ОПТИЧЕСКИЙ СПЕКТРОМЕТР С ВОГНУТОЙ ДИФРАКЦИОННОЙ РЕШЕТКОЙ

... 1. Оптический спектрометр с вогнутой дифракционной решеткой, содержащий:входную щель (3) для приема и формирования падающего пучка (5), содержащего по меньшей мере одну длину волны λ,вогнутую дифракционную решетку (1) для приема падающего пучка (5) с углом α падения и для дифрагирования указанного пучка с образованием дифрагированного пучка (6, 6а, 6b, 6с), образующего угол β(λ) с нормалью к решетке (1),по меньшей мере одно вогнутое зеркало (8, 8а, 8b, 8с), сформированное в виде части цилиндра круглого поперечного сечения с радиусом r, при этом указанное зеркало (8, 8а, 8b, 8с) выполнено с возможностью приема дифрагированного пучка (6, 6а, 6b, 6с) в направлении β(λ) и фокусирования его по меньшей мере на одной выходной щели (4, 4а, 4b, 4с), ипо меньшей мере один фотодетектор (9, 9а, 9b, 9с), оптически связанный с указанной выходной щелью (4, 4а, 4b, 4с), для измерения пучка (6, 6а, 6b, 6с), дифрагированного и сфокусированного указанным цилиндрическим зеркалом (8, 8а, 8b, 8с),отличающийся ...

Visualization unit for carrying out non-visible direct spectral measurement of complex shaped object, has measuring instrument spatially resolved for generating measurement result from object arranged in non-visible spectral region

The visualization unit (1) has a measuring instrument (2) which is spatially resolved for generating measurement result from an object (3) arranged in a non-visible spectral region and projected in visible spectrum with a projector (5). A distance measuring device (8) is arranged to measure the distance (9) with respect to the object, and an image processing unit (4) is arranged to evaluate the measurement result and/or the modified image of object, using the output signal of distance measuring device. The modified image is contacted with the object. An independent claim is included for a visualization method of visualization unit.

OPTICAL MEASURING INSTRUMENT

SPECTROMETER

Method and system for underwater hyperspectral imaging of seabed impacts, environmental state or environmental footprint

Method and system for underwater hyperspectral imaging of seabedimpact, environmental state or environmental footprint from naturalor man-made sedimentation comprising hyperspectral imaging ofecological, chemical or sediment indicators in an observation area(100) and identifying and classifying ecological, chemical or sedimentindicators in the observation area (100).

Standoff explosives detector using deep-uv raman spectroscopy

A method of performing Raman spectroscopy, and an apparatus for performing the method, including irradiating, with laser light, a trace amount of a target substance disposed on a painted surface, receiving reflected laser light and a Raman return signal from the trace amount of the target substance, processing the Raman return signal using, at least, a spectrograph and camera to obtain a Raman signature for the target substance, and identifying the target substance based on the Raman signature for the target substance and a database of Raman signatures. The laser light wavelength may be selected based on a ratio of Raman return signal power to fluorescence power, ~ LU =) bn fn D mCO % fA CDlWf o .) LU =5~-C 0 - fli C C L ) CDL r~~~ m-C u~ U) U e~CD ...

OBJECT STATE DETECTION/TRANSMISSION SYSTEM

An object state detection/transmission system provided with: a spectroscopy terminal device in which a spectroscope for measuring a reflection spectrum on the basis of reflected light reflected by a target object and an electronic instrument for receiving the measured reflection spectrum are integrally provided; and a server device connected to the spectroscopy terminal device via a communication line; wherein the electronic instrument is provided with an imaging means for capturing an image of the target object and obtaining a captured image, a GPS means for measuring the position of the target object, a sensor means for measuring the azimuth and angle of the target object, a clocking means for clocking the imaging and a predetermined time, and a communication means for transmitting the captured image, the position of the target object, the azimuth and angle of the target object, and the imaging time and the predetermined time together with the received reflection spectrum to the server device.

COMPACT LIGHT SENSOR

Provided are methods and systems for concurrent imaging at multiple wavelengths. In one aspect, a hyperspectral/multispectral imaging device includes a lens configured to receive light backscattered by an object, a plurality of photo-sensors, a plurality of bandpass filters covering respective photo-sensors, where each bandpass filter is configured to allow a different respective spectral band to pass through the filter, and a plurality of beam splitters in optical communication with the lens and the photo-sensors, where each beam splitter splits the light received by the lens into a plurality of optical paths, each path configured to direct light to a corresponding photo-sensor through the bandpass filter corresponding to the respective photo-sensor.

OPTICAL SPECTROMETER HAS CONCAVE DIFFRACTION PATTERN

L'invention concerne un spectromètre optique à réseau de diffraction concave comprenant une fente d'entrée (3) apte à recevoir et à former un faisceau incident (5) comprenant au moins une longueur d'onde λ, un réseau de diffraction concave (1) apte à recevoir le faisceau incident (5) sous un angle d'incidence α et à diffracter ledit faisceau pour former un faisceau diffracté formant un angle ß(λ) avec la normale au réseau (1), au moins un miroir concave (8, 8a, 8b, 8c) formé d'une portion de cylindre de section circulaire de rayon rcyl, ledit miroir (8, 8a, 8b, 8c) étant apte à recevoir le faisceau diffracté (6, 6a, 6b, 6c) dans la direction ß(λ) et à le focaliser sur au moins une fente de sortie (4, 4a, 4b, 4c), et au moins un photodétecteur (9, 9a, 9b, 9c) couplé optiquement à une fente de sortie (4, 4a, 4b, 4c) pour mesurer le faisceau diffracté et focalisé par un miroir cylindrique(8, 8a, 8b, 8c). Selon l'invention, ledit miroir (8, 8a, 8b, 8c) est situé sur une courbe de folium à une ...

OPTICAL SPECTROMETER HAS CONCAVE DIFFRACTION PATTERN

CALIBRATION MECHANISM WITH LAUNCH ENVIRONMENT CONSTRAINT AND DEFECT SAFETY FUNCTIONS

The present invention relates to a calibration mechanism having launch environment constraint and defect safety functions, and more particularly to a calibration mechanism which includes: a support frame with a preset shape; a pair of rotation support parts which are formed on the upper side of the support frame to face each other and have constraint pin fixing holes on one side thereof; a variable shaft part which is formed between the rotation support parts and rotates or is constrained in any one of the rotation support parts in a selected mode; a deploying plate coupled to one side of the variable shaft part, interlocked with the variable shaft part, and mounting various types of exploring or measuring equipment; and a driving unit connected to one end of the variable shaft part and fixing or rotating the variable shaft part in a selected mode. Accordingly, the present invention can reuse launch environment constraint, calibration task execution, and defect safety functions after use.

Optical sensor module for spectroscopic measurement

IMAGE SENSOR CAPABLE OF MEASURING FOR ILLUMINANCE, PROXIMITY, AND COLOR TEMPERATURE OF AN OBJECT

PURPOSE: An image sensor capable of measuring for illuminance, proximity, and color temperature of an object by installing a second sensing unit around a first sensing unit and separately operating the second sensing unit from the first one. CONSTITUTION: A light source(110) project infrared ray having a certain wavelength on an object. A light source control part(120) controls power supplied to the light source. A first sensing unit(160) includes an image pixel getting the image of the object which is projected through an infrared ray filter. An illumination detector receives external light passed through the infrared ray filter and measures the illuminance of the object. COPYRIGHT KIPO 2011 ...

MINIATURIZED SYSTEM AND METHOD FOR MEASURING OPTICAL CHARACTERISTICS

A miniaturized spectrometer/spectrophotometer system and methods are disclosed. A probe tip (10) including one or more light sources and a plurality of light receivers (12) is provided. A first spectrometer system (6A) receives light from a first set of the plurality of light receivers. A second spectrometer system (6B) receives light from a second set of the plurality of light receivers. A processor, wherein the processor receives data generated by the first spectrometer system and the second spectrometer system, wherein an optical measurement of a sample under test is produced based on the data generated by the first and second spectrometer systems.

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 ...

Apparatus and method for measuring optical characteristics of teeth

Color measuring systems and methods such as for determining the color or other characteristics of teeth are disclosed. Perimeter receiver fiber optics are spaced apart from a central source fiber optic and receive light reflected 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 color measurement may be made at a predetermined height and angle. Various color spectral photometer arrangements are disclosed. Translucency, fluorescence 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 data also is disclosed. Measured data ...

Hyperspectral imaging of a moving scene

Compact light sensor

Provided are methods and systems for concurrent imaging at multiple wavelengths. In one aspect, a hyperspectral/multispectral imaging device includes a lens configured to receive light backscattered by an object, a plurality of photo-sensors, a plurality of bandpass filters covering respective photo-sensors, where each bandpass filter is configured to allow a different respective spectral band to pass through the filter, and a plurality of beam splitters in optical communication with the lens and the photo-sensors, where each beam splitter splits the light received by the lens into a plurality of optical paths, each path configured to direct light to a corresponding photo-sensor through the bandpass filter corresponding to the respective photo-sensor.

컬러를 기록하는 포커스 스캐닝 장치

... 상기 이미지 센서 픽셀들의 블록을 위한 표면 컬러 정보 및 표면 형상 정보 모두가 상기 컬러 이미지 센서에 의해 기록되는 하나의 2D 이미지로부터 적어도 부분적으로 유도되는 대상의 표면 형상 및 표면 컬러를 기록하기 위한 스캐너 시스템 및 방법이 개시된다.

Confocal measuring apparatus

SYSTEM AND METHOD FOR ROBOT MOUNTED SENSOR

An apparatus and method for the remote analysis and identification of unknown compounds. A robotic arm positions a sensor on a surface. The sensor unit has a monitoring mechanism to monitor separation between the sensor unit and the surface when placed in contact with the surface to maintain the separation substantially constant. An illumination source illuminates the region of interest to produce scattered photons from an unknown compound. The scattered photons are collected by an optical system and delivered to a spectroscopic detector for analysis and identification. An algorithm is applied to the data generated by the spectroscopic detector to identify the unknown compound.

SYSTEM AND METHOD FOR ROBOT MOUNTED SENSOR

An apparatus and method for the remote analysis and identification of unknown compounds. A robotic arm positions a sensor on a surface. The sensor unit has a monitoring mechanism to monitor separation between the sensor unit and the surface when placed in contact with the surface to maintain the separation substantially constant. An illumination source illuminates the region of interest to produce scattered photons from an unknown compound. The scattered photons are collected by an optical system and delivered to a spectroscopic detector for analysis and identification. An algorithm is applied to the data generated by the spectroscopic detector to identify the unknown compound.

Optical measurement device and related process

An instrument and related process for measuring color, shade, gloss, shape and/or translucence of a tooth. First, the instrument uses searchlight illumination to illuminate a tooth with constant irradiance. Second, the instrument uses colorimetric imaging to collect time-separated frames of different wavelengths of light reflected from a tooth and to combine those frames into a color image. Third, the instrument includes a sanitary shield to establish a reference color and a predetermined distance to a target tooth. Fourth, the instrument provides line-of-sight viewing so an operator may simultaneously view a display of the image on the instrument and the object being measured. Fifth, the instrument is impervious to pollutants because it incorporates a sealed measurement window. Sixth, optical measurements of a tooth taken by a dentist are compared to optical measurements of a prosthetic restoration for that tooth to confirm satisfactory matching of optical characteristics of the tooth ...

DISTANCE MEASUREMENTS USING SPECTROMETER SYSTEMS

An example system includes a light source, a first spectrometer, a second spectrometer, and an electronic control module. The light source is operable to emit light within a first range of wavelengths in a field of illumination. The first spectrometer is operable to measure first sample light reflected from an object within a second range of wavelengths and in a first field of detection. The second spectrometer is operable to measure second sample light reflected from the object within a third range of wavelengths and in a second field of detection. The electronic control module operable to determine, based on the measured first sample light and the measured second sample light, a distance between the system and the object, and determine, based on the measured first sample light and the measured second sample light, a spectral distribution of light corresponding to the object.

SPECTROMETRY DEVICE AND IMAGE FORMING APPARATUS

A printer incorporating a spectrometry device includes a spectroscope that includes a light receiving optical system including a light receiver which receives reflected light from a range of measurement in a medium, a distance sensor that detects the distance between the medium and the spectroscope, and a reflecting mirror driver and an optical path adjuster that adjust the optical path of the reflected light which is incident on the light receiving optical system from the range of measurement according to the distance detected by the distance sensor.

Online Measurement Of Black Powder In Gas And Oil Pipelines

A method and system for determination of contaminants, such as black powder, in a flowing fluid, such as natural gas, is disclosed. The method comprises transmitting a plurality of light beams over a spectrum of wavelengths through the flowing fluid and receiving a plurality of measurements relating to transmitted and scattered light beams over the spectrum of wavelengths. The received plurality of measurements are compared with a plurality of stored patterns and a result indicative of the determination of the contaminants is output.

OPTICAL DESIGN TECHNIQUES FOR MULTILAYER THIN FILM DEVICES IN COMPACT OPTICAL SYSTEMS

Methods and systems for designing an integrated computational element (ICE) device are provided. The method includes generating a plurality of ICE device models with a design suite, each ICE device model being configured to detect a characteristic of interest of a sample, and including one or more layers. Further determining at least one transmission spectrum for each theoretical ICE device model for at least one distribution of incident light angles and at least one performance criteria for each ICE device model for the at least one of distribution of incident light angles. Also, ranking the ICE device model based on the at least one performance criteria of each ICE device model at the at least one distribution of incident light angles, and selecting for fabrication one or more ICE device models based on favorable angular tolerance. An optical system including an ICE device as described above is also provided. 1. A method of designing an integrated computational element (ICE) device , comprising:generating a plurality of ICE device models with a design suite stored on a non-transitory, computer-readable medium, each ICE device model comprising one or more layers and being configured to detect a characteristic of interest of a sample substance;determining at least one transmission spectrum for each ICE device model for at least one distribution of incident light angles;determining at least one performance criteria for each ICE device model for the at least one distribution of incident light angles;ranking each ICE device model based on the at least one performance criteria of each ICE device model at the at least one distribution of incident light angles; andselecting for fabrication one or more of the plurality of ICE device models based on favorable angular tolerance.2. The method of claim 1 , wherein the performance criteria comprises criteria selected from a group consisting of minimum prediction error claim 1 , standard error of calibration claim 1 , standard ...

Passive ranging to a target reflecting solar radiation

Passive ranging to a target reflecting solar radiation

SPECTROMETER WITH ACTIVE BEAM STEERING

A spectrometer includes a light source that emits a beam into a sample volume comprising an absorbing medium. Thereafter, at least one detector detects at least a portion of the beam emitted by the light source. It is later determined, based on the detected at least a portion of the beam and by a controller, that a position and/or an angle of the beam should be changed. The beam emitted by the light source is then actively steered by an actuation element under control of the controller. In addition, a concentration of the absorbing media can be quantified or otherwise calculated (using the controller or optionally a different processor that can be local or remote). The actuation element(s) can be coupled to one or more of the light source, a detector or detectors, and a reflector or reflectors intermediate the light source and the detector(s).

PROCESS AND EQUIPMENT FOR the CONTROL OF the COLOR Of a MULTICOLOURED REASON

PROCESS AND EQUIPMENT FOR the CONTROL OF the COLOR Of a MULTICOLOURED REASON

Procédé pour le contrôle de la couleur d'un motif multicolore au moyen d'un spectrophotomètre, selon lequel on identifie au moins une plage fixe du motif au moyen d'un système de reconnaissance de formes et y on positionne le spectrophotomètre.

스킨 등의 색을 검출하기 위한 장치

... 피혁 등을 가공 및/또는 관리하기 위해 기계(10) 및/또는 플랜트(12)에 설치 가능한 피혁의 색 및/또는 등을 검출하는 장치(2)에 있어서, - 색이 검출될 적어도 하나의 피혁(6)을 지지하는 표면(7), - 상기 표면(7) 상에 지지된 피혁(6) 상에 공지된 스펙트럼 조성의 광 복사선을 방출하도록 준비된 광원(18), - 상기 광원(18)으로부터 방출되어 상기 피혁(6)에서 반사된 광 복사선을 포획하기 위해 준비된 광학 센서(4), - 상기 광학 센서(4)와 상기 표면(7) 상에 지지된 피혁(6) 사이의 거리를 일정하게 유지하기 위해 상기 광학 센서(4)에 위치된 수단(16) - 상기 광학 센서(4)에 의해 포획된 상기 광 복사선의 색 성분의 값을 추출하기 위해 상기 광학 센서(4)와 관련된 광학적 여과 수단(20), - 상기 색 성분의 값을 수신하고 이들을 미리 설정된 기준값과 비교하고 및/또는 대응하는 색을 계산 및 식별하도록 구성된 처리 유닛(28) 을 포함하는 것을 특징으로 한다.

METHOD AND APPARATUS FOR NONINVASIVE PROBE/SKIN TISSUE CONTACT SENSING

The invention relates to a method and apparatus for performing noninvasive analyte property determination. More particularly, the invention relates to determining proximity and/or contact of an optical sample probe with skin tissue.

OPTICAL MEASUREMENT DEVICE AND RELATED PROCESS

An instrument and related process for measuring color, shade, gloss, shape and/or translucence of a tooth. First, the instrument uses searchlight illumination to illuminate a tooth with constant irradiance. Second, the instrument uses colorimetric imaging to collect time-separated frames of different wavelengths of light reflected from a tooth and to combine those frames into a color image. Third, the instrument includes a sanitary shield to establish a reference color and a predetermined distance to a target tooth. Fourth, the instrument provides line-of-sight viewing so an operator may simultaneously view a display of the image on the instrument and the object being measured. Fifth, the instrument is impervious to pollutants because it incorporates a sealed measurement window. Sixth, optical measurements of a tooth taken by a dentist are compared to optical measurements of a prosthetic restoration for that tooth to confirm satisfactory matching of optical characteristics of the tooth ...

Apparatus and method for measuring optical characteristics of teeth

Optical characteristic measuring systems and methods such as for determining the color or other optical characteristics of teeth are disclosed. Perimeter receiver fiber optics 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 data also ...

VISUALIZATION OF SURGICAL DEVICES

A surgical visualization system is disclosed. The surgical visualization system is configured to identify one or more structure(s) and/or determine one or more distances with respect to obscuring tissue and/or the identified structure(s). The surgical visualization system can facilitate avoidance of the identified structure(s) by a surgical device. The surgical visualization system can comprise a first emitter configured to emit a plurality of tissue-penetrating light waves and a second emitter configured to emit structured light onto the surface of tissue. The surgical visualization system can also include an image sensor configured to detect reflected visible light, tissue-penetrating light, and/or structured light. The surgical visualization system can convey information to one or more clinicians regarding the position of one or more hidden identified structures and/or provide one or more proximity indicators.

METHOD AND APPARATUS FOR FOCUSING

The present disclosure provides a method and system for focusing, which modulates a broadband light into a dispersive light having a higher dispersion characteristic and a lower dispersion characteristic, and the dispersion light is projected onto an object so as to form an object light. By means of the filtering and dividing procedure, a first optical spectrum of the dispersion light with respect to the higher dispersion characteristic is utilized to detect a height information of the surface profile of the object. Then, according to the height information, a second optical spectrum of the dispersion light with respect to the lower dispersion characteristic is adjusted to focus onto the object so that an imaging sensing device is capable of sensing the object light with respect to the lower dispersion characteristic, and thereby obtaining a clear and focusing image corresponding to the surface of the object.

Knowledge based spectrometer

A sensor and method for remotely determining a presence of a particular substance based on spectral data of the particular substance is disclosed. The sensor includes a sampling module configured to detect radiation from a particular substance using an interferometer, wherein the sampling module includes a control module that is configured to guide and measure spacing of samples taken by the sampling module; a focal plane module configured to detect and convert an interference pattern produced by the interferometer into a series of digital samples; a reference spectra modification module configured to modify reference spectra by modifying according to the measured spacing of samples and an instrument line shape of the sampling module; an estimation module configured to receive the converted series of digital samples and transform the non-uniformly spaced digital samples into frequency space using band centers determined from reference spectra as modified by the instrument line shape of ...

Color measurement systems, devices, and methods

Color measurement instruments and processes provide automated and accurate color measurements. Sensor to sample distance is automatically adjusted by the instrument over the course of measurement collection. Adaptive parameters may include turntable speed, illumination spectrum, laser gain setting, number of measurement samples, duration of sampling, sample color measurement threshold, and distance variation measurement threshold.

MEASUREMENT DEVICE, MEASUREMENT SYSTEM, MEASUREMENT POSITION ALIGNMENT METHOD USING THIS, AND MEASUREMENT POSITION ALIGNMENT PROGRAM

A measurement system capable of accurately aligning the corresponding measurement points of a plurality of measurement targets to evaluate the measurement targets from measurement results at both measurement points is provided. A measurement system (100) includes a measuring instrument (10) and a PC (20), and the measuring instrument (10) includes a spectroscopic unit (12) that measures a measurement point of a measurement target and a camera (16) that images surroundings of the measurement point in real-time. The PC (20) displays an evaluation image of continuous image information of an evaluation medium, which is imaged and displayed by the camera (16) of the measuring instrument (10) on a display screen of a display unit (22) so as to be superimposed on a reference image of still image information of a reference medium, which has been imaged by the camera (16) and stored in a memory (24). By comparing the measurement data obtained by measuring the measurement point in the evaluation ...

Colour measuring device and corresponding measuring head

SPEKTROPHOTOMETER UND DESSEN BAUGRUPPEN

Object state detection/transmission system

An object state detection/transmission system provided with: a spectroscopy terminal device in which a spectroscope for measuring a reflection spectrum on the basis of reflected light reflected by a target object and an electronic instrument for receiving the measured reflection spectrum are integrally provided; and a server device connected to the spectroscopy terminal device via a communication line; wherein the electronic instrument is provided with an imaging means for capturing an image of the target object and obtaining a captured image, a GPS means for measuring the position of the target object, a sensor means for measuring the azimuth and angle of the target object, a clocking means for clocking the imaging and a predetermined time, and a communication means for transmitting the captured image, the position of the target object, the azimuth and angle of the target object, and the imaging time and the predetermined time together with the received reflection spectrum to the server ...

SMALL INTELLIGENT OPTICAL OBSERVATION APPARATUS FOR WATER BODY AND METHOD OF EVALUATING QUALITY OF GLOBAL WATER BODY WITH THE SAME

The present invention relates to a small intelligent optical observation apparatus for a water body and a method for evaluating quality of the water body with the same. The apparatus includes an observer, a mobile intelligent terminal and a handheld self-stabilization holder; the handheld self-stabilization holder is provided with a handheld grip at one end and a three-axis stabilizer at the other end; a pitch axis of the three-axis stabilizer is provided with a first clamp for clamping the observer; the handheld grip is provided with a second clamp for clamping the mobile intelligent terminal; the mobile intelligent terminal is coupled with the observer and the three-axis stabilizer wirelessly, and has a built-in observation application which is used to set a data collection parameter and monitor adjustment of an attitude of the three-axis stabilizer in real time, and meanwhile to receive, save and display data from the observer, analyze the data and/or share or send an analysis result ...

Spectral analysis of fluctuating luminous source - has wavelengths of rays isolated in time sequence and individual intensities summed

Spectral analysis of fluctuating luminous source is preformed by isolating wavelengths of the rays in a time sequence. Each ray intensity is measured during several successive sequences and results are summed. A luminous source (1) being analysed illuminates an optical slit (2) and a collimator (3) projects its image onto rotating disc filter (4). Coded discs (6, 7) on the same axis os the filter provide synchronous marks detected by phototransistors (6a, 7a). A photomultiplier (9) receives incident photons from the filter and its output pulses are amplified (10) prior to gating (11) with counter (14) contents. These signals pass via a counter (16) operating with a memory n17) which also receives synch. signals from coded discs (6, 7). Results of analyses are presented for data readout (18).

A RECONNAISSANCE SYSTEM AND DEVICE

SYSTEM FOR OPTICALLY CHARACTERIZING AN AREA OF INTEREST OF AN OBJECT

L'invention concerne un système de caractérisation optique (10) d'une zone d'intérêt (ZI) d'un objet (OBJ) d'une scène (S) comprenant : -un module de sélection (SM) comprenant : -un détecteur matriciel (MD) et une optique d'imagerie (IO) -une matrice de micro-miroirs (DMD) et une première lame séparatrice (LS1) disposées de sorte que l'optique d'imagerie (IO) image simultanément la scène sur la matrice de micro-miroirs, -une unité de traitement et de contrôle (UTC) configurée pour traiter l'image de la scène (ImS) générée par le détecteur matriciel (MD), pour sélectionner la zone d'intérêt de l'objet dans ladite image de la scène et pour activer sélectivement les micro-miroirs de la matrice compris dans la zone d'intérêt, -un module d'analyse (AM) comprenant : -un dispositif optique de collection (OD) couplé à la matrice de micromiroirs et configuré pour collecter un faisceau d'intérêt (Br) réfléchit par les micro-miroirs activés, -au moins un dispositif de caractérisation (ChD1) configuré pour récupérer le faisceau d'intérêt et pour caractériser ladite zone d'intérêt à partir du faisceau d'intérêt (Br). The invention relates to an optical characterization system (10) of an area of interest (ZI) of an object (OBJ) of a scene (S) comprising: a selection module (SM) comprising: a matrix detector (MD) and imaging optics (IO) - an array of micro-mirrors (DMD) and a first splitter plate (LS1) arranged so that the imaging optics (IO) simultaneously images the scene on the matrix of micro-mirrors, - a processing and control unit (UTC) configured to process the image of the scene (ImS) generated by the matrix detector (MD), to select the area of interest of the object in said image of the scene and to selectively activate the micro-mirrors of the array included in the area of interest, an analysis module (AM) comprising: an optical collection device (OD) coupled to the array of micromirrors and configured ...

METHOD AND DEVICE FOR EVALUATING SPECTROSCOPIC MEASUREMENTS ON SOLID MATERIALS WITH SPATIALLY AND/OR TIME-VARIABLE SURFACES

Lorsqu'on est en présence, dans le cas de mesures spectroscopiques, de matériaux à surfaces variables au plan spatial et/ou temporel, l'écart variable induit des risques d'effets d'erreurs considérables, si les intensités des signaux sont détectées et évaluées par les spectres. Selon l'invention, des spectres détectés en continu évaluent, au lieu de l'intensité ou l'absorption, leurs déviations en fonction de la longueur d'ondes, ce qui permet d'éliminer les effets de l'écart variable au plan spatial et/ou temporel de la surface des matériaux par rapport à la source de rayonnement. En outre, il est prévu une série de mesures mécaniques permettant de minimiser les écarts variables inévitables entre le détecteur et l'échantillon, avant de procéder aux mesures.

PASSIVE RANGING TO A TARGET REFLECTING SOLAR RADIATION

A passive ranging system measured spectra of solar radiation off an adjacent spot and a distal target. Reflected solar radiation and different attenuation are used to estimate target range. A comparison of absorption spectra from the solar illuminated distal target compared to the adjacent location is performed. Since the sun's position is always known, the increased absorption due to a distant target is derived from the differential between the adjacent spot and the distal target.

Spectrophotometer mouse

A spectrophotometer mouse is provided for making color spectrum measurements of desired areas on a surface over which the mouse is movable. The spectrophotometer mouse includes a housing shaped to conform to the hand of an operator, and a spectrophotometer in the housing having an input (such as a light receiving aperture) for measuring the color spectrum of the target area on the surface. The mouse has a position sensing encoder which is coupled to a programmed computer for identifying the position of the mouse on the surface. This programmed computer may be internal or external of the housing. The computer is used for locating the target area on the surface with reference to a pointer on the mouse, and then detecting when an operator has moved the mouse such that the input of the spectrophotometer is substantially coincident with the located target area. The computer automatically actuates the spectrophotometer so that the spectrum of the light from the target area is received at the ...

Optical characteristic measuring apparatus and optical characteristic measuring method

An optical characteristic measuring apparatus includes an optical system, a detector, and an analysis unit. The optical system collects detection light incident from a sample. The detector spectrally disperses the detection light in plural times to generate plural pieces of detection data, the plural pieces of detection data indicating their respective spectra of detection light incident from the sample to the optical system with an optical distance between the sample and the optical system being different from each other. The analysis unit analyzes the spectrum indicated by the detection data to measure a predetermined optical characteristic of the sample. The analysis unit specifies a piece of the detection data to be used for measuring the optical characteristic based on intensity of the detection light in the plural pieces of detection data, and measures the optical characteristic based on the specified piece of the detection data.

Color measurement apparatus and color measurement method

A color measurement apparatus that performs color measurement on a printout includes a measurement unit that can perform color measurement on a target by changing a light-receiving angle, and a controller that causes the measurement unit to perform color measurement at the light-receiving angle corresponding to an index value representing unique luster of the printout.

Wavelength detecting apparatus and focus detecting apparatus having the same

A wavelength detecting apparatus capable of detecting the main wavelength of the light coming into an image capture apparatus and a focus detecting apparatus using the same are disclosed. The wavelength detecting apparatus may include a spectral unit which separates the incoming light according to the respective wavelengths, and may focus the separated light onto a sensor. The main wavelength can be determined based on the wavelength distribution sensed by the sensor. The determined wavelength can be used to further determine amount of adjustment to be made to the defocus amount to compensate for the chromatic aberration associated with the wavelength of the light illuminating the source.

Leitstand einer Druckmaschine

Die Erfindung betrifft einen Leitstand einer Druckmaschine, aufweisend zumindest eine Auflage zur Aufnahme eines bogenförmigen Bedruckstoffes, eine Messeinrichtung zum Messen einer Messgröße des auf der Auflage aufgelegten bogenförmigen Bedruckstoffes, mindestens eine Kamera zur Erfassung von mindestens einer von einer Person am Leitstand ausgeübten Geste und eine Bildverarbeitungseinrichtung zur Verarbeitung und Auswertung von der betreffenden Kamera erfasster Bilder, wobei mittels der von der betreffenden Kamera erfassten Geste eine Steuerfunktion ausgelöst oder zumindest auslösbar ist, wobei in Verbindung mit der betreffenden Kamera ein Abstandssensor vorgesehen ist, wobei der Abstandssensor einen Abstand zwischen der betreffenden Kamera und der von der Person ausgeübten Geste misst oder wobei mit dem Abstandssensor ein Abstand zwischen der betreffenden Kamera und der von der Person ausgeübten Geste zumindest messbar ist, wobei die Steuerfunktion in Abhängigkeit vom gemessenen Abstand ...

Passive radar system cuing active radar system

COLOR MEASURING AND CONTROL DEVICE

A color detecting device comprising a head (14) supported on an arm (30) for oscillatory motion over the product (11) being color measured to render a signal responsive to the average color of the product. A height detector (44) provides a signal indicating the distance between the product and head and is used to modify the color signal accordingly. A temperature sensor (39) in the head indicates an overtemperature condition for causing movement of the head away from the product. The screen (17) transparency is measured by the indicator (47, 48) to indicate when the screen is dirty.

TRANSPORTABLE GONIOSPECTROMETER WITH CONSTANT OBSERVATION CENTRE

Known goniospectrometers for the radiometric measurement of the reflexion behaviour, more particularly the anisotropic radiance, of a natural surface under insolation are relatively complicated to transport and adjust. The goniospectrometer (01) according to the invention comprises on a cantilever (03) a rotatable and fixable suspension (04), which is connected to a fixed arc end (054), the other arc end being embodied as a free arc end (055). The suspension positions the arc (05) at the distance of the arc radius (BR) thereof above the natural surface (SF). A displaceable and fixable slide (06) carrying an optical unit (131) is arranged along the arc (05). By rotating the arc (05) about the suspension (04) and displacing the slide (06) along the arc (05), it is possible to position the optical unit (131) at any point on the spherical shell spanned. Measurements can be performed at arbitrary viewing angles and correlated with the measurements of a satellite (EnMAP) that can be pivoted in ...

SPECTROPHOTOMETER AND ITS USE

A spectrophotometer includes an optical measurement head (100), a spectrometer (200) and a control electronic (300). The measurement head is equipped with a multi-channel illumination arrangement which includes exclusively light emitting diodes (13) as spectrally continuous light source. Each illumination channel (11) includes a light emitting diode (13), whereby each light emitting diode is separately controllable. The measurement head includes further a preferably telecentrically constructed collecting channel (12) for the capturing of the measurement light remitted or emitted by the sample and for the coupling of the same into the spectrometer (200). The illumination channels (11) are positioned in a circle around the optical axis of the measurement head (100) and illuminate the sample under different angles of incidence. The measurement head includes at least one white light emitting diode and additionally light emitting diodes with different imaging spectra as well as UV light emitting ...

STANDOFF EXPLOSIVES DETECTOR USING DEEP-UV RAMAN SPECTROSCOPY

A method of performing Raman spectroscopy, and an apparatus for performing the method, including irradiating, with laser light, a trace amount of a target substance disposed on a painted surface, receiving reflected laser light and a Raman return signal from the trace amount of the target substance, processing the Raman return signal using, at least, a spectrograph and camera to obtain a Raman signature for the target substance, and identifying the target substance based on the Raman signature for the target substance and a database of Raman signatures. The laser light wavelength may be selected based on a ratio of Raman return signal power to fluorescence power.

STANDOFF EXPLOSIVES DETECTOR USING DEEP-UV RAMAN SPECTROSCOPY

A method of performing Raman spectroscopy, and an apparatus for performing the method, including irradiating, with laser light, a trace amount of a target substance disposed on a painted surface, receiving reflected laser light and a Raman return signal from the trace amount of the target substance, processing the Raman return signal using, at least, a spectrograph and camera to obtain a Raman signature for the target substance, and identifying the target substance based on the Raman signature for the target substance and a database of Raman signatures. The laser light wavelength may be selected based on a ratio of Raman return signal power to fluorescence power.

Measurement device, measurement system, measurement position alignment method using this, and measurement position alignment program

The purpose of the present invention is to precisely align corresponding measurement points of multiple objects to be measured, and to assess the objects to be measured from the results of measurement at both measurement points. A measurement system (100) is provided with a measurement device (10) and a PC (20), and the measurement device (10) is provided with a spectroscopic unit (12) that measures a measurement point of an object to be measured and a camera (16) for imaging the surrounding of the measurement point in real time. The PC (20) displays, on a display screen of a display unit (22), an assessment image of sequence image information of an assessment medium which is imaged and displayed by the camera (16) of the measurement device (10), so as to be superimposed over a reference image of still image information of a reference medium which has been imaged by the camera (16) and stored in a memory (24). By performing comparison between the measurement data obtained by measuring the ...

PROCEDE D'ANALYSE SPECTRALE DE SOURCES LUMINEUSES NOTAMMENT FLUCTUANTES, ET SPECTROGRAPHE POUR LA MISE EN OEUVRE DU PROCEDE

Procédé et spectrographe pour l'analyse spectrale de sources lumineuses notamment fluctuantes. Un filtre monochromateur 4 est intercalé dans un trajet optique entre une source lumineuse 1 et un photomultiplicateur 9. Le filtre 4 est en forme de couronne circulaire, et ne laisse passer qu'une raie variant régulièrement avec l'orientation angulaire. Un compteur 8, piloté par des capteurs 6a, 7a, commande l'accessibilité d'emplacements de mémoire 17. Le photomultiplicateur 9 compte les photons incidents pendant la durée temporisée d'ouverture de la porte 11. Le compteur 16 totalise les intensités lumineuses relatives à chaque raie. Application à la spectrométrie de décharges erratiques.

Image sensor for measuring illumination, proximity and color temperature

PORTABLE GONIOSPECTROMETER WITH CONSTANT OBSERVATION CENTRE

Known goniospectrometers for the radiometric measurement of the reflexion behaviour, more particularly the anisotropic radiance, of a natural surface under insolation are relatively complicated to transport and adjust. The goniospectrometer (01) according to the invention comprises on a cantilever (03) a rotatable and fixable suspension (04), which is connected to a fixed arc end (054), the other arc end being embodied as a free arc end (055). The suspension positions the arc (05) at the distance of the arc radius (BR) thereof above the natural surface (SF). A displaceable and fixable slide (06) carrying an optical unit (131) is arranged along the arc (05). By rotating the arc (05) about the suspension (04) and displacing the slide (06) along the arc (05), it is possible to position the optical unit (131) at any point on the spherical shell spanned. Measurements can be performed at arbitrary viewing angles and correlated with the measurements of a satellite (EnMAP) that can be pivoted in ...

Video tracking-based real-time hyperspectral data acquisition

A spectroscopy system for high-accuracy, highly automated spectral imaging of a target is provided. Video and spectrometry information are obtained via an integrated video, spectrometry and distance sensing platform and processed by a computer. The processed video and spectrometry information are presented in real-time on an integrated display, with a graphical representation of the actual ground instantaneous field of view of the spectrometer sensor overlaid directly onto the video image of the target to provide real-time target aiming information, thus enabling the operator to rapidly optimize spectral data acquisition.

Multi-mode optical imager

A common aperture, multi-mode optical imager for imaging electromagnetic radiation bands from a field of two or more different wavelengths is described. Fore-optics are provided to gather and direct electromagnetic radiation bands forming an image into an aperture of the multi-mode optical imager. The image is divided into two different wavelength bands, such as visible light and long-wave infrared. The first wavelength band (e.g., visible light) is detected by a first detector, such as a CCD array, for imaging thereof. The second wavelength band (e.g., long-wave infrared) is detected by a second detector, such as an uncooled microbolometer array, for imaging thereof. Additional optics may be provided for conditioning of the first and second wavelength bands, such as such as for changing the magnification, providing cold shielding, filtering, and/or further spectral separation.

Spectroscopic apparatus and methods

In a Raman spectroscopy apparatus, exciting light is focussed on a sample (26) as a line focus 38. Spectra from points in the line focus are dispersed in rows 46 on a CCD detector 34, having a two-dimensional array of pixels. The line focus moves longitudinally in a direction Y (arrow 48) relative to the sample. Simultaneously and synchronously, charge is shifted in a parallel direction Y' (arrow 50) within the CCD, so that data from a given point in the sample continues to accumulate. This ensures that the data from each sample point arises from illumination which is integrated along the line focus, and makes it easier to stitch the data together subsequently to form an image of the sample. In order to provide averaging in the X direction during fast, low resolution scanning, the line focus is swept across the sample in a zig-zag fashion, between boundary lines 60.

A system for robotic control of imaging data having a steerable gimbal mounted spectral sensor and methods

MINIATURIZED SYSTEM AND METHOD FOR MEASURING OPTICAL CHARACTERISTICS

METHOD AND EQUIPMENT FOR CONTROLLING THE COLOUR OF A MULTICOLOURED PATTERN

The invention concerns a method for controlling the colour of a multicoloured pattern using a spectrophotometer, which consists in identifying at least a pre-established area of the pattern using a shape recognition system and positioning therein the spectrophotometer.

Makeup counseling apparatus

The present invention is composed of a computer positioned at a basal portion of an apparatus for conducting image processing and counseling processing; a first image display means for displaying a computer-processed image to a subject, mounted upright in the computer, a second image display means for displaying the computer-processed image to a counselor, mounted upright in the computer so that a display screen thereof is directed in a direction opposite the first display means; and photographic means, positioned near the first image display means, for photographing a subject directed in a direction of the first display means and feeding a facial image of the subject into the computer, thus making the apparatus small in scale and simple in composition, and suitable for a counselor to provide counseling on make-up to a subject.

Compact light sensor

Provided are methods and systems for concurrent imaging at multiple wavelengths. In one aspect, a hyperspectral/multispectral imaging device includes a lens configured to receive light backscattered by an object, a plurality of photo-sensors, a plurality of bandpass filters covering respective photo-sensors, where each bandpass filter is configured to allow a different respective spectral band to pass through the filter, and a plurality of beam splitters in optical communication with the lens and the photo-sensors, where each beam splitter splits the light received by the lens into a plurality of optical paths, each path configured to direct light to a corresponding photo-sensor through the bandpass filter corresponding to the respective photo-sensor.

A device for detecting the color of skins and the like

A device for detecting the color of leather hides, which is installable on machines and/or in plants for processing and/or managing leather hides, includes a surface for supporting a leather hide of which the color is to be detected, a light source emitting a light radiation of known spectral composition onto the leather hide, an optical sensor capturing the light radiation emitted from the light source and reflected from the leather hide, a member positioned at the optical sensor and keeping the distance constant between the optical sensor and the leather hide, an optical filter associated to the optical sensor to extract the values of the chromatic components of the light radiation captured by the optical sensor, and a processing unit receiving the values of the chromatic components and comparing those values with preset reference values and/or calculating and identifying the corresponding color. 121012. A device () detecting colors of leather hides , which is installable on machines () or in plants () processing or managing leather hides , comprising:{'b': 7', '6, 'a surface () adapted to support a leather hide (), of which a color is to be detected;'}{'b': 18', '18', '6, 'a light source () adapted to emit a light radiation, which is emitted from said light source () and is reflected from said leather hide ();'}{'b': 4', '18', '6, 'an optical sensor () adapted to capture the light radiation which is emitted from said light source () and is reflected from said leather hide ();'}{'b': 16', '4', '4', '6', '7, 'a member () positioned at said optical sensor (), and keeping a distance constant between said optical sensor () and said leather hide () supported on said surface ();'}{'b': 20', '4', '4, 'an optical filter () associated to said optical sensor () to extract values of chromatic components of said light radiation captured by said optical sensor (); and'}{'b': '28', 'a processing unit (), which receives the values of said chromatic components and is configured ...

APPARATUS AND METHOD FOR MEASURING OPTICAL CHARACTERISTICS OF AN OBJECT

Optical characteristic measuring systems and methods for determining the color or other optical characteristics of teeth comprising a probe body (2) wherein the probe provides light to the surface of the object (20). Perimeter receiver fiber optics (102) are spaced apart from a source fiber optic and receive light from the surface of the object (20) being measured. Light from the perimeter fiber optics passes 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 being measured wherein the numerical apertures of the receiver fiber optics are different.

Object state detection and transmission system

An object state detection and transmission system includes a spectrometer configured to measure a reflectance spectrum based on reflected light reflected by a target object, a spectroscopic terminal apparatus integrally provided with an electronic device, the spectroscopic terminal apparatus being configured to receive a measured reflection spectrum; and a server apparatus connected to the spectroscopic terminal apparatus via a communication line. The electronic device includes a photographic camera configured to photograph the target object to capture a photographed image; a Global Positioning System (GPS) communication unit configured to measure a position of the target object; a sensor configured to measure an azimuth and an angle of the target object; a Central Processing Unit (CPU) configured to clock a current time of the photographing and the measurement; and a wireless communication unit configured to transmit resultant data to the server apparatus.

HIGH INTENSITY FABRY-PEROT SENSOR

A sensor assembly having an optical fiber, a lens in optical communication with the optical fiber, a reflective surface spaced from the lens, for reflecting light from the beam back to the lens, a partially reflective surface positioned between the reflective surface and the lens, the partially reflective surface for reflecting light from the beam back to the lens, and an alignment device for aligning the lens and reflective surface with respect to one another, such that light from the beam of light transmitted from the lens reflects from the reflective surface back to the lens. The alignment device can have a rotational component and a base component, where the rotational component rotates to align a beam of light transmitted from the lens. The rotational component can also cooperate with the base component to move axially with respect to the reflective surfaces to align the beam for optimum power.

Scanner Device

A scanner device for measuring the color properties of a measured object pixel by pixel has a support surface for the measured object, a color measuring head, a drive unit for moving the color measuring head above the support surface in at least one dimension thereof and for adjusting the height of the color measuring head in the direction perpendicular to the support surface, as well as a measurement and drive control unit which activates the drive unit and co-operates with the color measuring head. It is also equipped with an electronic distance control system which adjusts the distance of the color measuring head above the measurement point in the direction perpendicular to the support surface to a desired measuring distance for every measurement point by means of the drive unit. The electronic distance control system works with measurement values generated by the color measuring head and distance values computed from them. The scanner device is suitable for running high-precision measurements ...

Terahertz spectrometer

A terahertz spectrometer includes: a terahertz-wave generating element; an elliptical mirror; an optical lens configured to apply a terahertz wave generated by the terahertz-wave generating element, obliquely to a focusing plane of a first focus of the elliptical mirror; and a terahertz-wave detecting element arranged at a second focus of the elliptical mirror.

SPECTROSCOPE

SPEKTROPHOTOMETER UND DESSEN BAUGRUPPEN

Verfahren und Vorrichtung zur Bestimmung von Wellenlängenabweichungen von Aufnahmen eines Multilinsen-Kamerasystems

Die Erfindung betrifft ein Verfahren zur Bestimmung von Wellenlängenabweichungen von Aufnahmen eines Multilinsen-Kamerasystems (1) umfassend die Schritte:- Ermittlung eines Farbfeldes (F) für einen Bereich eines Filterelements (4) des Multilinsen-Kamerasystems (1), welcher einem vorbestimmten Bereich eines Bildsensors (3) des Multilinsen-Kamerasystems (1) zugeordnet ist,- Bestimmung der Zentralwellenlänge (Z) für mindestens zwei Pixel (P1, P2) des vorbestimmten Bereichs des Bildsensors (3) basierend auf dem ermittelten Farbfeld (F),- Modifikation des Bereichs des Bildsensors (3) und/oder von Bildern (B, B1), die mit diesem Bildsensor (3) aufgenommen worden sind und/oder Erzeugen eines ergänzenden Datensatzes zu den Bildern oder zur Steuerung der Bildaufnahme, basierend auf den bestimmten Zentralwellenlängen (Z). Die Erfindung betrifft zudem eine entsprechende Vorrichtung und ein Multilinsen-Kamerasystem.

Verfahren und Vorrichtung zum Betreiben eines Spektrometers

Die Erfindung betrifft eine Vorrichtung (102) zum Betreiben eines Spektrometers (100), wobei die Vorrichtung (102) eine Ermittlungseinrichtung (122) zum Ermitteln eines Kompensationswerts (126) zum Kompensieren eines Offsets (120) eines von dem Spektrometer (100) erfassten Spektrums (104) unter Verwendung eines Winkelwerts (128) und eine Kompensationseinrichtung (124) zum Kompensieren des Spektrums (104) unter Verwendung des Kompensationswerts (126), um ein winkelkompensiertes Spektrum (130) zu erhalten aufweist, wobei der Winkelwert (128) einen Einfallswinkel (116) von Licht (106) repräsentiert, welches während eines Erfassens des Spektrums (104) auf das Spektrometer (100) eingefallen ist.

Hyperspectral imaging of a moving scene

COMBINATION EMITTER AND CAMERA ASSEMBLY

Hyperspectral imaging of a moving scene

An apparatus and method are disclosed for hyperspectral imaging of a scene along an imaging path, from a viewpoint which is arranged to move relative to the scene. The method comprises acquiring hyperspectral image data of a portion of the scene from the viewpoint, along a first viewing direction (14)relative to the viewpoint and redirecting the viewing direction from the first viewing direction to a second viewing direction (15) relative to the viewpoint, in dependence of the relative movement, to maintain a view of said portion of the scene as the viewpoint moves along a portion of the imaging path.

Spectral camera control device, spectral camera control program, spectral camera control system, aircraft equipped with said system, and spectral image capturing method

... [Problem] To provide a spectral camera control device, a spectral camera control program, a spectral camera control system, an aircraft equipped with said system, and a spectral image capturing method, with which it is possible for each of a spatial resolution and an exposure time for spectral image capture to be set arbitrarily, and with which spatial distortion and displacement of the spectral image can be suppressed. [Solution] This spectral camera control device is installed together with a spectral camera 3 provided with a liquid crystal tunable filter 33 in an aircraft 1 capable of stationary flight, and causes the spectral camera 3 to capture an image in a snapshot mode each time the transmission wavelength of the liquid crystal tunable filter 33 is switched while the aircraft 1 is in stationary flight.

Spectrometer with active beam steering

A spectrometer includes a light source that emits a beam into a sample volume comprising an absorbing medium. Thereafter, at least one detector detects at least a portion of the beam emitted by the light source. It is later determined, based on the detected at least a portion of the beam and by a controller, that a position and/or an angle of the beam should be changed. The beam emitted by the light source is then actively steered by an actuation element under control of the controller. In addition, a concentration of the absorbing media can be quantified or otherwise calculated (using the controller or optionally a different processor that can be local or remote). The actuation element(s) can be coupled to one or more of the light source, a detector or detectors, and a reflector or reflectors intermediate the light source and the detector(s).

SENSING SCANNING SYSTEM

Image sensor for measuring illumination, proximity and color temperature

PROBE HAS SHARP NEEDLE FIBREE FOR IN-DEPTH OPTICAL DIAGNOSIS OF TUMOURS.

L'invention décrit une sonde optique à aiguille fibrée tranchante (1) constituée d'une fibre optique (2) incluse dans une aiguille creuse (3) se terminant par une pointe coupante (4). La fibre optique (2) est insérée et collée dans le creux de l'aiguille puis polie de façon à épouser la forme tranchante de cette dernière. Le matériau (5) à explorer est piqué par l'aiguille. Un dispositif d'injection récupération de lumière (6) est placé à l'entrée de la fibre. La matière (5) située à l'extrémité tranchante de l'aiguille (4) rétrodiffuse la lumière incidente et génère un signal de fluorescence. Une partie de ce flux de lumière est récupérée par la pointe de l'aiguille et renvoyée vers le dispositif d'injection récupération (6). Ce dernier analyse la lumière en intensité, durée et longueur d'onde et permet un diagnostique sans prélèvement du matériau exploré en profondeur. Un télémètre optique (7) placé sur l'embout extérieur de l'aiguille permet de connaître la profondeur de la zone explorée. Le dispositif permet d'effectuer un diagnostique optique en profondeur des tumeurs dans le domaine de la cancérologie. The invention discloses a sharp fiber-optic optical probe (1) consisting of an optical fiber (2) included in a hollow needle (3) ending in a cutting tip (4). The optical fiber (2) is inserted and glued into the hollow of the needle and polished to match the cutting shape of the latter. The material (5) to be explored is stitched by the needle. A light recovery injection device (6) is placed at the entrance of the fiber. The material (5) at the cutting end of the needle (4) backscatters the incident light and generates a fluorescence signal. Part of this stream of light is recovered by the tip of the needle and returned to the recovery injection device (6). The latter analyzes the light intensity, duration and wavelength and allows a diagnosis without sampling the material explored in depth. An optical ...

PORTABLE ILLUMINATION DEVICE

The present invention relates to a portable illumination device (100) for illuminating an object (200) through a medium having an absorption coefficient, the illumination device (100) comprising a lighting unit (101) including at least two differently colored light sources (Li-L3) for emitting light having a color distribution, and a control unit (105) for adjusting the color distribution. The control unit (105) is adapted to receive a distance estimate corresponding to the distance between the illumination device (100) and the object (200), and adjust the color distribution depending on the distance estimate, such that light reflected from the object is perceived to have substantially correct color reproduction. An advantage with the invention is that an object (200) illuminated through a medium will be perceived by a user using the portable illumination device (100) as having a substantially correct color reproduction. © KIPO & WIPO 2009 ...

Método y sistema para la obtención de imágenes hiperespectrales subacuáticas de los impactos del fondo marino, el estado del medio ambiente o la huella ambiental.

MÉTODO Y SISTEMA PARA OBTENER IMÁGENES HIPERESPECTRALES SUBACUÁTICAS DE LOS IMPACTOS DEL FONDO MARINO, EL ESTADO AMBIENTAL O LA HUELLA AMBIENTAL DESDE SEDIMENTACIÓN NATURAL O ARTIFICIAL QUE COMPRENDE IMÁGENES HIPERESPECTRALES DE INDICADORES ECOLÓGICOS, QUÍMICOS O DE SEDIMENTOS EN UN ÁREA DE OBSERVACIÓN (100) E IDENTIFICAR Y CLASIFICAR INDICADORES ECOLÓGICOS, QUÍMICOS O DE SEDIMENTOS EN EL ÁREA DE OBSERVACIÓN (100).

METHOD AND APPARATUS FOR NONINVASIVE PROPE/SKIN TISSUE CONTACT SENSING

The invention relates to a method and apparatus for performing noninvasive analyte property determination. More particularly, the invention relates to determining proximity and/or contact of an optical sample probe with skin tissue.

CHARGED PARTICLE BEAM PROCESSING SYSTEM WITH VISUAL AND INFRARED IMAGING

A charged particle beam system for processing substrates is disclosed, comprising a charged particle column, combination infrared radiation and visible light illumination and imaging subsystems, in-vacuum optics, and a precision stage for supporting and positioning the substrate alternately under the charged particle column and the imaging system. The axes of the charged particle column and imaging system are offset to enable much closer working distances for both imaging and beam processing than would be possible in a single integrated assembly. A method for extremely accurately calibrating the offset between the column and imaging system is disclosed, enabling beam processing at precisely-determined locations on the substrate. The imaging system is capable of locating sub-surface features on the substrate which cannot be seen using the charged particle beam. Two illumination modes are disclosed, enabling both bright-field and dark-field imaging in infrared radiation and visible light.

LIGHT SOURCE TRACKING IN OPTICAL METROLOGY SYSTEM

The present invention may include loading a diagnostic sample onto a sample stage, focusing light from an illumination source disposed on a multi-axis stage onto the diagnostic sample, collecting a portion of light reflected from a surface of the diagnostic sample utilizing a detector, wherein the illumination source and the detector are optically direct-coupled via an optical system, acquiring a set of diagnostic parameters indicative of illumination source position drift from the diagnostic sample, determining a magnitude of the illumination source position drift by comparing the acquired set of diagnostic parameters to an initial set of parameters obtained from the diagnostic sample at a previously measured alignment condition, determining a direction of the illumination source position drift; and providing illumination source position adjustment parameters configured to correct the determined magnitude and direction of the illumination source position drift to the multi-axis actuation ...

SPECTROMETER WITH ACTIVE BEAM STEERING

A spectrometer includes a light source that emits a beam into a sample volume comprising an absorbing medium. Thereafter, at least one detector detects at least a portion of the beam emitted by the light source. It is later determined, based on the detected at least a portion of the beam and by a controller, that a position and/or an angle of the beam should be changed. The beam emitted by the light source is then actively steered by an actuation element under control of the controller. In addition, a concentration of the absorbing media can be quantified or otherwise calculated (using the controller or optionally a different processor that can be local or remote). The actuation element(s) can be coupled to one or more of the light source, a detector or detectors, and a reflector or reflectors intermediate the light source and the detector(s).

Image sensor for measuring illumination, proximity and color temperature

Disclosed is an image sensor for measuring illumination, proximity and color temperature, including: a light source unit configured to irradiate infrared with a wavelength of a specific band onto an object; a light source controller configured to control power supplied to the light source unit; an infrared transmission filter configured to allow only the infrared and visible ray with the wavelength of the specific band among light incident through a lens after being reflected by the object to selectively transmit therethrough; a first sensing unit provided with an image pixel for acquiring an image of the object introduced through the infrared transmission filter; and a second sensing unit configured to receive the infrared and the visible ray having passed through the infrared transmission filter and measure current illumination, proximity to the object and color temperature of the object.

Substance detection, inspection and classification system using enhanced photoemission spectroscopy

A handheld or portable detection system with a high degree of specificity and accuracy, capable of use at small and substantial standoff distances (e.g., greater than 12 inches) is utilized to identify specific substances and mixtures thereof in order to provide information to officials for identification purposes and assists in determinations related to the legality, hazardous nature and/or disposition decision of such substance(s). The system uses a synchronous detector and visible light filter to enhance detection capabilities.

Handheld color measurement instrument

The specification discloses a handheld color measurement instrument capable of reading both barcodes and sample colors. The instrument includes a single color measurement engine connected to a control capable of detecting and reading barcodes. When a barcode is detected, the control updates program and/or configuration information in accordance with information contained in the barcode. When a barcode is not detected, the control operates to read sample colors.

Device and method for the space-colorimetric measurement of a three-dimensional object

The disclosure relates to a device and a method for the space-colorimetric measurement of a three-dimensional object, in order to digitally model the low-relief and the colorimetric coordinates of this object according to multiple analysis points. In order to do so, the measuring device of the disclosure combines a lighting means with at least four optical detection means, including at least two twin detection means sensitive to substantially identical light wavelength ranges, in order to determine by stereoscopic effect the low-relief of the object analysed. The disclosure thus proposes a device for the space-colorimetric measurement of a three-dimensional object, that comprises a detection head including a lighting means for the object and at least four detection means for detecting the light reflected by the object, wherein said device further includes a unit for processing the information received by the detection means. At least two twin detection means are sensitive to substantially identical light wavelength ranges.

Sloped structure, method for manufacturing sloped structure, and spectrum sensor

A method for manufacturing a sloped structure is disclosed. The method includes the steps of: (a) forming a sacrificial film above a substrate; (b) forming a first film above the sacrificial film; (c) forming a second film having a first portion connected to the substrate, a second portion connected to the first film, and a third portion positioned between the first portion and the second portion; (d) removing the sacrificial film; and (e) bending the third portion of the second film after the step (d), thereby sloping the first film with respect to the substrate.

Two-dimensional imager with solid-state auto-focus

An imaging system having a solid-state auto focusing system advantageously images broadband light reflected from an object to be imaged using a lens objective having chromatic aberration, which focuses different colors of light at different focal planes. Using the color information in the focal planes in conjunction with an object distance determined by a range finder, a luminance plane is constructed that has a focused image of the object. The system provides the focused image of the object without the use of any moving parts.

Opto-electronic system for radiometric measurements

An electro-optical system for the carrying out of radiometric measurements of luminous sources comprises an instrument equipped with: a sensor comprising a pixel matrix, an optical system for creating the image of an external luminous source on the sensitive surface of the sensor, an optical bandpass filter, interposed between the sensor and the external luminous source for separating the spectrum of radiation emitted by the external luminous source into two portions: the first portion having a relatively limited bandwidth is transmitted toward the sensor while the second does not reach the sensor; moreover, the system comprises a computer which, starting from the plurality of monochromatic images recorded from the sensor, allows the calculating both of the angular distribution of the incident luminous radiation on the instrument and the irradiance on the normal plane in the direction from which the luminous radiation originates.

Surgical visualization with proximity tracking features

A surgical visualization system is disclosed. The surgical visualization system is configured to identify one or more structure(s) and/or determine one or more distances with respect to obscuring tissue and/or the identified structure(s). The surgical visualization system can facilitate avoidance of the identified structure(s) by a surgical device. The surgical visualization system can comprise a first emitter configured to emit a plurality of tissue-penetrating light waves and a second emitter configured to emit structured light onto the surface of tissue. The surgical visualization system can also include an image sensor configured to detect reflected visible light, tissue-penetrating light, and/or structured light. The surgical visualization system can convey information to one or more clinicians regarding the position of one or more hidden identified structures and/or provide one or more proximity indicators.

Spectral detector and spectral detecting method using the same

A spectral detector includes a grating panel including a first grating pattern having a first period, a second grating pattern having a second period that is different from the first period, and a light exit surface through light exits the grating panel, and an optical measurement panel arranged to face the light exit surface of the grating panel, and configured to measure a change in intensity of first light passing through the first grating pattern according to a propagation distance of the first light, and to measure a change in intensity of second light passing through the second grating pattern according to a propagation distance of the second light.

COMPACT LIGHT SENSOR

Provided are methods and systems for concurrent imaging at multiple wavelengths. In one aspect, a hyperspectral/multispectral imaging device includes a lens configured to receive light backscattered by an object, a plurality of photo-sensors, a plurality of bandpass filters covering respective photo-sensors, where each bandpass filter is configured to allow a different respective spectral band to pass through the filter, and a plurality of beam splitters in optical communication with the lens and the photo-sensors, where each beam splitter splits the light received by the lens into a plurality of optical paths, each path configured to direct light to a corresponding photo-sensor through the bandpass filter corresponding to the respective photo-sensor. 130.-. (canceled)31. An imaging device , comprising:a lens disposed along an optical axis and configured to receive light, wherein the lens has a fixed focal distance;one or more photo-sensors;an optical path assembly in optical communication with the lens and the one or more photo-sensors; and when the surface is located at the fixed focal distance from the lens along the optical axis, the composite image forms a first pattern of light onto the surface, and', 'when the surface is located at a distance other than the fixed focal distance from the lens along the optical axis, the composite image forms a pattern of light that is different than the first pattern of light onto the surface., 'at least two projectors, wherein the at least two projectors are configured to project a composite image onto a surface positioned in front of the lens, wherein32. The imaging device of claim 31 , wherein each of the at least two projectors are configured to project a same respective individual pattern of light such that:when the surface is located at the fixed focal distance from the lens along the optical axis, the respective individual pattern of light projected from each of the at least two projectors converge on the surface, ...

COMPUTER STORAGE MEDIUM, NETWORK SYSTEM FOR DISTRIBUTING SPECTRAL CAMERA CONTROL PROGRAM AND SPECTRAL IMAGE CAPTURING METHOD USING SPECTRAL CAMERA CONTROL DEVICE

A spectral image capturing method using a spectral camera control device installed in aircraft, the method comprising: 113-. (canceled)14. A computer storage medium for storing a spectral camera control program , being installed , along with a spectral camera provided with a liquid crystal tunable filter , in an aircraft capable of stationary flight , the control program comprising:step of causing a computer, which is installed in the aircraft, to function as a spectral camera control device which causes the spectral camera to capture a spectral image in a snapshot mode each time a transmission wavelength of the liquid crystal tunable filter is switched while the aircraft is in stationary flight,step of causing the computer to set an exposure time of the spectral camera to a shorter time than a current exposure time when either one of an amount of attitude change and an amount of position change of the spectral camera per exposure time in the spectral camera exceeds a predetermined threshold based on a spatial resolution of the spectral camera, and {'br': None, 'i': T Подробнее

PORTABLE GONIOSPECTROMETER WITH CONSTANT OBSERVATION CENTRE

A transportable goniospectrometer with a constant observation centre for the radiometric measurement of the reflexion behaviour of a natural surface includes a spectrometer having an optical unit and a sensor. A main pillar has a lower and an upper pillar end. An arc has a fixed and a free arc end. A slide is disposed displaceably and fixably along the arc. The slide carries the optical unit orientated towards the observation centre. A cantilever has a fixed cantilever end connected to the upper pillar end via a screw connection, and a free cantilever end which has a suspension that is rotatable and fixable about a vertical axis. The suspension is connected to the sensor and to the fixed arc end of the arc. The suspension is configured to position the arc at a distance of the arc radius of the arc above the natural surface. 124-. (canceled)25. A transportable goniospectrometer with a constant observation centre for the radiometric measurement of the reflexion behaviour of a natural surface , the goniospectrometer comprising:a spectrometer having an optical unit and a sensor, the optical unit being connected to the sensor via an optical fibre;a main pillar having a lower and an upper pillar end, the main pillar including a support with respect to the natural surface;an arc having a fixed and a free arc end;a slide disposed displaceably and fixably along the arc, the slide carrying the optical unit orientated towards the observation centre; anda cantilever having a fixed and a free cantilever end, the fixed cantilever end being connected to the upper pillar end of the main pillar via a screw connection, the free cantilever end having a suspension that is rotatable and fixable about a vertical axis aligned perpendicularly to the natural surface, the suspension being connected to the sensor of the spectrometer and to the fixed arc end of the arc, the suspension being configured to position the arc at a distance of the arc radius of the arc above the natural surface.26. ...

Electronic Devices With An Alignment-Free Spectrometer

An electronic device such as a portable electronic device may include a single-shot alignment-free spectrometer with no moving parts. The spectrometer may include a diffractive member, such as a grating, an aperture, and an image sensor that generates data in response to incident light. The diffractive member may diffract the incident light based on its wavelength and angle of incidence, and the aperture may further encode the light. The data generated by the image sensor may be used by control circuitry in combination with correlations between spectrometer measurements and known light profiles to determine the wavelength and angle of incidence of the light. These correlations may be determined using a deep neural network. Control circuitry may adjust one or more settings of the electronic device based on the wavelength and angle of incidence, or may use the wavelength and angle of incidence to determine information regarding an external object. 1. A portable electronic device comprising:a housing having a window;a display mounted in the housing; a diffractive member that diffracts the incident light based on the wavelength and the angle of incidence,', 'an aperture through which the incident light passes, and', 'an image sensor that generates the spectrometer data; and, 'a spectrometer in the housing and configured to produce spectrometer data in response to incident light that passes through the window in the housing, wherein the incident light has a wavelength and an angle of incidence and wherein the spectrometer comprisescontrol circuitry configured to determine the wavelength and the angle of incidence of the incident light based on the spectrometer data.2. The portable electronic device defined in wherein the incident light is ambient light and wherein the control circuitry is configured to adjust at least one display setting of the display based on the wavelength and the angle of incidence of the ambient light.3. The portable electronic device defined in ...

Object movement control device and fourier transform infrared spectrophotometer

Feedback control of an object which moves back and forth in a straight line along a linear guide is performed through PID control. A parameter adjustment unit which determines the control parameters to be used for PID control performs feedback control and determines the optimal value of control parameters by means of an evaluation function based on the error between the measured value of the current velocity and the target velocity, for the control parameters of maximum reverse voltage and at least one from among proportional coefficient (C P ), differential coefficient C D ), integral coefficient C I ), and frictional coefficient (C F ).

REFLECTOMETER, ELECTRONIC DEVICE AND METHOD

A reflectometer has a depth sensor which obtains distance information between the depth sensor and an object, a light source which emits light having a calibrated light spectrum, a spectral sensor which collects spectral information from light reflected from the object, and a circuitry. The circuitry calculates a reflectance spectrum for the object based on the distance information and the spectral information collected from light being reflected from the object, wherein the light originates from the light source. 1. A reflectometer , comprising:a depth sensor configured to obtain distance information between the depth sensor and an object,a light source for emitting light having a calibrated light spectrum,a spectral sensor configured to collect spectral information from light reflected from the object, anda circuitry configured to:calculate a reflectance spectrum for the object based on the distance information and the spectral information collected from light being reflected from the object, the light originating from the light source.2. The reflectometer of claim 1 , wherein the light source is a calibrated light source.3. The reflectometer of claim 1 , wherein the circuitry is further configured to determine the calibrated light spectrum.4. The reflectometer of claim 1 , wherein the circuitry is further configured to calculate the reflectance spectrum for the object based on spectral information collected from ambient light being reflected from the object.5. The reflectometer of claim 4 , wherein the circuitry is further configured to calculate a difference between the ambient light spectral information being representative of a light spectrum of ambient light being reflected from the object and the calibrated light spectral information being representative of a light spectrum of light originating from the light source and being reflected from the object.6. The reflectometer of claim 1 , wherein the circuitry is further configured to drive the light source and ...

Measuring instrument, measurement system, measurement position positioning method and measurement position positioning program using the same

A measurement system is capable of accurately aligning the corresponding measurement points of a plurality of measurement targets to evaluate the measurement targets from measurement results. A measurement system includes a measuring instrument and a PC, the measuring instrument includes a spectroscopic unit that measures a measurement point of a measurement target and a camera that images surroundings in real-time. The PC displays an evaluation image of continuous image information, which is imaged and displayed by the camera on a display screen so as to be superimposed on a reference image of still image information, which has been imaged and stored in memory. By comparing the data obtained by measuring the measurement point in the evaluation image when both images overlap each other and the measurement data of the point in the reference image, it is possible to perform positioning easily and compare the measurement data.

A SNAPSHOT-TYPE POLARIZED HYPERSPECTRAL CAMERA AND AN IMAGING METHOD

Disclosed are a snapshot-type polarized hyperspectral camera and an imaging method. The camera comprises polarizers (), an image sensor (), and a spectra filter (). The spectra filter () is located on the image sensor (). The polarizers () are located on one side of the image sensor (). The method comprises: shielding and transmitting incident light by means of polarizers (), so as to obtain light signals () with different polarizing angles; receiving, by means of an image sensor (), the light signals with different polarizing angles, which are obtained by the polarizers (), and converting the light signals with different polarizing angles into electric signals (); and receiving, by means of a spectra filter (), the electric signals converted by the image sensor (), and filtering the electric signals, so as to obtain high-frequency electric signals () with a preset wavelength. By integrating a spectra filter () on a tiled pixel array of a sensor, a rapidly changing scene can be imaged; and meanwhile, by sticking a plurality of polarizers () into each channel with a specific wavelength, more exquisite imaging is realized. 1. A snapshot-type polarized hyperspectral camera , characterized in that , it comprises polarizers , an image sensor and a spectra filter , the spectra filter being located on the image sensor , and the polarizers being located on one side of the image sensor;three polarizers are stuck into a first region, a second region and a third region of a channel with a preset wavelength at a first preset angle, a second preset angle and a third preset angle, respectively, the channel is divided into four regions, and the polarizers are used to shield and transmit incident light, so as to obtain light signals with different polarizing angles;the image sensor is used to receive the light signals with different polarizing angles, which are obtained by the three polarizers, and convert the light signals with different polarizing angles into electric signals;the ...

Spectral camera control device, spectral camera control program, spectral camera control system, aircraft equipped with said system, and spectral image capturing method

This spectral camera control device is installed together with a spectral camera 3 provided with a liquid crystal tunable filter 33 in an aircraft 1 capable of stationary flight, and causes the spectral camera 3 to capture an image in a snapshot mode each time the transmission wavelength of the liquid crystal tunable filter 33 is switched while the aircraft 1 is in stationary flight.

FOCUS SCANNING APPARATUS RECORDING COLOR

Disclosed are a scanner system and a method for recording surface geometry and surface color of an object where both surface geometry information and surface color information for a block of the image sensor pixels at least partly from one 2D image recorded by the color image sensor. A particular application is within dentistry, particularly for intraoral scanning. 1. (canceled)2. A scanner system for recording surface geometry and surface color of an object , the scanner system comprising:a multichromatic light source configured to provide a multichromatic probe light for illumination of the object,at least one image sensor comprising an array of image sensor pixels to capture one or more 2D images of light received from the object, the at least one image sensor is arranged to capture 2D images of light received from the object, anda data processing system configured to use triangulation to derive surface geometry information for a first set of image pixels within a block of the image sensor pixels from a series of 2D images recorded by the at least one image sensor,the data processing system further configured to derive surface color information for a second set of image pixels within the block of the image sensor pixels from at least three 2D images recorded by the at least one image sensor, wherein the surface color information is obtained by combining the second set of the image sensor pixels from the at least three 2D images,where a first image of the at least three 2D images is recorded during illumination by an LED die having a first color,where a second image of the at least three 2D images is recorded during illumination by an LED die having a second color,where a third image of the at least three 2D images is recorded during illumination by a an LED die having a third color,wherein the first set of the image sensor pixels is different from the second set of the image sensor pixels, andwherein the at least three 2D images to derive surface color ...

SPECTROMETER WITH ACTIVE BEAM STEERING

A spectrometer includes a light source that emits a beam into a sample volume comprising an absorbing medium. Thereafter, at least one detector detects at least a portion of the beam emitted by the light source. It is later determined, based on the detected at least a portion of the beam and by a controller, that a position and/or an angle of the beam should be changed. The beam emitted by the light source is then actively steered by an actuation element under control of the controller. In addition, a concentration of the absorbing media can be quantified or otherwise calculated (using the controller or optionally a different processor that can be local or remote). The actuation element(s) can be coupled to one or more of the light source, a detector or detectors, and a reflector or reflectors intermediate the light source and the detector(s). 1. An apparatus comprising:a light source configured to emit a beam into a sample volume comprising an absorbing medium;at least one detector positioned to detect at least a portion of the beam emitted by the light source;at least one actuation element configured to selectively cause the beam emitted by the light source to be steered; anda controller coupled to the at least one actuation element, the controller element configured to at least cause the at least one actuation element to steer the beam to adjust a position and/or an angle of the beam.2. The apparatus of claim 1 , wherein the at least one actuation element is coupled to the light source and/or the at least one detector.3. (canceled)4. The apparatus of claim 1 , wherein the at least one actuation element is coupled to a transmissive optical element and/or a reflective optical element intermediate the light source and the at least one detector.5. The apparatus of claim 1 , wherein the absorbing medium comprises a gas claim 1 , a liquid claim 1 , a reflective media claim 1 , an emitting media claim 1 , and/or a Raman active media.6. The apparatus of claim 1 , further ...

Spectrometer and integrating sphere

An integrating sphere for a spectrometer, including: an integrating spherical body with a light entrance window for allowing an entry of light emitted from a sample, a first light detection window, and a second light detection window; a first detector attachment section located on the outside of the first light detection window; and a second detector attachment section located on the outside of the second light detection window in such a manner that the detection field of a detector to be attached to the second detector attachment section coincides with the detection field of a detector to be attached to the first detector attachment section.

COMPACT LIGHT SENSOR

Provided are methods and systems for concurrent imaging at multiple wavelengths. In one aspect, a hyperspectral/multispectral imaging device includes a lens configured to receive light backscattered by an object, a plurality of photo-sensors, a plurality of bandpass filters covering respective photo-sensors, where each bandpass filter is configured to allow a different respective spectral band to pass through the filter, and a plurality of beam splitters in optical communication with the lens and the photo-sensors, where each beam splitter splits the light received by the lens into a plurality of optical paths, each path configured to direct light to a corresponding photo-sensor through the bandpass filter corresponding to the respective photo-sensor. 1. An imaging device , comprising:a lens disposed along an optical axis and configured to receive light;a plurality of photo-sensors;an optical path assembly comprising a plurality of beam splitters in optical communication with the lens and the plurality of photo-sensors; and each respective beam splitter in the plurality of beam splitters is configured to split the light received by the lens into at least two optical paths,', 'a first beam splitter in the plurality of beam splitters is in direct optical communication with the lens and a second beam splitter in the plurality of beam splitters is in indirect optical communication with the lens through the first beam splitter, and', 'the plurality of beam splitters collectively split light received by the lens into a plurality of optical paths, wherein each respective optical path in the plurality of optical paths is configured to direct light to a corresponding photo-sensor in the plurality of photo-sensors through the respective multi-bandpass filter covering the corresponding photo-sensor., 'a plurality of multi-bandpass filters, wherein each respective multi-bandpass filter in the plurality of multi-bandpass filters covers a corresponding photo-sensor in the ...

METHOD OF EVALUATING SURFACE STATE OF INSPECTION TARGET, EVALUATION DEVICE, METHOD OF CONTROLLING EVALUATION DEVICE, AND CONTROL PROGRAM OF EVALUATION DEVICE

One point on a surface of a qualified article is measured in advance by a color sensor without contact, and a qualification reference value is set based on an output value thereof. Thereafter, one point on a surface of an inspection target of same design specifications as the qualified article is measured by the color sensor without contact, and an output value thereof is compared with the qualification reference value, and qualification/failure is judged. Because qualification/failure can be carried out without contacting an inspection target in this way, application to a high-speed production line is possible. 1. A method for evaluating a surface state of an inspection target by using a color sensor , the color sensor having a light projecting portion and a light receiving portion , the color sensor being configured such that light is illuminated from the light projecting portion , is reflected at an inspection target surface , and is received at the light receiving portion , and the color sensor computing an output value corresponding to a color of the inspection target from light intensities of red , blue and green that are received at the light receiving portion , the method comprising:measuring, in advance and by the color sensor, one point on a surface of a qualified article without contacting the surface, and, based on the output value from the color sensor, setting, by a computer, a qualification reference value;thereafter, measuring, by the color sensor without contact, one point on a surface of an inspection target having the same design specifications as the qualified article;after the qualification reference value is set, comparing, by the computer, the output value of the inspection target, or a corrected value, with the qualification reference value, the output value of the inspection target being output from the color sensor, and the corrected value being obtained by correcting the output value of the inspection target in accordance with measuring ...

Analyzing surgical trends by a surgical system

Various surgical systems configured to analyze surgical procedure trends are disclosed. The surgical systems can further be configured to provide recommendations and/or adjust control algorithms executed by the surgical systems according to the identified trends. The identified trends can be utilized to determine a baseline or recommended action to be performed at a decision point in a surgical procedure. The surgical systems can be configured to provide preoperative, intraoperative, or postoperative feedback to users based on their decisions at the decision points relative to the determined baseline or recommended actions.

GRATING ROTATION METHOD AND APPARATUS FOR IMPROVING SPECTROGRAPH WAVELENGTH ACCURACY

The present disclosure provides a grating rotation method and apparatus for improving spectrograph wavelength accuracy. The grating rotation method comprises: acquiring a start wavelength and an end wavelength of a scanning range; determining a start angle and an end angle of a grating rotation according to preset grating rotation angle series values, the start wavelength and the end wavelength, wherein a wavelength corresponding to the start angle is smaller than the start wavelength, and a wavelength corresponding to the end angle is larger than the end wavelength; and rotating the grating according to the start angle and the end angle to obtain required spectral information. According to the grating rotation scheme provided by the present disclosure, the problem that the obtained spectral accuracy is inconsistent due to different grating rotation angles can be avoided. 1. A grating rotation method for improving spectrograph wavelength accuracy , comprising:acquiring a start wavelength and an end wavelength of a scanning range;determining a start angle and an end angle of a grating rotation according to preset grating rotation angle series values, the start wavelength and the end wavelength, wherein a wavelength corresponding to the start angle is smaller than the start wavelength, and a wavelength corresponding to the end angle is larger than the end wavelength; androtating the grating according to the start angle and the end angle to obtain required spectral information.2. The grating rotation method according to claim 1 , wherein determining a start angle and an end angle of a grating rotation according to preset grating rotation angle series values claim 1 , the start wavelength and the end wavelength comprises:determining a first wavelength smaller than and closest to the start wavelength among wavelengths corresponding to the preset grating rotation angle series values, wherein an angle corresponding to the first wavelength is the start angle;determining a ...

THREE-DIMENSIONAL HYPERSPECTRAL IMAGING SYSTEMS AND METHODS USING A LIGHT DETECTION AND RANGING (LIDAR) FOCAL PLANE ARRAY

A system for three-dimensional hyperspectral imaging includes an illumination source configured to illuminate a target object; a dispersive element configured to spectrally separate light received from the target object into different colors; and a light detection and ranging focal plane array (FPA) configured to receive the light from the dispersive element, configured to acquire spatial information regarding the target object in one dimension in the plane of the FPA, configured to acquire spectral information in a second dimension in the plane of the FPA, wherein the second dimension is perpendicular to the first dimension, and configured to obtain information regarding the distance from the FPA to the target object by obtaining times of flight of at least two wavelengths, thereby imaging the target object in three dimensions and acquiring spectral information on at least one 3D point. 1. A system for three-dimensional (3D) hyperspectral imaging , comprising:an illumination source configured to illuminate a target object using broadband laser light;an objective optical element configured to receive light from the target object and to collect the light;a slit element configured to receive the light from the objective optical element and to spatially filter the light;a dispersive element configured to spectrally separate the light into different colors;collimating optics configured to collimate the light onto the dispersive element;focusing optics configured to refocus the spectrally separated light; anda light detection and ranging (LIDAR) focal plane array (FPA) configured to receive the light from the focusing optics and to detect a single photon of light, the FPA comprising an integrated circuit configured to operate in a gated mode, the FPA configured to acquire spatial information regarding the target object in one dimension in the plane of the FPA, configured to acquire spectral information in a second dimension in the plane of the FPA, wherein the second ...

FOCUS SCANNING APPARATUS RECORDING COLOR

Disclosed are a scanner system and a method for recording surface geometry and surface color of an object where both surface geometry information and surface color information for a block of the image sensor pixels at least partly from one 2D image recorded by the color image sensor. A particular application is within dentistry, particularly for intraoral scanning. 1a multichromatic light source configured for providing a multichromatic probe light for illumination of the object,a color image sensor comprising an array of image sensor pixels for capturing one or more 2D images of light received from said object, anda data processing system configured for deriving both surface geometry information and surface color information for a block of said image sensor pixels at least partly from one 2D image recorded by said color image sensor.. A scanner system for recording surface geometry and surface color of an object, the scanner system comprising: The present application is a continuation of U.S. application Ser. No. 14/764,087, filed on Jul. 28, 2015, which is a U.S. National Stage of International Application No. PCT/EP2014/052842, filed on Feb. 13, 2014, which claims the benefit of U.S. Provisional Application No. 61/764,178, filed on Feb. 13, 2013, and the benefit of Danish Application No. PA 2013-70077, filed on Feb. 13, 2013. The entire contents of each of U.S. application Ser. No. 14/764,087, International Application No. PCT/EP2014/052842, U.S. Provisional Application No. 61/764,178, and Danish Application No. PA 2013-70077 are hereby incorporated herein by reference in their entirety.The application relates to three dimensional (3D) scanning of the surface geometry and surface color of objects. A particular application is within dentistry, particularly for intraoral scanning.3D scanners are widely known from the art, and so are intraoral dental 3D scanners (e.g., Sirona Cerec, Cadent Itero, 3Shape TRIOS).The ability to record surface color is useful in many ...

HYPERSPECTRAL IMAGING OF A MOVING SCENE

An apparatus and method are disclosed for hyperspectral imaging of a scene along an imaging path, from a viewpoint which is arranged to move relative to the scene. The method comprises acquiring hyperspectral image data of a portion of the scene from the viewpoint, along a first viewing direction relative to the viewpoint and redirecting the viewing direction from the first viewing direction to a second viewing direction relative to the viewpoint, in dependence of the relative movement, to maintain a view of said portion of the scene as the viewpoint moves along a portion of the imaging path. 1. A method for hyperspectral imaging of a scene along an imaging path , from a viewpoint which is arranged to move relative to the scene , the method comprising:acquiring hyperspectral image data of a portion of the scene from the viewpoint, along a first viewing direction relative to the viewpoint; andredirecting the viewing direction from the first viewing direction to a second viewing direction relative to the viewpoint, in dependence of the relative movement, to maintain a view of said portion of the scene as the viewpoint moves along a portion of the imaging path.2. A method according to claim 1 , further comprising redirecting the viewing direction from the second viewing direction back to the first viewing direction claim 1 , to acquire hyperspectral image data of a further portion of the scene from the viewpoint.3. A method according to claim 1 , wherein the hyperspectral image data is acquired via a reflecting member claim 1 , which is arranged to reflect an image of the portion of the scene onto a hyperspectral sensor.4. A method according to claim 3 , wherein the viewing direction is varied between the first and second viewing directions by rotating the reflecting member between first and second angular orientations claim 3 , respectively.5. Apparatus for hyperspectral imaging of a scene along an imaging path claim 3 , from a viewpoint which is arranged to move ...

IMAGING SYSTEMS AND METHODS

An imaging method includes assigning pixels within the extent of a focal plane array active area to a first readout range and a second readout range. Image data is read out from the pixels assigned to the first readout range and the second readout range. Pixels located within the extend of the focal plane array active area and not assigned to the first readout range or the second readout range are left unread. Imaging systems and hyperspectral imaging arrangements are also described. 1. An imaging method , comprising:assigning pixels within a focal plane (FPA) active area extent to a first readout range and a second readout range;reading out image data from pixels assigned to the first readout range;reading out image data from pixels assigned to the second readout range; andleaving unread pixels located within the FPA active area extent and not assigned to the first readout range or the second readout range.2. The imaging method as recited in claim 1 , wherein the second readout range abuts the first readout range.3. The imaging method as recited in claim 1 , wherein the second readout range is spaced apart from the first readout range.4. The imaging method as recited in claim 1 , further comprising applying a first gain to a first set of pixels within the first readout range claim 1 , and applying a second gain to a second set of pixels within the first readout range.5. The imaging method as recited in claim 1 , applying a slit of illumination to the pixels assigned to the first readout range.6. The imaging method as recited in claim 5 , wherein pixels outside of the first readout range and the second readout range do not receive illumination.7. The imaging method as recited in claim 5 , wherein the slit of illumination includes illumination having a first wavelength and a second wavelength claim 5 , wherein illumination having the second wavelength is incident the FPA at a location spaced apart from illumination incident the FPA and having the first wavelength.8. ...

Analyzing surgical trends by a surgical system

Various surgical systems configured to analyze surgical procedure trends are disclosed. The surgical systems can further be configured to provide recommendations and/or adjust control algorithms executed by the surgical systems according to the identified trends. The identified trends can be utilized to determine a baseline or recommended action to be performed at a decision point in a surgical procedure. The surgical systems can be configured to provide preoperative, intraoperative, or postoperative feedback to users based on their decisions at the decision points relative to the determined baseline or recommended actions.

Spectrometry device, image forming apparatus, and spectrometry method

A printer that incorporates a spectrometry device includes a spectroscope, a distance measurer, and a spectrometry unit. The spectroscope includes a wavelength-selective interference filter on which light from a position of measurement in a medium is incident. The distance measurer measures the distance between the position of measurement and the spectroscope, and the spectrometry unit performs spectrometry at the position of measurement by using the spectroscope and correct a measured value obtained by the spectrometry based on the measured distance.

Direction-selective interferometric optical filter

A direction-selective interferometric optical filter for spectrometric devices, at least includes an arrangement of two layered one-dimensional photonic structures. Each of the two structures contains a defect layer, and each photonic structure has a dispersion function in the energy momentum space (E, kx, ky), wherein kx and ky are momentum components of transmitted photons of the photonic structures for a defined energy (frequency/wavelength) E in the energy momentum space. Both photonic structures have opposite interfaces which are at a plane-parallel distance from one another. In this case, the dispersion functions of both photonic structures cross or intersect in the energy momentum space and produce a cut set of rays of waves on the surfaces of the dispersion functions at a particular energy, wherein a ray of waves contains waves selectively chosen through the filter at an angle, while other waves are reflected by the filter at other angles.

COLOR MEASUREMENT SYSTEMS, DEVICES, AND METHODS

Color measurement instruments and processes provide automated and accurate color measurements. Sensor to sample distance is automatically adjusted by the instrument over the course of measurement collection. Adaptive parameters may include turntable speed, illumination spectrum, laser gain setting, number of measurement samples, duration of sampling, sample color measurement threshold, and distance variation measurement threshold. 121-. (canceled)22. A method of performing non-contact color measurements with a color measurement instrument , comprisingcollecting one or more preliminary measurements of a specific sample with the color measurement instrument, at least one of the preliminary measurements being performed using a default setting;adapting the color measurement instrument to the specific sample by automatically adjusting one or more measurement parameters or control points of the color measurement instrument based on the one or more preliminary measurements; andcollecting one or more final measurements of the specific sample using the adaptively adjusted measurement parameters or control points.23. The method of claim 22 , wherein the collection of the one or more final measurements of the specific sample is performed prior to any touching or disturbing of the specific sample since the collection of the one or more preliminary measurements.24. The method of claim 22 , wherein the adaptively adjusted measurement parameters or control points include one or more of turntable speed claim 22 , illumination spectrum claim 22 , laser gain setting claim 22 , number of measurement samples claim 22 , and duration of sampling.25. The method of claim 22 , wherein the adaptively adjusted measurement parameters or control points include one or more of sample color measurement threshold and distance variation measurement threshold.26. The method of claim 22 , wherein the preliminary measurements and final measurements both include reflectance.27. The method of claim 26 , ...

SPECTROSCOPIC SENSOR DEVICE AND ELECTRONIC EQUIPMENT

A spectroscopic sensor that applies lights in a wavelength band containing plural wavelengths to an object and spectroscopically separates reflected lights or transmitted lights from the object using plural light band-pass filters that transmit the respective specific wavelengths and plural photosensor parts to which corresponding transmitted lights are input based on output results of independent photosensors. The spectroscopic sensor may be integrated in a semiconductor device or module by integration using a semiconductor process and downsizing may be realized. 1. A pulsimeter comprising:a light source unit that transmits light to a body of a user; anda spectroscopic sensor that receives incident light from the light source unit reflected from or transmitted through the body of the user;the spectroscopic sensor including:a photosensor that has an impurity area formed on a semiconductor substrate,an angle limiting filter that includes a plurality of light blocking materials which have electrical conductivity.2. The pulsimeter of claim 1 , whereinthe light blocking material includes a light absorbing material.3. The pulsimeter of claim 1 , whereinthe light blocking material is formed by a conducting plug provided in an insulating material disposed on the semiconductor substrate.4. The pulsimeter of claim 3 , whereinthe conducting plug is formed in a contact hole provided in the insulating material.5. The pulsimeter of claim 1 , whereinthe light blocking material is comprised of tungsten or titanium nitride.6. The pulsimeter of claim 1 , whereinthe angle limiting filter is disposed on the impurity area formed on a semiconductor substrate.7. The pulsimeter of claim 1 , whereinthe plurality of light blocking materials forms in lattice form in a plan view.8. The pulsimeter of claim 1 , whereinthe angle limiting filter transmits an electrical signal from the impurity region.9. The pulsimeter of claim 1 , whereinthe angle limiting filter is an electrode of the ...

Optical Analysis Device And Optical Analysis Method

A difference between a peak reflectance of a first wavelength component and a reflectance of a second wavelength component having a predetermined wavelength among reflectances of a plurality of wavelength components constituting reflected light in a highlight direction from a glitter material-containing coating film is set as a first difference value. Reflectance is measured of the first and second wavelength components of the reflected light in the highlight direction for the coating film corresponding to a measurement object. A first difference value is calculated by using the measurement result. A storage stores in advance correlation information indicating a correlation between the first difference value and an index value indicating predetermined physical characteristics of a glitter material contained in the coating film. An index value calculator calculates the index value of the coating film corresponding to the measurement object by using the correlation information and the first difference value calculated in the first calculator. 1. An optical analysis device comprising:a measurement part which sets a difference between a peak reflectance of a first wavelength component and a reflectance of a second wavelength component having a predetermined wavelength among reflectances of a plurality of wavelength components constituting reflected light in a highlight direction from a glitter material-containing coating film as a first difference value and measures the reflectance of the first wavelength component and the reflectance of the second wavelength component of the reflected light in the highlight direction for the glitter material-containing coating film corresponding to a measurement object;a first calculator which calculates the first difference value by using the measurement result of the measurement part;a storage which stores in advance correlation information illustrating a correlation between the first difference value and an index value indicating ...

Optical sensing device employing light intensity detectors integrated with nanostructures

Optical sensing devices employing light intensity detectors integrated with nanostructures. In some embodiments, the nanostructures are 3D nanostructures having feature sizes in all three dimensions comparable to a wavelength range of the incident light, and are used for hyperspectral sensing. In some other embodiments, the nanostructures are simultaneous sensitive to both the spectrum and one or more of polarization, angle and phase information of the incident light field, to provide multi-modal optical sensing devices. In some other embodiments, each spatial pixel of an image sensor includes a group of sampling pixels configured for hyperspectral sensing and another group of sampling pixels configured for sensing polarization, angle or phase of the incident light.

OBJECT STATE DETECTION AND TRANSMISSION SYSTEM

An object state detection and transmission system includes a spectroscope that measures a reflectance spectrum based on reflected light reflected by a target object, a spectroscopic terminal apparatus integrally provided with an electronic device, the spectroscopic terminal apparatus receiving a measured reflection spectrum; and a server apparatus connected to the spectroscopic terminal device via a communication line. The electronic device includes photographing means that photographs a target object to capture a photographed image; GPS means that measures a position of the target object; sensor means that measures azimuth and angle of the target object; clock means that clocks current time of the photographing and measurement; and communication means that transmits the photographed image, the position of the target object, the azimuth and angle of the target object, and the photographing and measurement time together with the received reflection spectrum to the server apparatus. 1. An object state detection and transmission system comprising:a spectroscopic terminal apparatus integrally including a spectrometer that measures a reflectance spectrum based on reflected light reflected by a target object, and an electronic device that receives a measured reflectance spectrum; anda server apparatus connected to the spectroscopic terminal apparatus through a communication line,wherein the electronic device comprises:photographing means that photographs the target object to capture a photographed image;GPS means that measures a location of the target object;sensor means that measures an azimuth θ) based on true north based on geomagnetism, and an inclination angle (ϕ) with respect to a horizontal plane with the target object as a center, at each location of the electronic device about the target object;time signal clock means that generates and outputs times of the photographing and the measurement; andcommunication means that transmits the photographed image, the ...

FOCUS SCANNING APPARATUS RECORDING COLOR

Disclosed are a scanner system and a method for recording surface geometry and surface color of an object where both surface geometry information and surface color information for a block of the image sensor pixels at least partly from one 2D image recorded by the color image sensor. A particular application is within dentistry, particularly for intraoral scanning. 1. (canceled)2. A scanner system for recording surface geometry and surface color of an object , the scanner system comprising: a first light source configured to provide a probe light for illumination of the object, the first light source being configured to illuminate the object during a first time-interval with light having one or more wavelength(s) in the ultraviolet domain, or in the blue domain of the visible domain;', 'a second light source configured to provide a probe light for illumination of the object, the second light source being configured to illuminate the object during a second time-interval with light having a plurality of wavelengths in the visible domain; and', 'at least two image sensors comprising an array of image sensor pixels to capture a plurality of 2D images of light received from the object, the at least two image sensors are arranged to capture 2D images of light received from the object, the at least two image sensors are configured such that a first series of images are captured during the first time-interval, and configured such that a second series of images are captured during the second time-interval; and, 'an intraoral scanner configured as a triangulation scanner, comprising surface geometry information based on triangulation from the first series of 2D images; and', 'color information based on averaging the second series of 2D images., 'a data processing system configured to derive3. The scanner system according to claim 2 , wherein the first light source is a part of the second light source.4. The scanner system according to claim 2 , wherein the second light source ...

SPECTROMETRY DEVICE, IMAGE FORMING APPARATUS, AND SPECTROMETRY METHOD

A printer that incorporates a spectrometry device includes a spectroscope, a distance measurer, and a spectrometry unit. The spectroscope includes a wavelength-selective interference filter on which light from a position of measurement in a medium is incident. The distance measurer measures the distance between the position of measurement and the spectroscope, and the spectrometry unit performs spectrometry at the position of measurement by using the spectroscope and correct a measured value obtained by the spectrometry based on the measured distance. 1. An image forming apparatus comprising:a spectroscope that includes a spectroscopic element on which light from a measurement target is to be incident;a distance measurer that is arranged to measure a distance between the measurement target and the spectroscope;a controller that is configured to perform spectrometry on the light by using the spectroscope;an image forming head that is configured to form an image on the measurement target;a carriage on which the image forming head, the distance measurer, and the spectroscope are mounted; anda moving mechanism that is configured to move the carriage relative to the measurement target,wherein the controller is configured to correct a measured value obtained by the spectrometry based on the distance measured by the distance measurer.2. The image forming apparatus according to claim 1 , wherein:the controller is configured to correct the measured value based on the distance that is measured by the distance measurer at a time at which the measured value from the spectrometry is obtained.3. The image forming apparatus according to claim 1 , wherein:the controller is configured to obtain distance-intensity data in which a change in light intensity is recorded with respect to the distance between the measurement target and the spectroscope, and is configured to correct the measured value based on the distance-intensity data.4. The image forming apparatus according to claim 3 , ...

Hand-held colour measurement device with two housing portions being movable relative to each other which comprise the passive components and the optoelectronic measuring unit, respectively

Method, apparatus, and article to facilitate distributed evaluation of objects using electromagnetic energy

Objects such as manufactured goods or articles, works of art, media such as identity documents, legal documents, financial instruments, transaction cards, other documents, and/or biological tissue are sampled via sequential illumination in various bands of the electromagnetic spectrum, a test response to the illumination is analyzed with respect to reference responses of reference objects. The sequence may be varied. The sequence may define an activation order, a drive level and/or temperature for operating one or more sources. Illumination may be in visible, infrared, ultraviolet, or other portions of the electromagnetic spectrum. Elements of the evaluation system may be remote from one another, for example coupled by a network.

Passive distance measurement to a sunlight-reflecting target

Anordnung zur passiven Bestimmung der Entfernung eines reflektierenden Objekts (154), umfassend: eine optische Vorrichtung (10) zum Empfangen von sich von einer Quelle (150) bekannter spektraler Emission über einen ersten atmosphärischen Fortpflanzungspfad (152, 160b) von einem benachbarten Punkt (156) zu der optischen Vorrichtung (10) fortpflanzender Strahlung, wobei die Atmosphäre selektive Abschwächung von Spektrallinien der Strahlung als Funktion der Frequenz der Spektrallinien bereitstellt, und zum Empfangen von von dem reflektierenden Objekt (154) in einem Strahlungspfad von der Quelle (150) über einen zweiten atmosphärischen Fortpflanzungspfad (152, 160a) zu dem reflektierenden Objekt reflektierter Strahlung, ein Computermittel (94, 96, 98) und wirksam mit dem Computermittel gekoppelte Mittel (84) zum Speichern eines bekannten Spektrums der Strahlung wie von der Quelle (150) emittiert, wobei zumindest ein Teil des bekannten Spektrums kontinuierlich mit im Wesentlichen konstanter Amplitude ist und zumindest eine erste Frequenzkomponente und eine zweite Frequenzkomponente aufweist, wirksam mit dem Computermittel (94, 96,... An arrangement for passively determining the distance of a reflective object (154), comprising: an optical device (10) for receiving spectral emission known by a source (150) via a first atmospheric propagation path (152, 160b) from an adjacent point (156) to the optical device (10), the atmosphere being selective Attenuating spectral lines of radiation as a function of the frequency of the spectral lines, and receiving radiation reflected from the reflective object (154) in a radiation path from the source (150) via a second atmospheric propagation path (152, 160a) to the reflective object; computer means (94, 96, 98) and means (84) operatively coupled to the computer means for storing a known spectrum of the radiation as emitted by the source (150), wherein at least a portion of the known spectrum is continuous at substantially constant ...

Image sensor for measuring illumination, proximity and color temperature

Spectrometer device

公开了光谱仪装置(110)。光谱仪装置(110)包括：至少一个滤波元件(114)，其适于将至少一个入射光束分离成组分波长的光谱；至少一个传感器元件(140)，其具有光学传感器(116、142)的矩阵，每个光学传感器(116、142)具有光敏区域，其中每个光学传感器(116、142)被配置为响应于从至少一个对象(112)传播到光谱仪的至少一个光束对光敏区域的照射而产生至少一个传感器信号，其中光学传感器(116、142)中的至少一个第一光学传感器适于响应于被第一组分波长照射而产生第一传感器信号，并且其中光学传感器(116、142)中的至少一个第二光学传感器适于响应于被第一组分波长照射而产生第二传感器信号；至少一个评估装置(120)，其被配置为通过评估第一传感器信号和第二传感器信号的组合信号Q，确定对象(112)的至少一个纵向坐标z，其中评估装置(120)被配置为通过在考虑所确定的纵向坐标z的情况下执行至少一种光谱分析来评估由光学传感器矩阵中的光学传感器(116、142)产生的至少一个传感器信号。

Electronic device with optical sensor for surface sampling

本公开涉及具有用于表面采样的光学传感器的电子设备。一种诸如触控笔的设备可以具有颜色传感器。该颜色传感器可以具有颜色感测光检测器，该颜色感测光检测器具有多个光电探测器，每个光电探测器测量光的不同的相应颜色通道。该颜色传感器还可以具有光发射器。该光发射器可以具有可调光谱。可以使用诸如利用颜色环境光传感器获得的环境光颜色测量结果等信息在颜色感测测量期间调整光谱，该颜色环境光传感器具有多个光电探测器，这些光电探测器各自测量不同的相应颜色通道的光。可使用惯性测量单元在颜色测量期间测量触控笔与外部对象之间的角取向。也可以使用在颜色感测期间调制光发射器的布置。可以将来自触控笔的测量结果无线地传输到外部装备。

Colorimeter with coordinate matching

Hand-held colour measurement device with two housing portions being movable relative to each other which comprise the passive components and the optoelectronic measuring unit, respectively

The device has an optoelectronic measuring unit provided in a housing. A main measuring window (111), a monitor measuring window (112), a projector measuring window (114), a white reference standard, a color reference standard and an ambient light measuring window are arranged in a device block (100) so that the measuring unit is arranged in a device block (200). The device block (200) is adjusted relative to the device block (100) in defined application positions. The measuring windows and the reference standards are provided in the positions in measuring optical paths of the measuring unit.

Hand-held colorimeter with two relatively adjustable housing parts, in which the passive components or the optoelectronic measuring unit are housed

Handheld colour measurement device

A handheld color measurement device includes a housing in which an optoelectronic measurement unit is located which receives measurement light originating from a measurement object, converts it into corresponding electrical measurement signals and processes these measurement signals into preferably digital measurement data characterizing the color of the measurement object. It further includes passive components required for the realization of different application functions, such as measurement windows and reference standards, which can be selectively positioned into the measurement beam path of the measurement unit. The passive components are positioned in a first housing block ( 100 ) and the opto-electronic measurement unit as a whole in a second housing block ( 200 ). The second housing block is adjustable into several defined application positions relative to the first housing block, in which application positions respectively one of the passive components is located in the measurement beam path of the opto-electronic measurement unit. This special division into two mutually relatively adjustable housing blocks allows an easy realization of a compact color measurement device suitable for many application functions, which is distinguished by a particular user friendliness.

Spectrophotometer with selectable measurement area

A spectrophotometer providing a sample measurement area of selectable size. The spectrophotometer includes a sphere defining a sample station, a lamp to illuminate the interior of the sphere and therefore the sample station, a color measurement engine including an aperture directed toward the sample station, and a measurement area size selector. The size selector includes a movable plate defining two or more holes of different sizes. The plate can be moved so that only one of the holes is aligned with the aperture to control the size of the measurement area sampled by the color measurement engine.

Handheld colour measurement device

A handheld colour measurement device includes a housing in which an optoelectronic measurement unit is located which receives measurement light originating from a measurement object, converts it into corresponding electrical measurement signals and processes these measurement signals into preferably digital measurement data characterizing the colour of the measurement object. It further includes passive components required for the realization of different application functions, such as measurement windows and reference standards, which can be selectively positioned into the measurement beam path of the measurement unit. The passive components are positioned in a first housing block ( 100 ) and the opto-electronic measurement unit as a whole in a second housing block ( 200 ). The second housing block is adjustable into several defined application positions relative to the first housing block, in which application positions respectively one of the passive components is located in the measurement beam path of the opto-electronic measurement unit. This special division into two mutually relatively adjustable housing blocks allows an easy realization of a compact colour measurement device suitable for many application functions, which is distinguished by a particular user friendliness.

Colour measuring device

Focus scanning apparatus recording color

상기 이미지 센서 픽셀들의 블록을 위한 표면 컬러 정보 및 표면 형상 정보 모두가 상기 컬러 이미지 센서에 의해 기록되는 하나의 2D 이미지로부터 적어도 부분적으로 유도되는 대상의 표면 형상 및 표면 컬러를 기록하기 위한 스캐너 시스템 및 방법이 개시된다. A scanner system and method for recording a surface shape and a surface color of an object in which both surface color information and surface shape information for the block of image sensor pixels are derived at least in part from one 2D image recorded by the color image sensor. Is initiated.

Focus scanning apparatus recording color

公开一种用于记录物体的表面几何形状和表面颜色的扫描器系统和方法，并且其中所述图像传感器像素的块的表面几何形状信息和表面颜色信息两者至少部分地从由所述彩色图像传感器记录的一个2D图像导出。

Sharp fibrous needle probe for the in-depth optical diagnosis of tumors by endogenous fluorescence

The invention describes a sharp fibrous needle optical probe (1) consisting of an optical fiber (2) included inside a hollow needle (3) ending in a cutting tip (4). The optical fiber (2) is inserted into and adhered to the inside the cavity of the needle and then polished so as to fit into the sharp shape of the latter. The needle is inserted into the material (5) to be examined. A light-recovering injection device (6) is placed at the inlet of the fiber. The material (5) that is located on the sharp end of the needle (4) backscatters the incident light and generates an endogenous fluorescence signal. A portion of this light stream is recovered by the needle tip and sent back to the light-recovering injection device (6). The latter analyzes the intensity, duration, and wavelength of the light and makes it possible to perform an in-depth diagnosis of the examined material without sampling same. An optical telemeter (7) placed on the outer tip of the needle makes it possible to know the depth of the examined area. The device makes it possible to carry out an in-depth optical diagnosis of tumors in the field of oncology.

Optical catheter configurations combining raman spectroscopy with optical fiber-based low coherence reflectometry

The present invention provides apparatuses and methods for sample analysis, such as tissue analysis, that integrate high wavenumber (HW) Raman spectroscopy for chemical composition analysis and optical coherence tomography (OCT) to provide depth and morphological information. The invention also provides side-viewing optical probes that are based on a single double clad optical fiber for performing the combined HW Raman spectroscopy and OCT. Intravascular catheter embodiments and related vascular diagnostic methods are also provided.

Sharp fibrous needle probe for the in-depth optical diagnostics of tumours by endogenous fluorescence

An optical sharp fibrous needle probe includes an optical fiber in a hollow needle ending in a cutting point. The optical fiber is inserted and bonded in the hollow of the needle and then polished to take on the exact needle cutting shape. The material to be explored is pricked by the needle. A light injection and recovery device is placed at the inlet of the fiber. The material located at the sharp end of the needle backscatters the incident light and generates an endogenous fluorescence signal. A part of this luminous flux is recovered by the point of the needle and sent back to the injection and recovery device. The same analyses the light in strength, duration and wavelength and enables a diagnostics without taking the in-depth explored material. An optical telemeter placed on the outer tip of the needle enables the depth of the explored area to be known.

Optical detector, spectrum detector and spectrum detection method using the same

本公开涉及光学检测器、光谱检测器及使用其的光谱检测方法。光谱检测器包括：光栅面板，其包括具有第一周期的第一光栅图案、具有与第一周期不同的第二周期的第二光栅图案、以及光出射表面，光通过所述光出射表面从光栅面板出射；以及光学测量板，其被布置为面对光栅面板的光出射表面，并且被配置为测量根据穿过第一光栅图案的第一光的传播距离的第一光的强度变化，以及测量根据穿过第二光栅图案的第二光的传播距离的第二光的强度变化。

Spectrophotometer and its use

Spectral photometer has measurement head (100), spectrometer and control electronics (300). Measurement head has separate illumination channel (11) for each light diode (13) of light source. Thus light from each LED is incident on surface of sample at measurement spot (M) at defined incident angle, which is different for each LED. Electronic circuit is designed for selective control of LEDs, which include white light emitting LED, LEDs of different wavelengths and an UV LED. <??>The invention also relates to a corresponding use of the inventive spectral photometer for colorimetric applications in color management systems and a color densitometer using an inventive measurement head.

FIBERED NEEDLE PROBE FOR OPTICAL DIAGNOSIS IN THE DEPTH OF TUMORS.

Angle-resolved micro Raman spectra detection device and detection method

本发明提供一种角度分辨显微拉曼光谱探测装置及探测方法，涉及光学测量设备技术领域，角度分辨显微拉曼光谱探测装置包括：拉曼探测机构和倾角控制机构；拉曼探测机构设置有信号出入口，信号出入口与样品相对应，拉曼探测机构能够向样品表面发射激光信号、采集样品表面被激发出的散射信号、并进行拉曼光谱分析；拉曼探测机构与倾角控制机构连接，倾角控制机构用于调节拉曼探测机构与倾角控制机构的连接角度，以调节角度分辨显微拉曼光谱探测装置的探测倾角的角度。通过采集样品表面同一测点不同探测倾角时的散射信号，以获得同一测点不同探测倾角下的光谱数据，以实现对样品的精细化测量。

Method and system for scanning staring focal plane array imaging

A system includes a focal plane array (FPA), support structure, optical assembly, flexing structure, and drive actuator. The FPA includes multiple pixels. The FPA captures an image as image data during an integration time interval. The optical assembly is fixed to the support structure and forms an image of a scene at the FPA. The flexing structure is mechanically coupled to both the support structure and the FPA, and allows the FPA to move relative to the support structure. The actuator is mechanically coupled to the FPA, and drives the FPA to move relative to the support structure. Some FPA have all readout elements arranged in a first regular grid with constant spacing, while some detector elements are on that grid and other detector elements are on a different grid offset by less than the constant spacing to provide sub-pixel resolution.

Miniaturized system and method for measuring optical characteristics

A miniaturized spectrometer/spectrophotometer system and methods are disclosed. A probe tip including one or more light sources and a plurality of light receivers is provided. A first spectrometer system receives light from a first set of the plurality of light receivers. A second spectrometer system receives light from a second set of the plurality of light receivers. A processor, wherein the processor receives data generated by the first spectrometer system and the second spectrometer system, wherein an optical measurement of a sample under test is produced based on the data generated by the first and second spectrometer systems.

Sharp fibrous needle probe for the in-depth optical diagnosis of tumors by endogenous fluorescence

L'invention décrit une sonde optique à aiguille fibrée tranchante (1) constituée d'une fibre optique (2) incluse dans une aiguille creuse (3) se terminant par une pointe coupante (4). La fibre optique (2) est insérée et collée dans le creux de l'aiguille puis polie de façon à épouser la forme tranchante de cette dernière. Le matériau (5) à explorer est piqué par l'aiguille. Un dispositif d'injection récupération de lumière (6) est placé à l 'entrée de la fibre. La matière ( 5) située à l 'extrém ité tranchante de l'aiguille (4) rétrodiffuse la lumière incidente et génère un signal de fluorescence endogène. Une partie de ce flux de lumière est récupérée par la pointe de l'aiguille et renvoyée vers le dispositif d'injection récupération (6). Ce dernier analyse la lumière en intensité, durée et longueur d'onde et permet un diagnostique sans prélèvement du matériau exploré en profondeur. Un télémètre optique (7) placé sur l'embout extérieur de l'aiguille permet de connaître la profondeur de la zone explorée. Le dispositif permet d'effectuer un diagnostique optique en profondeur des tumeurs dans le domaine de la cancérologie.

Wavelength detecting apparatus and focus detecting apparatus having the same

A wavelength detecting apparatus capable of detecting the main wavelength of the light coming into an image capture apparatus and a focus detecting apparatus using the same are disclosed. The wavelength detecting apparatus may include a spectral unit which separates the incoming light according to the respective wavelengths, and may focus the separated light onto a sensor. The main wavelength can be determined based on the wavelength distribution sensed by the sensor. The determined wavelength can be used to further determine amount of adjustment to be made to the defocus amount to compensate for the chromatic aberration associated with the wavelength of the light illuminating the source.

Makeup counseling apparatus

The present invention is composed of a computer positioned at a basal portion of an apparatus for conducting image processing and counseling processing; a first image display means for displaying a computer-processed image to a subject, mounted upright in the computer, a second image display means for displaying the computer-processed image to a counselor, mounted upright in the computer so that a display screen thereof is directed in a direction opposite the first display means; and photographic means, positioned near the first image display means, for photographing a subject directed in a direction of the first display means and feeding a facial image of the subject into the computer, thus making the apparatus small in scale and simple in composition, and suitable for a counselor to provide counseling on make-up to a subject.

Information processing device, method for generating control signal, information processing system, and program

An information processing apparatus includes an obtainment unit configured to obtain spectroscopic information generated from image information of a plant captured by an imaging unit; and a generation unit configured to generate a control signal for controlling a degree of water stress of the plant, based on the obtained spectroscopic information.

Spectral reflection measuring instrument

Hyperspectral sensing system and methods

A method for retrieving a corrected spectrum from a measured spectrum (e.g., retrieving a top-of-water spectrum from a measured top-of-atmosphere spectrum) includes creating a scene-specific model of a region of interest and performing a ray-tracing simulation to simulate rays of light that would reach an airborne (or spaceborne) sensor. The region of interest can be an optically complex area such as an inland or coastal body of water. Based on the ray-tracing simulation, a scene-specific correction for unwanted effects (e.g., adjacency effects, variable atmospheric conditions, and/or other suitable effects) is obtained. A corrected spectrum is obtained by correcting the measured spectrum using the scene-specific correction. The ray-tracing simulation may be performed using a graphical processing unit, allowing the scene-specific correction to be performed in real time or near real time.

Apparatus and method for measuring optical characteristics of an object

A method for determining spectral characteristics of an object is disclosed. A probe is positioned in proximity relative to the object and provides light to a surface of the object and receives light from the object. One or more critical heights are defined below which no specularly refelcted light is received and propagated. Prior to positioning the probe in proximity relative to the object, a plurality of position-sensitive calibration/normalization reference and a plurality of calibration/normalization measurements are taken with the probe at a plurality of predetermined positions with respect to the calibration/normalization reference. The intensity of light received is determined in a plurality of spectral bands with one or more measurements. The spectral characteristics of the object are determined based on the one or more measurements and based on data taken from one or more of the calibration/normalization measurements.

Spectral reflectometer

A spectral reflectometer includes a first substrate, a first light emitting element and a second light emitting element in which a height of a first light emitting portion which is the height from the first substrate to a first light emitting portion of the first light emitting element, which is installed on the first substrate and a height of a second light emitting portion which is the height from the first substrate to a second light emitting portion of the second light emitting element are different, and a light receiver that receives light, in which the second light emitting element having a high height of the second light emitting portion is installed at a position close to an optical axis of the light received by the light receiver from the first light emitting element having a low height of the first light emitting portion.

Spectrophotometer

The invention is related to the field of optical instrument engineering and intended for use in analyses in factory laboratories and for research purposes in analytical studies of spectral characteristics of various materials. The technical result: improvement of quality and accuracy of angular measurements and the measurements of complicated prisms.

Spectroscopic apparatus and methods

In a Raman spectroscopy apparatus, exciting light is focussed on a sample ( 26 ) as a line focus 38. Spectra from points in the line focus are dispersed in rows 46 on a CCD detector 34, having a two-dimensional array of pixels. The line focus moves longitudinally in a direction Y (arrow 48 ) relative to the sample. Simultaneously and synchronously, charge is shifted in a parallel direction Y′ (arrow 50 ) within the CCD, so that data from a given point in the sample continues to accumulate. This ensures that the data from each sample point arises from illumination which is integrated along the line focus, and makes it easier to stitch the data together subsequently to form an image of the sample. In order to provide averaging in the X direction during fast, low resolution scanning, the line focus is swept across the sample in a zig-zag fashion, between boundary lines 60.

Apparatus and method for measuring optical characteristics of an object

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 data also is disclosed. Measured data also may be stored and/or organized as part of a patient data base. Such methods and implements may be desirably utilized for purposes of detecting and preventing counterfeiting or the like. Low cost and small form factor spectrometers, and methods for manufacturing the same, also are disclosed.

Optical measurement device and related process

An instrument and related process for measuring color, shade, gloss, shape and/or translucence of a tooth. First, the instrument uses searchlight illumination to illuminate a tooth with constant irradiance. Second, the instrument uses colorimetric imaging to collect time-separated frames of different wavelengths of light reflected from a tooth and to combine those frames into a color image. Third, the instrument includes a sanitary shield to establish a reference color and a predetermined distance to a target tooth. Fourth, the instrument provides line-of-sight viewing so an operator may simultaneously view a display of the image on the instrument and the object being measured. Fifth, the instrument is impervious to pollutants because it incorporates a sealed measurement window. Sixth, optical measurements of a tooth taken by a dentist are compared to optical measurements of a prosthetic restoration for that tooth to confirm satisfactory matching of optical characteristics of the tooth and restoration.

Passive ranging to a target reflecting solar radiation

Methods for determining optical properties with measurements having different average optical depths or thickness sensitivities

Optical properties of an object are determined via light provided to the object via a probe tip including a plurality of light source/light receiver pairs. Light is received from a first light source/light receiver pair, and the first light source/light receiver pair is arranged so that a first measurement generates data based on light from the object received from a first average optical depth or first thickness sensitivity. Light is received from a second light source/light receiver pair, and the second light source/light receiver pair is arranged so that a second measurement generates data based on light from the object received from a second average optical depth or a second thickness sensitivity. The second average optical depth is different from the first average optical depth. Optical properties of the object are determined based on the data generated by the first and second measurements.

Reflectometer, electronic device and method

A reflectometer has a depth sensor which obtains distance information between the depth sensor and an object, a light source which emits light having a calibrated light spectrum, a spectral sensor which collects spectral information from light reflected from the object, and a circuitry. The circuitry calculates a reflectance spectrum for the object based on the distance information and the spectral information collected from light being reflected from the object, wherein the light originates from the light source.

Methods for characterizing gems or precious stones using a probe having a plurality of light receivers

Optical characteristic measuring systems and methods such as for determining the color or other optical characteristics of teeth are disclosed. Perimeter receiver fiber optics 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 data also is disclosed. Measured data also may be stored and/or organized as part of a patient data base.

Colour measurement device with associated measurement head

A spectrophotometer for integration purposes includes a measurement head with an illumination arrangement ( 10 ) including at least one fight source ( 11 ) for the illumination of a measurement object located in a measurement plane (M) under an angle of incidence of at least 45°, with a pick-up arrangement for capturing the measurement light remitted by the measurement object under an angle of reflection of the essentially 0° relative to the perpendicular of the measurement plane, a spectrometer arrangement ( 30 ) with an entry slot ( 31 ) for the spectral splitting of the measurement fight received through the entry slot and captured and with a photoelectric receiver arrangement ( 32 ) exposed to the spectrally split measurement light for conversion of the individual spectral portions of the measurement light into corresponding electrical signals.

Colour measurement device with associated measurement head

A spectrophotometer for integration purposes includes a measurement head with an illumination arrangement ( 10 ) including at least one light source ( 11 ) for the illumination of a measurement object located in a measurement plane (M) under an angle of incidence of at least 45°, with a pick-up arrangement for capturing the measurement light remitted by the measurement object under an angle of reflection of the essentially 0° relative to the perpendicular of the measurement plane, a spectrometer arrangement ( 30 ) with an entry slot ( 31 ) for the spectral splitting of the measurement light received through the entry slot and captured and with a photoelectric receiver arrangement ( 32 ) exposed to the spectrally split measurement light for conversion of the individual spectral portions of the measurement light into corresponding electrical signals. It further includes an electronic control ( 100 ), which controls the light source ( 11 ) and produces digital measurement values from the electrical signals generated by the photoelectric receiver arrangement. The light source ( 12 ) is constructed as a flat cosine radiator and is positioned in such a way that its radiation lobe is essentially perpendicular to the measurement plane (M) and the distance of the light source from the optical axis ( 21 ) of the pick-up arrangement ( 20 ) is essentially the same as the distance of the light source from the measurement plane. Further provided is a brightness reference arrangement ( 40 ) with a redirecting arrangement ( 44 ) positionable into and removable from the beam path between the illumination arrangement ( 10 ) and the pick-up arrangement ( 20 ) and located at a relatively large distance to the measurement plane (M). By the special construction of the brightness reference arrangement ( 40 ) and the illumination arrangement ( 10 ) as well as special measures for the gloss measurement and measurement value correction, the performance, precision and the application ...

Spectral camera control device, spectral camera control program, spectral camera control system, aircraft equipped with said system, and spectral image capturing method

[Problem] To provide a spectral camera control device, a spectral camera control program, a spectral camera control system, an aircraft equipped with said system, and a spectral image capturing method, with which it is possible for each of a spatial resolution and an exposure time for spectral image capture to be set arbitrarily, and with which spatial distortion and displacement of the spectral image can be suppressed. [Solution] This spectral camera control device is installed together with a spectral camera 3 provided with a liquid crystal tunable filter 33 in an aircraft 1 capable of stationary flight, and causes the spectral camera 3 to capture an image in a snapshot mode each time the transmission wavelength of the liquid crystal tunable filter 33 is switched while the aircraft 1 is in stationary flight.

Spectral camera device and inspection system

Apparatus and method for measuring optical characteristics of an object

Color/optical characteristics measuring systems and methods are disclosed. Perimeter receiver fiber optics/elements are spaced apart from a central source fiber optic/element and received light reflected from the surface of the object is 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 being measured. Under processor control, the color measurement may be made at a predetermined height and angle. Various color spectral photometer arrangements are disclosed. Translucency, fluorescence 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.

Measuring device for measuring optical radiation sources and method for carrying out a measurement

Die Erfindung betrifft eine Messvorrichtung für die Vermessung einer optischen Strahlungsquelle (1), aufweisend eine die zu vermessende Strahlungsquelle haltende Tragvorrichtung (2), mindestens einen Referenzsensor (6), mindestens einen Reflektor (3), mindestens eine Kamera und mindestens eine Auswerteeinheit. Des Weiteren betrifft die Erfindung ein Verfahren zur Durchführung einer Vermessung unter Verwendung einer solchen Messvorrichtung. Ziel der Erfindung ist es, das Streulicht solcher Messvorrichtungen weitestgehend zu reduzieren, ohne dabei den Messaufwand nennenswert zu erhöhen. Hierzu schlägt die Erfindung vor, dass der Reflektor (3) als schmaler Reflektorstreifen (3a) ausgebildet ist, wobei der Reflektorstreifen (3a) und die Strahlungsquelle (1) beweglich zueinander angeordnet sind, derart, dass die Bewegungsrichtung quer zur Längsachse (A) des Reflektorstreifens (3a) verläuft, und dass die Kamera als Zeilenkamera (4) als Multispektralkamera oder als Hyperspektralkamera (7) ausgebildet ist. The invention relates to a measuring device for measuring an optical radiation source (1), comprising a carrying device (2) holding the radiation source to be measured, at least one reference sensor (6), at least one reflector (3), at least one camera and at least one evaluation unit. The invention also relates to a method for carrying out a measurement using such a measuring device. The aim of the invention is to reduce the scattered light of such measuring devices as far as possible without significantly increasing the measuring effort. For this purpose, the invention proposes that the reflector (3) is designed as a narrow reflector strip (3a), the reflector strip (3a) and the radiation source (1) being arranged to be movable relative to one another, such that the direction of movement is transverse to the longitudinal axis (A) of the Reflector strip (3a) runs, and that the camera is designed as a line camera (4) as a multispectral camera or as a hyperspectral camera (7 ...

Method and apparatus for noninvasive probe/skin tissue contact sensing

The invention relates to a method and apparatus for performing noninvasive analyte property determination. More particularly, the invention relates to determining proximity and/or contact of an optical sample probe with skin tissue.

Robotic systems with separate photoacoustic receivers

A surgical robotic visualization system comprises a first robotic arm, a second robotic arm, a photoacoustic receiver coupled to the first robotic arm, an emitter assembly coupled to the second robotic arm, and a control circuit. The control circuit is configured to cause the emitter assembly to emit electromagnetic radiation toward an anatomical structure at a plurality of wavelengths capable of penetrating the anatomical structure and reaching an embedded structure located below a surface of the anatomical structure, receive an input of the photoacoustic receiver indicative of an acoustic response signal of the embedded structure, and detect the embedded structure based on the input from the photoacoustic receiver.

Imaging assisted scanning spectroscopy for gem identification

Systems and methods here may be used for automated capturing and analyzing spectrometer data of multiple sample gemstones on a stage, including mapping digital camera image data of samples, applying a Raman Probe to a first sample gemstone under evaluation on the stage, receiving spectrometer data of the sample gemstone from the probe, automatically moving the stage to a second sample, using the image data, and analyzing the other samples.

Detection apparatus for be used for detecting object surface color based on spectrum appearance

本发明公开了一种基于光谱仪的用于检测物体表面颜色的检测装置，涉及光谱检测技术领域；为了解决光投效果的问题；具体包括两个导轴，两个所述导轴的两端圆周均套接有安装杆，且两个导轴的端部均焊接有支撑杆，每个支撑杆的一侧均两个安装孔，两个支撑杆的顶部中心外壁均设置有同一个U型固定板，U型固定板的中间外壁设置有第一电机，第一电机的输出轴设置有导块，且导块的圆周内壁开有滑孔，滑孔内插接有滑柱，滑柱的一端设置有L型连接块，且L型连接块与导块相对一侧外壁设置有弹簧，且弹簧套接于滑柱的圆周上。本发明通过安装架上的插孔与H型板的配合，有效保证了导向机构的装卸和更换方便。

Direction selective interferometric optical filter