelength, and ambient light transmitted and/or scattered by the sample; andgenerating a post-processed signature based on the interleaved measurements of the first Raman signal, the second Raman signal, and the ambient light, measuring the first Raman signal over first measurement periods equal to a first integer multiple of a base period;', 'measuring the second Raman signal over second measurement periods equal to a second integer multiple of the base period; and', 'measuring the ambient light over third measurement periods equal to a third integer multiple of the base period., 'wherein acquiring the interleaved measurements comprises2. The method of claim 1 , wherein generating the post-processed signature comprises determining a difference between the ...

Methods and Devices for Standoff Differential Raman Spectroscopy with Increased Eye Safety and Decreased Risk of Explosion

A compact, portable Raman spectrometer makes fast, sensitive standoff measurements at little to no risk of eye injury or igniting the materials being probed. This spectrometer uses differential Raman spectroscopy and ambient light measurements to measure point-and-shoot Raman signatures of dark or highly fluorescent materials at distances of 1 cm to 10 m or more. It scans the Raman pump beam(s) across the sample to reduce the risk of unduly heating or igniting the sample. Beam scanning also transforms the spectrometer into an instrument with a lower effective safety classification, reducing the risk of eye injury. The spectrometer's long standoff range automatic focusing make it easier to identify chemicals through clear and translucent obstacles, such as flow tubes, windows, and containers. And the spectrometer's components are light and small enough to be packaged in a handheld housing or housing suitable for a small robot to carry. 1. A spectroscopy system comprising:a laser to illuminate a sample at a distance of at least 2 centimeters from the spectroscopy system with a laser beam having first laser safety class;a beam steering element, in optical communication with the laser, to scan a spot formed by the laser beam across a surface of a sample; anda monitoring system, operably coupled to the beam steering element and/or to the laser, to detect a malfunction of the beam steering system that would cause the laser beam to exceed a maximum permissible exposure for a second laser safety class and to at least one of attenuate, redirect, block, or turn off the laser beam in response to detection of the malfunction.2. The spectroscopy system of wherein claim 1 , the second laser safety class is lower than the first laser safety class.3. The spectroscopy system of claim 1 , wherein the second laser safety class is Class 3B according to the IEC 60825-1 standard.4. The spectroscopy system of claim 1 , wherein the second laser safety class is Class 3R according to the IEC ...

Methods and Devices for Standoff Differential Raman Spectroscopy with Increased Eye Safety and Decreased Risk of Explosion

A compact, portable Raman spectrometer makes fast, sensitive standoff measurements at little to no risk of eye injury or igniting the materials being probed. This spectrometer uses differential Raman spectroscopy and ambient light measurements to measure point-and-shoot Raman signatures of dark or highly fluorescent materials at distances of 1 cm to 10 m or more. It scans the Raman pump beam(s) across the sample to reduce the risk of unduly heating or igniting the sample. Beam scanning also transforms the spectrometer into an instrument with a lower effective safety classification, reducing the risk of eye injury. The spectrometer's long standoff range automatic focusing make it easier to identify chemicals through clear and translucent obstacles, such as flow tubes, windows, and containers. And the spectrometer's components are light and small enough to be packaged in a handheld housing or housing suitable for a small robot to carry. 1. A method of Raman spectroscopy , the method comprising:projecting a first Raman pump beam at a first wavelength onto a sample from a standoff distance of at least 10 centimeters;detecting a first Raman signal emitted by the sample in response to the first Raman pump beam, the first Raman signal representing a first Raman signature and a first background signature;projecting a second Raman pump beam at a second wavelength different than the first wavelength onto the sample from the standoff distance;detecting a second Raman signal emitted by the sample in response to the second Raman pump beam, the second Raman signal representing a second Raman signature and a second background signature; andgenerating a post-processed signature based on at least one of the first Raman signal or the second Raman signal, the post-processed signature having a background lower than or equal to the first background signature.2. The method of claim 1 , wherein generating the post-processed signature comprises determining a difference between the first ...

PHOTOTHERMAL INFRARED SPECTROSCOPY UTILIZING SPATIAL LIGHT MANIPULATION

Apparatuses and methods for microscopic analysis of a sample using spatial light manipulation to increase signal to noise ratio are described herein. 1. An apparatus for rapidly characterizing a sample with infrared radiation on a submicron scale , the apparatus comprising:a source of infrared radiation configured to illuminate a sample with a beam of infrared radiation to create an infrared illuminated area;a source of probe radiation configured to illuminate a sample with a beam of probe radiation to create a probe illuminated area;a collector configured to collect as collected probe light at least a portion of probe radiation that has interacted with the sample;at least one detector configured to detect as detected probe light at least a portion of collected probe light and generate at least one signal indicative of the portion of collected probe light;at least one spatial light manipulator configured to alter a distribution of collected probe light incident on the at least one detector, wherein the at least one detector signal is used to generate a signal indicative of an absorption of infrared radiation of at least a portion of the region of the infrared illuminated area;wherein the source of infrared radiation and the source of probe radiation are configured such that the infrared illuminated area can interact with a sample to affect the detected probe light.2. The apparatus of claim 1 , wherein the at least one spatial light manipulator is configured to improve a figure of merit of the signal indicative of infrared absorption.3. The apparatus of wherein the figure of merit is at least one of: signal strength claim 2 , noise level claim 2 , background intensity claim 2 , signal to noise ratio claim 2 , and signal to background ratio.4. The apparatus of claim 1 , wherein individual pixels of the at least one spatial light manipulator are configured to be selected to direct the collected light to the receiver or to another location.5. The apparatus of claim 4 , ...

OPTICS TO REDUCE SKEW IN INTEGRATED CAVITY OUTPUT SPECTROSCOPIC DEVICES

An integrated cavity output spectroscopic (ICOS) device includes a cavity and a mirror positioned at an output end of the cavity. The ICOS device also includes a first collection lens positioned between a detector and the mirror at the output end of the cavity, and a second collection lens positioned between the first collection lens and the detector. The ICOS device further includes an optical component configured to reduce skew of an optical signal output from the cavity, where the optical component is positioned between the mirror and the first collection lens. 1. An integrated cavity output spectroscopic (ICOS) device comprising:a cavity;a mirror positioned at an output end of the cavity;a first collection lens positioned between a detector and the mirror at the output end of the cavity;a second collection lens positioned between the first collection lens and the detector; andan optical component configured to reduce skew of an optical signal output from the cavity, wherein the optical component is positioned between the mirror and the first collection lens.2. The ICOS device of claim 1 , wherein the optical component comprises a plurality of slices mounted to one another in a circular pattern.3. The ICOS device of claim 2 , wherein the plurality of slices comprises eight slices.4. The ICOS device of claim 2 , wherein each slice in the plurality of slices is made from zinc selenide (ZnSe).5. The ICOS device of claim 2 , wherein edges of the slices are mounted to one another such that there is a step at each interface between the slices.6. The ICOS device of claim 5 , wherein the edges of the slices are beveled.7. The ICOS device of claim 2 , wherein a gradient of a first surface of a slice points from a first corner of the slice to a second corner of the slice along a cross-section of the slice to form a wedge-shaped surface.8. The ICOS device of claim 7 , wherein a second surface of the slice is plano.9. The ICOS device of claim 2 , wherein each of the slices ...

Channel-specific micro-optics for optical arrays

A multispectral sensor array can include a combination of ranging sensor channels (e.g., LIDAR sensor channels) and ambient-light sensor channels tuned to detect ambient light having a channel-specific property (e.g., color). The sensor channels can be arranged and spaced to provide multispectral images of a field of view in which the multispectral images from different sensors are inherently aligned with each other to define an array of multispectral image pixels. Various optical elements can be provided to facilitate imaging operations. Light ranging/imaging systems incorporating multispectral sensor arrays can operate in rotating and/or static modes.

Fluid-borne particle detector

ELECTRONIC MICROSCOPE AND SPECTROSCOPIC SYSTEM

放射エンコーディング及び分析のための方法及び装置

波長に基づいて分散された、あるいはラインに沿って画像化された放射線の空間変調を使用したアナライザーおよびエンコーダによる、放射線分析の方法と器具。

Optical spectroscopic device for non-invasive determination of glucose in blood and corresponding method of application

FIELD: medicine. SUBSTANCE: group of inventions relates to medicine. Method of concentration of light is implemented by means of optical spectroscopic device for non-invasive determination of glucose in blood. First outer wall has front and rear ends, inner and outer surfaces, and also contains hole on rear end with diameter of hole. Inner section is confined by inner photoreflective surface of first outer wall, has front and rear ends and truncated-conical shape. Light source is located inside internal section and is made with possibility to illuminate sample located in target zone. Photoreflective sensors are made with possibility to detect light passing from light source and through target zone. Inner section has cross sectional diameter equal to diameter of bore holes, and second cross sectional diameter near front end, which is less than diameter of hole. Perpendicular line divides truncated-conical shape into two equal parts and extends from second cross section diameter to first cross section diameter. Half angle of truncated-conical shape from perpendicular line is less than 45 degrees. EFFECT: using inventions enables more accurate determination of glucose in blood by optical spectroscopy by increasing total power of light in selected zone. 21 cl, 6 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 595 488 C2 (51) МПК A61B 5/1455 (2006.01) F21V 7/04 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2011144084/14, 23.03.2010 (24) Дата начала отсчета срока действия патента: 23.03.2010 (72) Автор(ы): СЮЙ Чжи (US) (73) Патентообладатель(и): ДЗЕ КЬЮРЕЙТОРЗ ОФ ДЗЕ ЮНИВЕРСИТИ ОФ МИССУРИ (US) Приоритет(ы): (30) Конвенционный приоритет: (43) Дата публикации заявки: 10.05.2013 Бюл. № 13 R U 01.04.2009 US 61/165,547 (45) Опубликовано: 27.08.2016 Бюл. № 24 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 01.11.2011 2 5 9 5 4 8 8 (56) Список документов, цитированных в отчете о поиске: EP 1300712 ...

Compact spectral readers for accurate color determination

本发明提供了光谱测量系统和方法。在一个实施方案中，光谱测量设备(100)包括：至少一个发射源，用于提供N(N≥2)个线性独立光源(220)，其特征是在预定波长范围内的M(M≥N)个波长通道内；包含至少一个传感器的传感器单元(240)，用于与发射源(220)和测试对象(280)光学连通；用于储存光源特征矩阵的存储器(124)，光源特征矩阵包括N个光源(220)在M个波长通道上的频谱特性；以及处理器(122)，其至少部分基于光源特征矩阵，提供在M个波长通道上测量对象的频谱响应。本发明的实施方案可用于构建一种新型的小型化光谱测量设备，例如手持式颜色测量设备。

Spectrometer

The present invention concerns an LED spectrometer operating without moving parts according to the sweep principle, and appropriate to serve as a structural component in many kinds of spectroscopic concentration analyzers. The design of the invention affords the advantage that, even at its minimum, the optical power of the LED spectrometer of the invention is about fivefold compared with the designs of prior art. Furthermore, improvement of the efficiency of the LED radiation source and of that of the optics has brought a multiple augmentation in power to the wavelength spectrum sent out by the radiation source. In the design of the invention, concentrators (6) of non-imaging type are used to collimate the wavelength spectrum emitted by the LEDs (3).

Compact spectral readers for accurate color determination

本发明提供了光谱测量系统和方法。在一个实施方案中，光谱测量设备(100)包括：至少一个发射源，用于提供N(N≥2)个线性独立光源(220)，所述发射源具有在预定波长范围内的M(M≥2)个波长通道；包含至少一个传感器的传感器单元(240)，用于与发射源(220)和测试对象(280)光学连通；用于储存光源特征矩阵的存储器(124)，光源特征矩阵包括N个光源(220)在M个波长通道上的频谱特性并与传感器单元的感应特征无关；以及处理器(122)，其至少部分基于光源特征矩阵，提供在M个波长通道上测量对象的频谱响应。本发明的实施方案可用于构建一种新型的小型化光谱测量设备，例如手持式颜色测量设备。

Optical system for reference switching

샘플의 하나 이상의 속성들을 결정하기 위한 시스템들 및 방법들이 개시된다. 개시된 시스템들 및 방법들은 다수의 위치들을 따라 측정하는 것이 가능할 수 있고, 샘플 내의 다수의 광학 경로들을 재이미징하고 분해할 수 있다. 시스템은 소형 시스템에 적합한 한 층 또는 두 층의 광학체들로 구성될 수 있다. 광학체들은 코팅된 광학 표면들의 개수와 복잡성, 에탈론 효과들, 제조 공차 누적 문제, 및 간섭 기반 분광 오류들을 감소시키기 위해 단순화될 수 있다. 광학체들의 크기, 개수 및 배치는 샘플을 가로지르는 그리고 샘플 내의 다양한 위치들에서 다수의 동시 측정 또는 비동시 측정을 가능하게 할 수 있다. 더욱이, 시스템들은 샘플과 광학체들 사이에 위치된 광학 스페이서 윈도우로 구성될 수 있으며, 광학 스페이서 윈도우의 포함으로 인한 광학 경로들의 변화들을 고려하는 방법들이 개시된다.

Optical measurement system with simultaneous multiple wavelengths, multiple angles of incidence and angles of azimuth

本发明揭示了一种光学测量和/或检测装置，该装置在一个应用中可被用来检测半导体器件。它包括：光源，用以提供入射光线；具有内反射面的半抛物面反射器，其中，所述反射器具有焦点和概要轴；和置于焦点附近的待测器件。和反射器的对称轴平行的入射光线进入反射器后，将被导向到焦点以及从待测器件上反射离开，从而产生表示该待测器件的指示信息，然后反射光线离开该反射器。探测器阵列接收反射出来的光线，该光线可被分析以确定待测器件的特征。

Spectrometer

개시된 분광기는, 광원에서 출력된 빛에 의해 타겟에서 산란된 산란 빛을 펴행 광속으로 정렬시키는 집광기나, 산란 빛의 각도를 제한하는 빔블록를 포함하며, 집광기나 빔블록을 경유한 산란 빛을 필터 어레이 및 검출기를 통해 검출함으로써, 분광특성을 유지한채로 펜타입이나 평판형태로 소형화할 수 있다. The disclosed spectrograph includes a concentrator for aligning light scattered from a target by light output from a light source into a straight beam, and a beam block for limiting the angle of the scattered light, and scattering light passing through the concentrator or beam block is filtered into a filter array. And by detecting through a detector, it can be miniaturized into a pen type or flat plate type while maintaining spectral characteristics.

System and method for spectral interpolation using multiple illumination sources

光学检测器（110）设置有具有不同光谱特性的多个光源（Lx），其跨照明强度组合的范围被控制开/关。测量传感器（213）接收经由受限光学通道从目标表面反射的辐射光，并生成代表性的输出信号。本地控制器（205）或远程计算设备（130）从光学检测器接收输出信号或对应的消息，并基于针对照明强度组合中的每一个的信号生成低分辨率光谱数据集合。低分辨率光谱数据集合基于机器学习算法进行内插，该机器学习算法利用来自参考设备的高分辨率数据进行训练以生成与目标表面相关联的高分辨率光谱数据集合。

System for non-invasive measurement of glucose in humans

An apparatus and method for non-invasive measurement of glucose in human tissue by quantitative infrared spectroscopy to clinically relevant levels of precision and accuracy. The system includes six subsystems optimized to contend with the complexities of the tissue spectrum, high signal-to-noise ratio and photometric accuracy requirements, tissue sampling errors, calibration maintenance problems, and calibration transfer problems. The six subsystems include an illumination subsystem, a tissue sampling subsystem, a calibration maintenance subsystem, an FTIR spectrometer subsystem, a data acquisition subsystem, and a computing subsystem.

Optical system for reference switching

本公开涉及用于参考切换的光学系统，具体公开了一种用于确定样本的属性的系统。系统包括一个或多个光源、检测器阵列、第一衬底和第二衬底。第一衬底包括照明光学器件和第一收集光学器件。照明光学器件被配置为接收由一个或多个光源发射的光并且将光朝向样本重定向。第一收集光学器件被配置为接收光的返回光的至少一部分并且将光朝向检测器阵列重定向。第二衬底包括第二收集光学器件。第二收集光学器件包括透镜并且被配置为接收光的返回光的至少一部分，并且将光的返回光的至少一部分重定向至第一收集光学器件。照明光学器件和第一收集光学器件形成在第一衬底的一个或多个表面上。检测器阵列被配置为检测由第一收集光学器件重定向的光，并且生成指示样本的属性的一个或多个信号。

Optical apparatus, high efficiency optical detection apparatus and plasma processing apparatus having the same

광학 장치, 이를 구비한 고효율 분광계측기 및 플라즈마 처리 장치가 개시된다. 본 발명의 실시 예에 따른 광학 장치는 플라즈마 광원의 물체면(objective plane)에서 방출되는 제1 광, 물체면의 전방 영역에서 방출되는 제2 광 및 물체면의 후방 영역에서 방출되는 제3 광을 집속하는 광집속 렌즈; 광집속 렌즈에 의해 집속되는 제1 광의 결상면에 배치되고, 제1 광의 결상점을 감싸는 영역에 형성되고 제2 광의 집속광 및 제3 광의 집속광을 동시에 차단하는 차단면을 갖는 차단판을 포함하고, 제1 광의 집속광을 통과시켜 회절시키는 개구가 차단판을 관통하여 제1 광의 결상점에 형성되는 광선택부; 개구를 통과하여 회절된 제1 광을 포집하는 렌즈부; 및 렌즈부에 의해 포집된 제1 광이 입사되는 광섬유를 포함한다. 본 발명의 실시 예에 의하면, 플라즈마 광원의 다양한 변화에 대해 적응적으로 광신호 수집효율을 높일 수 있다. An optical apparatus, a high-efficiency spectroscopic measuring instrument having the same, and a plasma processing apparatus are disclosed. An optical apparatus according to an embodiment of the present invention includes a first light emitted from an object plane of a plasma light source, a second light emitted from a front region of the object plane, and a third light emitted from a rear region of the object plane A focusing optical focusing lens; And a blocking plate disposed on an image forming surface of the first light beam focused by the light focusing lens and having a blocking surface formed in an area surrounding the imaging point of the first light beam and blocking the focusing beam of the second light beam and the focusing beam of the third light beam at the same time And an aperture for passing and diffracting the focusing light of the first light through the blocking plate to be formed at the imaging point of the first light; A lens unit for collecting the first light diffracted through the aperture; And an optical fiber into which the first light collected by the lens unit is incident. According to the embodiments of the present invention, the optical signal collection efficiency can be adaptively improved for various changes of the plasma light source.

Intelligent solid state lighting

A light fixture, using one or more solid state light emitting elements utilizes a diffusely reflect chamber to provide a virtual source of uniform output light, at an aperture or at a downstream optical processing element of the system. Systems disclosed herein also include a detector, which detects electromagnetic energy from the area intended to be illuminated by the system, of a wavelength absent from a spectrum of the combined light system output. A system controller is responsive to the signal from the detector. The controller typically may control one or more aspects of operation of the solid state light emitter(s), such as system ON-OFF state or system output intensity or color. Examples are also discussed that use the detection signal for other purposes, e.g. to capture data that may be carried on electromagnetic energy of the wavelength sensed by the detector.

Intelligent solid state lighting

A light fixture, using one or more solid state light emitting elements utilizes a diffusely reflect chamber to provide a virtual source of uniform output light, at an aperture or at a downstream optical processing element of the system. Systems disclosed herein also include a detector, which detects electromagnetic energy from the area intended to be illuminated by the system, of a wavelength absent from a spectrum of the combined light system output. A system controller is responsive to the signal from the detector. The controller typically may control one or more aspects of operation of the solid state light emitter(s), such as system ON-OFF state or system output intensity or color. Examples are also discussed that use the detection signal for other purposes, e.g. to capture data that may be carried on electromagnetic energy of the wavelength sensed by the detector.

Intelligent solid state lighting

A light fixture, using one or more solid state light emitting elements utilizes a diffusely reflect chamber to provide a virtual source of uniform output light, at an aperture or at a downstream optical processing element of the system. Systems disclosed herein also include a detector, which detects electromagnetic energy from the area intended to be illuminated by the system, of a wavelength absent from a spectrum of the combined light system output. A system controller is responsive to the signal from the detector. The controller typically may control one or more aspects of operation of the solid state light emitter(s), such as system ON-OFF state or system output intensity or color. Examples are also discussed that use the detection signal for other purposes, e.g. to capture data that may be carried on electromagnetic energy of the wavelength sensed by the detector.

Intelligent solid state lighting

A light fixture, using one or more solid state light emitting elements utilizes a diffusely reflect chamber to provide a virtual source of uniform output light, at an aperture or at a downstream optical processing element of the system. Systems disclosed herein also include a detector, which detects electromagnetic energy from the area intended to be illuminated by the system, of a wavelength absent from a spectrum of the combined light system output. A system controller is responsive to the signal from the detector. The controller typically may control one or more aspects of operation of the solid state light emitter(s), such as system ON-OFF state or system output intensity or color. Examples are also discussed that use the detection signal for other purposes, e.g. to capture data that may be carried on electromagnetic energy of the wavelength sensed by the detector.

Intelligent solid state lighting

A light fixture, using one or more solid state light emitting elements utilizes a diffusely reflect chamber to provide a virtual source of uniform output light, at an aperture or at a downstream optical processing element of the system. Systems disclosed herein also include a detector, which detects electromagnetic energy from the area intended to be illuminated by the system, of a wavelength absent from a spectrum of the combined light system output. A system controller is responsive to the signal from the detector. The controller typically may control one or more aspects of operation of the solid state light emitter(s), such as system ON-OFF state or system output intensity or color. Examples are also discussed that use the detection signal for other purposes, e.g. to capture data that may be carried on electromagnetic energy of the wavelength sensed by the detector.