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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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26-09-2019 дата публикации

Многоканальный анализатор сигналов волоконно-оптических датчиков на основе волоконных брэгговских решеток

Номер: RU0000192705U1
Автор: Андрей Алексеевич Оглезнев, Виктор Александрович Симонов, Иван Сергеевич Шелемба
Принадлежит: Общество с ограниченной ответственностью "Инверсия-Сенсор" (ООО "Инверсия-С")

Полезная модель относится к области измерительной техники и может быть использована для измерения спектральных характеристик и показаний с волоконно-оптических датчиков, в частности в тепловой и ядерной энергетике, в химической и нефтегазовой, а также в критических узлах других отраслей промышленности.Техническим результатом настоящего технического решения является повышение точности определения относительного смещения спектра отражения брэгговской решетки, возможность определения абсолютной длины волны отражения ВБР, а также нечувствительность к спектральным потерям в линии и приемной части.Разработан анализатор сигналов, включающий перестраиваемый (на 80 нм) источник оптического излучения, средства передачи света, датчик на основе 8 линий волоконных брегговских решеток (ВБР), интерферометр и процессор. Брэгговские длины волн ВБР каждой линии различаются на постоянную величину, т.е. λ-λ=const. Средства передачи света обеспечивают направление света от источника излучения к ВБР-датчикам, а отраженное от ВБР-датчиков излучение на интерферометр, подключенный через фотоприемники к процессору, который управляет процессами перестройки источника переключением оптических переключателей в составе средств передачи света и детектора и обрабатывает сигналы с фотоприемников, сопоставляя их с калибровочными данными, выдает значение текущей длины волны отражения каждого из ВБР-датчиков в линии (линиях).Интегрально-оптическое исполнение элементов: источника, средств передачи света: ответвителя, делителя, спектрально-селективного ответвителя, коммутатора и интерферометра Маха-Цандера позволяет получить малогабаритный прибор с высокой вибростойкостью и температурной стабильностью. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 192 705 U1 (51) МПК G01M 11/00 (2006.01) G01N 21/17 (2006.01) G01D 5/353 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (52) СПК G01L 11/02 (2019.08); G01N 21/17 (2019.08); G01D 5/35329 (2019.08) (21)(22) Заявка: ...

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Номер записи: 1
26-01-2012 дата публикации

Method for analysis of isotopes in bodily fluids

Номер: US20120021526A1
Автор: Daniel L. Bolt, David A. Wagner, Douglas Steven Baer, Elena Simone Franklin Berman, Manish Gupta, Susan Lauren Fortson
Принадлежит: Los Gatos Research Inc

Biological fluid samples containing proteins (e.g., blood plasma or saliva) are prepared for isotopic analysis by precipitating the proteins while leaving the isotopic ratio unaffected. This precipitation can involve adding metal ions, salts, organic solvents, or organic polymers. The sample is then centrifuged to allow transfer of the supernatant for isotopic analysis, e.g. by tunable diode laser absorption spectrometry to obtain a quantitative measure of the 2 H and 18 O isotope levels in the water relative to reference standards.

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Номер записи: 2
02-02-2012 дата публикации

Compact raman analyzer for recording dissolved gases in liquids with high sensitivity and spectral resolution

Номер: US20120026494A1
Автор: Manfred Fink, Philip Varghese
Принадлежит: University of Texas System

A Raman head is provided capable of operating at high surrounding pressures. The Raman head has housing having a first, sealed chamber filled with an incompressible liquid and a second chamber that is open to the surrounding environment. At least one bellows can be used to equalize pressure between the first sealed chamber and the surrounding environment. A planar side of a pair of plano-concave lens is positioned within the first chamber and the concave side of each plano-concave lens is positioned within the second chamber of the Raman head. Light emitted as a result of a laser beam in communication with the pair of plano-concave lens can be analyzed by a Raman analyzer.

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Номер записи: 3
16-02-2012 дата публикации

Inspection Apparatus and Method

Номер: US20120038910A1
Автор: Arno Jan Bleeker, Lucas Henricus Johannes Stevens
Принадлежит: ASML Netherlands BV

Ghost reflections in a catadioptric scatterometer objective are excluded from an angle-resolved spectrum measurement by using a partial pupil for illumination and for the measurement excluding the area of the pupil plane that has been illuminated. Ghost reflections are reflected back into same point in the pupil plane. The ghost reflections do not interfere with the signal in the non-illuminated area of the pupil plane. An illumination system provides a beam of electromagnetic radiation to illuminate a first area in an illumination pupil plane of the objective. The objective is arranged as to illuminate the substrate with the beam of electromagnetic radiation. The illumination pupil plane is the back projected image of the pupil plane of the objective and is also imaged into the measurement pupil plane at the back focal plane of the objective, via auxiliary optics. A detector is configured to measure an angle resolved spectrum arising from the illumination of the substrate, in a measurement area of the measurement pupil plane of the objective excluding an area corresponding to the first area.

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Номер записи: 4
23-02-2012 дата публикации

Imaging apparatus and imaging method

Номер: US20120044457A1
Автор: Makoto Sato, Mitsuro Sugita
Принадлежит: Canon Inc

An imaging apparatus includes changing unit for changing a positional relation of irradiation positions of a plurality of measuring beams to be radiated onto an object. The imaging apparatus includes scanning unit for scanning the plurality of measuring beams in the positional relation which has been changed by the changing unit, and acquiring unit for acquiring an optical coherence tomographic image of the object on the basis of the plurality of measuring beams.

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Номер записи: 5
24-05-2012 дата публикации

Temperature dependent photoacoustic imaging

Номер: US20120125107A1
Автор: BO Wang, Jignesh Shah, Jimmy Su, Konstantin Sokolov, Stanislav Emelianov, Wolfgang Frey, Yun-sheng Chen
Принадлежит: University of Texas System

Methods and systems relating to temperature dependent photoacoustic imaging are provided.

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Номер записи: 6
07-06-2012 дата публикации

Apparatus And Method For Non-Intrusive Assessment Of Gas In Packages

Номер: US20120140229A1
Автор: Anders Johnsson, Annika Olsson, Märta LEWANDER, Sune Svanberg
Принадлежит: GasPorOx AB

A method and apparatus are disclosed for assessment of a sealed package. Light is emitted from a narrow-band laser source towards said package from outside of said package. An absorption signal of said light scattered in said package is measured, wherein said absorption is caused by said at least one gas when said light is scattered and travels in said sealed package. Measuring is made outside of said package, whereby said assessment is non-intrusive with regard to said package. It is determined if a deviation exists from a predetermined, expected gas composition and/or concentration of said at least one gas within said sealed package based on said measured absorption signal. Thus sealing of said package for said gas is detected.

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Номер записи: 7
14-06-2012 дата публикации

System and method for noninvasively monitoring conditions of a subject

Номер: US20120150014A1
Автор: Michal Rokni, Revital Pery-Shechter, Yaacov Metzger
Принадлежит: Or Nim Medical Ltd

A method and system are presented for use in determining one or more parameters of a subject. A region of interest of the subject is irradiated with acoustic tagging radiation, which comprises at least one acoustic tagging beam. At least a portion of the region of interest is irradiated with at least one electromagnetic beam of a predetermined frequency range. Electromagnetic radiation response of the at least portion of the region of interest is detected and measured data indicative thereof is generated. The detected response comprises electromagnetic radiation tagged by the acoustic radiation. This enables processing of the measured data indicative of the detected electromagnetic radiation response to determine at least one parameter of the subject in a region corresponding to the locations in the medium at which the electromagnetic radiation has been tagged by the acoustic radiation, and outputting data indicative of the at least one determined parameter.

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Номер записи: 8
21-06-2012 дата публикации

Photoacoustic sensor and method for the production and use thereof

Номер: US20120151995A1
Автор: Michael KÖHRING, Tobias Schossig, Wolfgang Schade
Принадлежит: Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV

A photoacoustic sensor, containing a resonance body, which at least partially delimits a space for receiving molecules to be detected, and a device for detecting an oscillation of the resonance body, including a device for optically detecting the location of at least one partial surface of the resonance body. A method for the photoacoustic detection of molecules in the gas phase and to a method for producing an optically integrated photoacoustic sensor.

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Номер записи: 9
05-07-2012 дата публикации

Acoustic wave measuring apparatus, acoustic wave imaging apparatus and method for controlling acoustic wave measuring apparatus

Номер: US20120167693A1
Автор: Yasufumi Asao
Принадлежит: Canon Inc

An acoustic wave measuring apparatus includes a light source for radiating a light having a wavelength component in wavelength areas, light filters arranged in a light path from the light source to a subject and each to shut off or transmit the light in one of the wavelength areas, a detector for detecting an acoustic wave generated by the radiation, a controller for generating conditions having different combinations of the wavelength components contained in the light, and a signal processor for calculating an optical absorption coefficient of the subject for the light in each wavelength area based on a pressure of the acoustic wave detected under each of the conditions and a strength of the radiated light for each wavelength area under conditions.

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Номер записи: 10
26-07-2012 дата публикации

Imaging apparatus for diagnosis and control method thereof

Номер: US20120190974A1
Автор: Satoru Suehara
Принадлежит: Terumo Corp

An imaging apparatus for diagnosis is connected with a probe including a transmitting and receiving unit transmitting a light transmitted from a light source continuously to the inside of a body cavity and concurrently, receiving a reflected light continuously from the inside of the body cavity, and generates a tomographic image inside the body cavity based on the obtained reflected light by obtaining the reflected light from the transmitting and receiving unit while rotating the transmitting and receiving unit. The apparatus comprises: a mechanism for extracting intensity of the reflected light obtained by a phenomenon that the light transmitted to the transmitting and receiving unit is reflected at the transmitting and receiving unit; and a mechanism for judging whether or not the extracted intensity of each reflected light at each rotary angle of the transmitting and receiving unit lies in a range of a predetermined variation width.

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Номер записи: 11
02-08-2012 дата публикации

Process analyzer

Номер: US20120195799A1
Автор: Aria Farjam, Bas De Heij, Kai Berggold, Rolf Uthemann, Ulrich Lundgreen
Принадлежит: HACH LANGE GMBH

A process analyzer for detection of an analyte in a liquid under analysis includes a base module and an exchangeable cartridge module. The exchangeable cartridge module comprises a sample taking device comprising a membrane configured to obtain a sample from the liquid under analysis. A first pump mechanism is configured to pump the sample away from the sample taking device. A second pump mechanism is configured to introduce a reagent into the sample. A measuring section is configured to perform a quantitative detection of the analyte in the sample. A degassing device is arranged downstream of the first pump mechanism and the second pump mechanism. The degassing device is configured to degas the sample.

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Номер записи: 12
09-08-2012 дата публикации

Minimally invasive cytometry system with qcl inspection of single cells for cancer detection

Номер: US20120202277A1
Автор: John Heanue, Matthias Wagner
Принадлежит: 1087 SYSTEMS Inc

This disclosure concerns a minimally invasive cytometry system including a handling system that presents single cells to at least one QCL laser source. The QCL laser source is configured to deliver light to a cell within the cells in order to induce vibrational bond absorption in one or more analytes within the cell. The cytometry system also includes a detection facility that detects the mid-infrared wavelength light transmitted by the cell and identifies the cell as either cancerous or non-cancerous.

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Номер записи: 13
16-08-2012 дата публикации

Systems and Methods for Detection and Quantitation of Analytes Using an Oscillating Stimulus

Номер: US20120208283A1
Автор: Cristina Polonschii, Dumitru Bratu, Eugen Gheorghiu, Mihai Sorin DAVID
Принадлежит: Centrul International de Biodinamica

Described systems and methods allow the detection of and determination of a concentration of a target analyte such as a biological cell, a virus, a polypeptide, a toxin, a pesticide, a drug, a drug residue, or a DNA strand, in a fluid sample. A variable stimulus, such as an oscillating magnetic field or a light beam of oscillating intensity, is applied to the sample, inducing variations in a position or shape of a constituent of the sample, or variations in a fluorescence of the sample. Such variations produce measurable variations in electric and/or optical properties of a sensor, variations which allow the determination of the concentration of the target analyte.

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Номер записи: 14
27-09-2012 дата публикации

Subject information acquisition apparatus and subject information acquisition method

Номер: US20120243369A1
Автор: Kazuhiko Fukutani, Takao Nakajima, Yoshiaki Sudo, Yoshitaka Baba
Принадлежит: Canon Inc

A subject information acquisition apparatus includes: an acoustic wave detector which detects an acoustic wave which is generated from a subject by irradiating light and outputs a detection signal; an amplifier which amplifies the detection signal which is output from the acoustic wave detector; a gain control unit which changes a gain of the amplifier as time elapses, according to a gain control table, in order to correct a drop in intensity of the acoustic wave caused by attenuation of fluence inside the subject; and a signal processing unit which obtains information inside the subject based on the signal amplified by the amplifier. Measurement under a plurality of measurement conditions, where at least fluence distribution inside the subject or a position of the acoustic wave detector differs, is possible, and the gain control unit changes the gain control table according to the measurement conditions.

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Номер записи: 15
27-09-2012 дата публикации

Thermal cycling apparatus and method

Номер: US20120245038A1
Автор: Arrin Katz, Colin Brenan, Javier Garcia, John Linton, Karl Yoder, Kristine Friesen, Leila Hasan, Robert Ellis, Robert Hess, Tanya S. Kanigan, Tom Morrison
Принадлежит: Life Technologies Corp

A system for holding at least one of sample and reagent for analysis. The system includes a pair of parallel covers, at least one of which is light transmissive, of which pair a light transmissive cover forms a top, and of which pair the other forms a bottom. A frame is disposed between the covers to define, in relation to the covers, an interior volume. The frame and the covers are associated with one another to form a case, the case being substantially tight to liquids. A microfluidic array is disposed in the interior volume. The array includes a sheet of material having a pair of opposed surfaces, a thickness, and a plurality of through-holes running through the thickness between the surfaces, the through-holes containing at least one of sample and reagent.

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Номер записи: 16
11-10-2012 дата публикации

Self cleaning optical probe

Номер: US20120255361A1
Автор: Frank Lunney, Khalid Thabeth
Принадлежит: Advanced Sensors Ltd

An optical probe comprising an elongate hollow body having an internal chamber for receiving an optical sensor and/or an light emission device, such as one or more optical fibres, an optical window being provided at a first end of the hollow body, said optical window defining a wall of said internal chamber for transmitting light therethrough, and an ultrasonic transducer provided at a second end of the elongate body opposite said first end for cleaning said optical window via ultrasonic vibrations, wherein said ultrasonic transducer is provided with an entry aperture extending through the ultrasonic transducer, through which entry aperture optical fibres, cables or wires may pass to enter said internal chamber.

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Номер записи: 17
29-11-2012 дата публикации

Apparatus and method for irradiating a medium

Номер: US20120300608A1
Автор: Takahiro Masumura
Принадлежит: Canon Inc

A method for irradiating a medium with a wave which is designed to focus on a particular portion in the medium, the method includes: irradiating the medium with an electromagnetic wave which is scattered in the medium, and is not designed to focus on the particular portion in the medium; detecting a first signal caused by irradiating the medium with the electromagnetic waver; irradiating the medium with a reconstructed wave which is designed to focus on the particular portion in the medium; detecting a second signal caused by irradiating the medium with the reconstructed wave; and monitoring, based on the first and second signals, that the particular portion is irradiated by the reconstructed wave.

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Номер записи: 18
06-12-2012 дата публикации

Detector Module, a Method for Controlling the Detector Module and a Detection System

Номер: US20120308437A1
Автор: Soon Huat Ng, Xiaoqun Zhou
Принадлежит: Agency for Science Technology and Research Singapore

According to embodiments of the present invention, a detector module is provided. The detector module includes: a chip configured to receive at least one specimen; a first light-emitting diode configured to illuminate the at least one specimen; and a first photodetector configured to detect light emitted from the at least one illuminated specimen. According to further embodiments, a detection system is provided. The detection system includes: a detector module; a control module in electrical communication with the detector module; and a pump module configured to collect a sample and transfer the sample to a chip of the detector module.

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Номер записи: 19
06-12-2012 дата публикации

Method for measuring luminescence at a luminescence detection workstation

Номер: US20120309103A1
Автор: Edward Lakatos, George Sabak, II Bruce E. DeSimas, Israel Metal, Jeff Levi, John Atwood, John C. Voyta, Michael Gambini, Susan A. Atwood-Stone, Yongdong Wang
Принадлежит: Life Technologies Corp

A luminescence detecting apparatus and method for analyzing luminescent samples is disclosed. Luminescent samples are placed in a plurality of sample wells in a tray, and the tray is placed in a visible-light impervious chamber containing a charge coupled device camera. The samples may be injected in the wells, and the samples may be injected with buffers and reagents, by an injector. In the chamber, light from the luminescent samples pass through a collimator, a Fresnel field lens, a filter, and a camera lens, whereupon a focused image is created by the optics on the charge-coupled device (CCD) camera. The use of a Fresnel field lens, in combination with a collimator and filter, reduces crosstalk between samples below the level attainable by the prior art. Preferred embodiments of the luminescence detecting apparatus and method disclosed include central processing control of all operations, multiple wavelength filter wheel, and robot handling of samples and reagents. Preferred embodiments of processing software integrated with the invention include elements for mechanical alignment, outlier shaving, edge detection and masking, manipulation of multiple integration times to expand the dynamic range, crosstalk correction, dark subtraction interpolation and drift correction, multi-component analysis applications specifically tailored for luminescence, and uniformity correction.

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Номер записи: 20
13-12-2012 дата публикации

Methods and Systems for Real-Time Monitoring of Environments

Номер: US20120313791A1
Автор: Neelesh B. Mehta
Принадлежит: Indian Institute of Science IISC

Methods and systems for real-time monitoring of environments are disclosed. The methods include receiving a measurement by a sensor unit, and transmitting a signal to a monitoring station if the measurement is approximately between a lower and an upper threshold. Based on a number of signals received, the monitoring station will broadcast a signal indicating to stop transmission of measurements or to update the lower and the upper threshold and continue transmission of measurements. Transmission of measurements may occur during a given time slot.

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Номер записи: 21
31-01-2013 дата публикации

Method and apparatus for medical imaging using near-infrared optical tomography and flourescence tomography combined with ultrasound

Номер: US20130030289A1
Автор: Baohong Yuan, Quing Zhu
Принадлежит: University of Connecticut

Methods and apparatus for medical imaging using diffusive optical tomography and fluorescent diffusive optical tomography are disclosed. In one embodiment, a method for medical imaging comprises, scanning a tissue volume with near-infrared light to obtain structural parameters, wherein the tissue volume includes a biological entity, scanning the tissue volume with near-infrared light to obtain optical and fluorescence measurements of the scanned volume, segmenting the scanned volume into a first region and a second region, and reconstructing an optical image and a fluorescence image of at least a portion of the scanned volume from the structural parameters and the optical and fluorescence measurements. In another embodiment an apparatus for medical imaging is disclosed.

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Номер записи: 22
21-02-2013 дата публикации

Cavity enhanced laser based isotopic gas analyzer

Номер: US20130044314A1
Автор: Alexander Kachanov, Serguei Koulikov
Принадлежит: Li Cor Inc

Systems and methods for measuring the isotope ratio of one or more trace gases and/or components of gas mixtures such as different gas species present in a gas mixture. The system includes a resonant optical cavity having two or more mirrors and containing a gas, the cavity having a free spectral range that equals the difference between frequencies of two measured absorption lines of different gas species in the gas, or of two different isotopes, divided onto an integer number. The system includes a continuous-wave tunable laser optically coupled with the resonant optical cavity and a detector system for measuring an absorption of laser light by the gas in the cavity. The detector system includes a photo-detector to measure an intensity of the intra-cavity light, or both a photo-acoustic sensor to measure photo-acoustic waves generated in the cavity and a photo-detector to measure an intensity of the intra-cavity light.

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Номер записи: 23
14-03-2013 дата публикации

SAMPLE ANALYZER

Номер: US20130065317A1
Автор: FUKUMA Daigo, Nagai Takaaki, Shibata Masaharu
Принадлежит: SYSMEX CORPORATION

A sample analyzer comprising: a sample preparing section for preparing first and second measurement sample including reagent and sample; a first detector for detecting a predetermined component in the first measurement sample prepared by the sample preparing section; a second detector for detecting the predetermined component in the second measurement sample prepared by the sample preparing section; and a controller configured for performing operations, comprising: (a) controlling the first detector to detect the predetermined component in the first measurement sample prepared by the sample preparing section; (b) determining the reliability of the result detected by the first detector; (c) controlling the sample preparing section to prepare the second measurement sample from the same sample when the result has been determined to be unreliable; and (d) controlling the second detector to detect the predetermined component in the second measurement sample, is disclosed. 1. A sample analyzing method including:(a) executing a first measurement which includes preparing a first measurement sample by mixing a first part of a sample and a first reagent, providing the first measurement sample to a first detector, and obtaining a first result regarding a predetermined component in the first measurement sample;(b) executing a second measurement which includes preparing a second measurement sample by mixing a second part of the sample and a second reagent, providing the second measurement sample to a second detector, and obtaining a second result regarding the predetermined component in the second measurement sample;(c) determining reliability of the first result and the second result;(d) when the first and second results have been determined to be unreliable, executing a third measurement which includes preparing a third measurement sample by mixing a third part of the sample and a third reagent, providing the third measurement sample to the second detector, and obtaining a ...

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Номер записи: 24
28-03-2013 дата публикации

CARRIER AND ADHESION AMOUNT MEASURING APPARATUS, AND MEASURING METHOD, PROGRAM, AND RECORDING MEDIUM OF THE SAME

Номер: US20130075612A1
Автор: IMAMURA Motoki, NISHINA Shigeki
Принадлежит: ADVANTEST CORPORATION

A carrier includes attachment holes to which a catalyst attaches, and non-attachment holes to which the catalyst does not attach. An attachment quantity measurement device includes an electromagnetic wave output device that outputs a terahertz wave toward the carrier, an electromagnetic wave detector that detects the terahertz wave which has transmitted through the carrier, a reference value obtainer that obtains, based on a result detected by the electromagnetic wave detector, any one of an absorption rate, a group delay, and a dispersion of the terahertz wave in the non-attachment holes, and an attachment quantity obtainer that obtains, based on the result detected by the electromagnetic wave detector and the result obtained by the reference value obtainer, a weight or a density of the catalyst present in the attachment holes. 1. An attachment quantity measurement device comprising:an electromagnetic wave output device that outputs an electromagnetic wave to be measured having a frequency equal to or higher than 0.01 [THz] and equal to or lower than 100 [THz] toward a carrier, including an attachment hole to which a predetermined component attaches and a non-attachment hole to which the predetermined component does not attach;an electromagnetic wave detector that detects the electromagnetic wave to be measured which has transmitted through the carrier;a reference value obtainer configured to obtain a reference value, based on the electromagnetic wave detected by the electromagnetic wave detector, the reference value being one of an absorption rate, a group delay, and a dispersion of the electromagnetic wave to be measured in the non-attachment hole; andan attachment quantity obtainer configured to obtain, based on the electromagnetic wave detected by the electromagnetic wave detector and the reference value obtained by the reference value obtainer, at least one of a weight and a density of the predetermined component present in the attachment hole.2. The ...

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Номер записи: 25
28-03-2013 дата публикации

DIRECT EXAMINATION OF BIOLOGICAL MATERIAL EX VIVO

Номер: US20130078648A1
Автор: Moehrle Matthias
Принадлежит: Eberhard-Karls-Universitaet Tuebingen Universitaetsklinikum

The present invention relates to a method for the visual examination of biological material ex vivo and an apparatus for the sterical orientation of biological material which can be used in said method. 1. A method for visual examination of a biological material ex vivo , the method comprising:providing the biological material, wherein the biological material is vital biological material which is neither histologically nor optically cut;labeling the biological material;switching off of reflections at the surface of the biological material; andexamining the biological material by direct light microscopy.2. The method of claim 1 , further comprising moisturizing the biological material.3. The method of claim 2 , further comprising fixing the biological material.4. The method of claim 1 , wherein the switching off of reflections at the surface of the biological material comprises use of a transparent medium and a glass carrier claim 1 , wherein the transparent medium is essentially deposited without inclusion of air or gas between the biological material and the glass carrier and brought into direct contact with the glass carrier.5. The method of claim 1 , wherein the switching off of reflections at the surface of the biological material comprises use of polarized light in the examination by direct light microscopy (polarization microscopy).6. The method of claim 1 , wherein labeling the biological material comprises a staining reaction at the biological material.7. The method of claim 1 , wherein labeling the biological material comprises a specific immunoreaction at the biological material.8. The method of claim 7 , wherein the specific immunoreaction comprises:contacting the biological material with a primary antibody for binding the primary antibody to the biological material;removing the non-bound primary antibody from the biological material; anddetecting a specific binding of the primary antibody to the biological material.9. The method of claim 8 , wherein ...

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Номер записи: 26
11-04-2013 дата публикации

System and Method for Nonlinear Optical Devices

Номер: US20130089888A1
Автор: Agarwal Anjali, Peters Nicholas, Woodward Ted
Принадлежит: TELCORDIA TECHNOLOGIES, INC.

Systems for enhancing the sensitivity of detecting an optical signal using nonlinear optics and method of performing the same. In one embodiment, a single-photon detection system includes an optical amplifier realized in a waveguide, and a photodetector coupled to an output of the optical amplifier. A light detection and ranging system includes the optical amplifier coupled to an optical source and one photodetector. In another embodiment, a photodetection system includes a plurality of optical frequency converters, coupled to an optical source, that sequentially convert a wavelength of photons of the optical source to a final wavelength, and a single-photon photodetector coupled to the optical frequency converters to detect single photons produced by the optical source. In another embodiment, an optical sensor includes an optical pump, and a transducer including an optical ring cavity coupled to the optical pump and configured to utilize optical four-wave mixing to detect an external stimulus. 1. An optical sensor , comprising:an optical pump; anda transducer comprising an optical ring cavity coupled to said optical pump and configured to utilize optical four-wave mixing to detect an external stimulus.2. The optical sensor as recited in further comprising a pump at an input end of an optical waveguide proximate said optical ring cavity and a photodetector coupled to an output end of said optical waveguide claim 1 , said pump being configured to induce an idler field in said optical ring cavity.3. The optical sensor as recited in wherein said four-wave mixing in said optical ring cavity is configured to generate a signal and an idler at equally spaced frequencies from said pump.4. The optical sensor as recited in wherein said photodetector is configured to measure a power of said idler.5. The optical sensor as recited in wherein said optical ring cavity is a nonlinear optical ring cavity.6. The optical sensor as recited in wherein said optical ring cavity is a ...

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Номер записи: 27
25-04-2013 дата публикации

METHOD AND DEVICE FOR MEASURING SCATTERING-ABSORPTION BODY

Номер: US20130100449A1
Автор: Koga Shunsaku, ODA Motoki, SUZUKI Hiroaki, Suzuki Toshihiko, Watanabe Hiroshi, Yamaki Etsuko, Yamashita Yutaka
Принадлежит: HAMAMATSU PHOTONICS K.K.

Light irradiates one light incident position on the surface of a scattering-absorption body. The light that propagates through the interior of the scattering-absorption body is detected at one light detecting position on the surface of the scattering-absorption body. On the basis of a light detection signal, a temporal profile of the light intensity of the detected light is acquired, and on the basis of the temporal profile, an mean optical path length of the light in the interior of the scattering-absorption body and information relating to the amount of substance to be measured in a region to be measured are calculated. The information relating to the amount of substance to be measured is corrected on the basis of the mean optical path length, such that the longer the mean optical path length, the greater the amount of substance to be measured is. 1. A method for measuring a scattering-absorption body , which is a method for measuring , non-invasively , information relating to an amount of substance to be measured at a region to be measured of a scattering-absorption body that contains the region to be measured and an intervening tissue that is present between the region to be measured and a surface of the scattering-absorption body ,the method comprising:a light incidence step of causing light of a predetermined wavelength to be incident, through one light incident position that is set on the surface of the scattering-absorption body;a light detection step of obtaining a light detection signal by detecting the light of the predetermined wavelength that propagates through the interior of the scattering-absorption body, at one light detecting position that is set on the surface of the scattering-absorption body;a signal processing step of acquiring a temporal profile of light intensity of the detected light, on the basis of the light detection signal; anda calculation step of calculating, on the basis of the temporal profile, an mean optical path length of the ...

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Номер записи: 28
25-04-2013 дата публикации

APPARATUS FOR DETERMINING OPTICAL DENSITY OF LIQUID SAMPLE AND OPTICAL WAVEGUIDE THEREOF

Номер: US20130100450A1
Автор: Bhatnagar Amit
Принадлежит:

The present invention provides an optical waveguide, comprising: an input end for receiving a divergent beam; an output end for outputting an illuminating beam; a longitudinal cavity extending from the input end till the output end; a first pinhole located at a first predetermined distance from the input end within the said longitudinal cavity for receiving the divergent beam and for generating a fringe pattern, said first pinhole bifurcating the longitudinal cavity into a first and a second light propagating regions, the longitudinal cavity forming the first light propagating region being provided with a reflective coating on its internal surface to enable internal reflection of the divergent beam; and a second pinhole located at the output end for receiving the fringe pattern thus generated by the first pinhole and for outputting the illuminating beam corresponding to a central bright fringe contained in the said fringe pattern via the output end. 1. An optical waveguide , comprising:an input end for receiving a divergent beam;an output end for outputting an illuminating beam;a longitudinal cavity extending from the input end till the output end;a first pinhole located at a first predetermined distance from the input end within the said longitudinal cavity for receiving the divergent beam and for generating a fringe pattern, said first pinhole bifurcating the longitudinal cavity into a first and a second light propagating regions, the longitudinal cavity forming the first light propagating region being provided with a reflective coating on its internal surface to enable internal reflection of the divergent beam; anda second pinhole located at the output end for receiving the fringe pattern thus generated by the first pinhole and for outputting the illuminating beam corresponding to a central bright fringe contained in the said fringe pattern via the output end.2. The optical waveguide as claimed in claim 1 , wherein the first predetermined distance is selected ...

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Номер записи: 29
25-04-2013 дата публикации

Device and Method for Monitoring and Quantifying Analytes

Номер: US20130102018A1
Автор: "DAndrea David T.", Bright Frank V., Schentag Jerome J.
Принадлежит: THE RESEARCH FOUNDATION OF STATE UNIVERSITY OF NEW YORK

The present invention can be described as an apparatus and cartridge for detecting the presence of an analyte in a fluid. The invention can also be described as a method of detecting the presence of an analyte in a fluid using the apparatus and cartridge. The method comprises the steps of clamping a sensor cartridge into a cartridge receiver of the apparatus, providing fluid to a fluid flow-path of the cartridge, illuminating at least a portion of a sensor, and using a photodetector to detect a change in the optical property of the sensor, wherein the change is caused by the presence or absence of an analyte in the fluid. 1. An apparatus for detecting the presence of an analyte in a fluid in a cartridge , the apparatus comprising:a head assembly having a photodetector interface, the photodetector interface configured to cooperate with a sensor port of the cartridge to expose at least a portion of the photodetector interface to a sensor assembly of the sensor port;a tail assembly having an illumination interface, the illumination interface configured to cooperate with an illumination port of the cartridge to provide illumination to a portion of the sensor assembly;wherein the head assembly is in clamping relation to the tail assembly such that when a cartridge is disposed between the head and tail assemblies, the head and tail assemblies clamp the cartridge to form a fluidic seal between the illumination interface and illumination port and a fluidic seal between the photodetector interface, sensor assembly, and sensor port.2. The apparatus of claim 1 , further comprising a pump configured to move fluid through a cartridge disposed between the head and tail assemblies.3. The apparatus of claim 1 , further comprising a processor in electronic communication with the photodetector interface claim 1 , the processor configured to capture analyte detection information from the photodetector interface.4. The apparatus of claim 2 , further comprising a flow sensor claim 2 , ...

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Номер записи: 30
25-04-2013 дата публикации

Chalcogenide-fibre, infrared evanescent wave sensor and process for producing same

Номер: US20130102066A1
Автор: Bruno Bureau, Catherine Boussard, Jacques Lucas, Jean-Luc Adam, Olivier Loreal, Patrick Houizot
Принадлежит: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS, UNIVERSITE DE RENNES 1

The invention relates to a fibre sensor that enables the propagation of infrared light at at least one wavelength of 0.8 to 25 micrometres, the fibre successively comprising along its length a first infrared waveguide section ( 23 ), a second detection section ( 25 ) intended to come into contact with an external environment in order to detect infrared signatures interfering with the propagation of the evanescent waves propagating along the fibre ( 2 ), and a third infrared waveguide section ( 27 ). The invention is characterized in that, in the second fibre section ( 25 ) that has the detection role, the fibre ( 2 ) is constituted of a curved part, the radios of curvature of which is locally less than 2.3 millimetres.

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Номер записи: 31
25-04-2013 дата публикации

Systems and methods for frequency-domain photoacoustic phased array imaging

Номер: US20130102865A1
Автор: Andreas Mandelis, Bahman LASHKARI, Sergey Telenkov
Принадлежит: Individual

Systems and methods of frequency-domain photoacoustic imaging are provided utilizing an ultrasonic phased array probe and intensity modulated optical excitation with coding to improve signal-to-noise ratio. Embodiments employ frequency-domain photoacoustic imaging methodologies such as the photoacoustic radar, coupled with a multi-element ultrasonic sensor array to deliver spatially-resolved correlation images of photoacoustic sources, which may be employed to image optical heterogeneities within tissue-like scattering media.

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Номер записи: 32
02-05-2013 дата публикации

Electric field spectrum measurement device and object measurement device

Номер: US20130107269A1
Автор: Tatsutoshi Shioda
Принадлежит: Nagaoka University of Technology NUC

Every depth of the measurement object measures energy structural information, refractive index, transmittance, reflectance other than property information of (as for the resolution several microns), e.g., space information at the same time. A spectrum measurement device receives a reference wave propagating in a reference path and a measurement wave propagating in a measurement path having a start point same as a start point of the reference path, and derives a spectrum of the measurement wave. The space information of the measuring object, energy structural information, refractive index, transmittance, a reflective index using spectrum measurement device are derived.

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Номер записи: 33
09-05-2013 дата публикации

Acoustic wave detector and acoustic wave measurement apparatus

Номер: US20130112001A1
Автор: Yukio Furukawa
Принадлежит: Canon Inc

An acoustic wave detector includes: a transducer; and a light reflecting member which is positioned between the transducer and a subject surface that is irradiated with the light, and which reflects scattered light on the subject surface. The light reflecting member includes a first reflecting surface and a second reflecting surface positioned closer to the transducer than the first reflecting surface, and a distance between the first reflecting surface and the second reflecting surface is an odd multiple of a half wavelength of a predetermined wavelength included in an acoustic wave generated from the light reflecting member by the scattered light.

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Номер записи: 34
16-05-2013 дата публикации

OPTICAL SENSOR

Номер: US20130119242A1
Автор: Goddard Nicholas John, Taylor Paul
Принадлежит: EMD MILLIPORE CORPORATION

An optical sensor comprising a waveguide having a sensing layer which is molecularly imprinted such that it will receive and retain target entities to be sensed, the optical sensor further comprising a detection apparatus arranged to detect a change of an optical property of the waveguide which occurs when the target entities are received and retained in the sensing layer. 121-. (canceled)22. An optical sensor comprising a leaky mode waveguide having a sensing layer which is molecularly imprinted such that it will receive and retain target entities to be sensed , the optical sensor further comprising a detection apparatus arranged to detect a change of an optical property of the leaky mode waveguide which occurs when the target entities are received and retained in the sensing layer.23. An optical sensor as claimed in claim 22 , wherein the sensing layer comprises reception sites having shapes which are suitable for receiving the target entities.24. An optical sensor as claimed in claim 22 , wherein the sensing layer comprises reception sites having functional groups which are complementary to functional groups of the target entities.25. An optical sensor as claimed in claim 22 , wherein the sensing layer is porous.26. An optical sensor as claimed in claim 22 , wherein the optical property in which a change is detected is the refractive index.27. An optical sensor as claimed in claim 22 , wherein the target entities are ribonuclease.28. An optical sensor as claimed in claim 22 , wherein the target entities are inactive.29. An optical sensor as claimed in claim 22 , wherein the leaky mode waveguide includes a layer of material having a refractive index which is higher than the refractive index of the sensing layer.30. An optical sensor as claimed in claim 29 , wherein the layer of material is a metal layer.31. An optical sensor as claimed in claim 22 , wherein the sensing layer is a polymer layer.32. An optical sensor as claimed in claim 22 , wherein the sensor forms ...

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Номер записи: 35
16-05-2013 дата публикации

Short light pulse generating device, terahertz wave generating device, camera, imaging device, and measuring device

Номер: US20130120584A1
Автор: Hitoshi Nakayama
Принадлежит: Seiko Epson Corp

A short light pulse generating device includes a light pulse generating part, a first pulse compressing part, a second pulse compressing part, and an amplifying part. The light pulse generating part is configured to generate light pulses, the light pulse generating part being a super luminescent diode. The first pulse compressing part is configured to perform pulse compression based on saturable absorption on the light pulses generated by the light pulse generating part. The second pulse compressing part is configured to perform pulse compression based on group velocity dispersion compensation on the light pulses that underwent the pulse compression by the first pulse compressing part. The amplifying part is provided between the first pulse compressing part and the second pulse compressing part, and configured to amplify the light pulses that underwent the pulse compression by the first pulse compressing part.

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Номер записи: 36
16-05-2013 дата публикации

IMAGE INFORMATION OBTAINING APPARATUS AND CONTROL METHOD FOR SAME

Номер: US20130121106A1
Автор: Nishihara Hiroshi
Принадлежит: CANON KABUSHIKI KAISHA

An image information obtaining apparatus having: a light source; a transducer which detects an acoustic wave and converts the acoustic wave to an electrical signal; a signal processing unit which generates image data, using the electrical signal; and a memory unit which stores a reference acoustic signal produced by the transducer detecting an acoustic wave generated when light is irradiated from the light source onto a phantom having acoustic parameters and optical parameters substantially the same as an object and converting the acoustic wave to an electrical signal, wherein the transducer produces an object acoustic signal by converting the acoustic wave, generated when light is irradiated onto an object from the light source, to an electrical signal; and the signal processing unit subtracts the reference acoustic signal from the object acoustic signal and generates image data from the signal resulting from this subtraction. 1. An image information obtaining apparatus , comprising:a light source;a transducer which detects an acoustic wave and converts the acoustic wave to an electrical signal;a signal processing unit which generates image data, using the electrical signal;a memory unit which stores a reference acoustic signal produced by said transducer detecting an acoustic wave generated when a phantom having acoustic parameters and optical parameters substantially the same as an object is irradiated with light from said light source and converting the acoustic wave to an electrical signal, whereinsaid transducer produces an object acoustic signal by converting the acoustic wave, generated when an object is irradiated with light from said light source, to an electrical signal, andsaid signal processing unit subtracts the reference acoustic signal from the object acoustic signal and generates image data from the signal resulting from this subtraction.2. An image information obtaining apparatus , comprising:a light source;a transducer which detects an acoustic ...

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Номер записи: 37
23-05-2013 дата публикации

DEVICE FOR DETECTING AN ANALYTE IN A BODILY FLUID

Номер: US20130126712A1
Автор: PETRICH Wolfgang, Weidner Frank
Принадлежит: ROCHE DIAGNOSTICS OPERATIONS, INC.

A device is proposed for detecting at least one analyte in a bodily fluid. The device comprises at least one test element with at least one two-dimensional evaluation region. The device furthermore comprises at least one spatially resolving optical detector having a plurality of pixels. The detector is designed to image at least part of the test element onto an image region. In the process, at least part of the evaluation region is imaged onto an evaluation image region. The detector is matched to the test element such that a predetermined minimum number of pixels is provided for each dimension within the evaluation image region. The pixels are arranged in a two-dimensional matrix arrangement. The matrix arrangement has pixel rows and pixel columns, wherein the pixel rows are arranged substantially parallel to a longitudinal direction of the evaluation region and/or of the evaluation image region. 1. A device for detecting at least one analyte in a bodily fluid , comprising:a test element having a two-dimensional evaluation region; anda spatially resolving optical detector having a plurality of pixels, the detector being configured to image at least part of the test element onto an image region and to image at least part of the evaluation region onto an evaluation image region; the detector is matched to the test element such that a predetermined minimum number of pixels is provided for each dimension within the evaluation image region;', 'the pixels are arranged in a two-dimensional matrix having pixel rows and pixel columns; and', 'the pixel rows are arranged substantially parallel to a longitudinal direction of at least one of the evaluation region or the evaluation image region., 'wherein2. The device as claimed in claim 1 , wherein the device is configured such that bodily fluid is transferred onto the test element for detecting the analyte.3. The device as claimed in claim 1 , further comprising a lancet element with a capillary configured to take up bodily ...

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Номер записи: 38
30-05-2013 дата публикации

Chemical mapping using thermal microscopy at the micro and nano scales

Номер: US20130134310A1
Автор: Chris Kendziora, Nabil D. Bassim, Robert Andrew Mcgill, Robert Furstenberg, Viet K. Nguyen
Принадлежит: Chris Kendziora, Nabil D. Bassim, Robert Andrew Mcgill, Robert Furstenberg, Viet K. Nguyen

A non-destructive method for chemical imaging with ˜1 nm to 10 μm spatial resolution (depending on the type of heat source) without sample preparation and in a non-contact manner. In one embodiment, a sample undergoes photo-thermal heating using an IR laser and the resulting increase in thermal emissions is measured with either an IR detector or a laser probe having a visible laser reflected from the sample. In another embodiment, the infrared laser is replaced with a focused electron or ion source while the thermal emission is collected in the same manner as with the infrared heating. The achievable spatial resolution of this embodiment is in the 1-50 nm range.

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Номер записи: 39
30-05-2013 дата публикации

Optical constant measuring apparatus and method thereof

Номер: US20130135611A1
Автор: Hyun Woo Song
Принадлежит: Electronics and Telecommunications Research Institute ETRI

Disclosed is an optical constant measuring method which includes applying light to a sample including a target material; measuring a first optical signal from light reflected from the sample; grasping a structure of the sample based on the first optical signal; measuring a second optical signal from light penetrating the sample; grasping an overall optical property of the sample based on the second optical signal; and measuring an optical constant of the target material based on the measured structure and optical property of the sample.

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Номер записи: 40
30-05-2013 дата публикации

OBJECT IDENTIFICATION DEVICE

Номер: US20130136306A1
Автор: HIRAI Hideaki, LI Xue
Принадлежит:

An object identification device identifying an image region of an identification target includes an imaging unit receiving two polarization lights and imaging respective polarization images, a brightness calculation unit dividing the two polarization images into processing regions and calculating a brightness sum value between the two polarizations images for each processing region, a differential polarization degree calculation unit calculating a differential polarization degree for each processing region, a selecting condition determination unit determining whether the differential polarization degree satisfies a predetermined selecting condition, and an object identification processing unit specifying the processing region based on the differential polarization degree or the brightness sum value depending on whether the predetermined selecting condition is satisfied and identifying plural processing regions that are specified as the processing regions as the image region of the identification target. 1. An object identification device identifying an image region of an identification target in an imaged image imaging the identification target in an imaging region , the object identification device comprising:an imaging unit that receives two polarization lights included in reflected light from an object existing in the imaging region and having respective polarization directions different from each other, and that images respective polarization images;a brightness calculation unit that divides two of the polarization images imaged by the imaging unit into respective predetermined processing regions, and that calculates a brightness sum value between the two polarization images for each processing region;a differential polarization degree calculation unit that calculates a differential polarization degree for each of the processing regions, the differential polarization degree indicating a ratio of a brightness difference value between the two polarizations images ...

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Номер записи: 41
30-05-2013 дата публикации

Method And Device For Assay Determination

Номер: US20130137121A1
Автор: Luo Shiyao, Wang Jihua
Принадлежит: GUANGZHOU WONDFO BIOTECH. CO., LTD.

A device and method for determining the assay result is disclosed. The device includes a photoelectric detection circuit and a processor, and an optical detection device which is set with a detection zone and a blank zone for measuring assay results, and the photoelectric detection circuit detects the light-reflection intensity signal, and feeds back the detected information to the processor, and the processor is preset with a threshold value changing with time, and determined value processed by the processor is compared with the preset threshold value to obtain the result of assay. The method for determining the assay result display the result when confirmed determined value is bigger than the preset threshold value or can not reach preset threshold value within a fixed time or detected signal can not be determined, wherein the threshold value changes with the time. The device and method for determining the assay result work more efficiently, measure more accurately and cost less than the prior art. 1. A device for assay determination , comprising:a photoelectric detection circuit;a processor; andan optical detection device for measuring assay signals, provided with a detection zone and a blank zone, wherein the photoelectric detection circuit detects light-reflection intensity signals from the detection zone and the blank zone, and feeds back detected information to the processor;wherein the processor comprises a time controlling module, a threshold modification module and a datum comparison module which are connected to each other, the time controlling module is connected with the threshold modification module and the photoelectric detection circuit separately, and the threshold modification module and the photoelectric detection circuit are connected with the datum comparison module at the same time, the threshold modification module modifies threshold value according to signals from the time controlling module which is then sent to the datum comparison module, ...

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Номер записи: 42
06-06-2013 дата публикации

Process and Installation for Inspection and/or Sorting Combining Surface Analysis and Volume Analysis

Номер: US20130141115A1
Автор: Antoine Bourely, Benjamin Blampey, David Mouneyrac, Frederic Garet, Jean-Louis Coutaz
Принадлежит: Pellenc Selective Technologies SA, Universite Savoie Mont Blanc

Automatic process and installation for inspecting and/or sorting objects or articles belonging to at least two different categories, and made to advance approximately in a single layer, for example on a conveyor belt or a similar transport support. The process includes subjecting the advancing flow of objects or articles to at least two different types of contactless analysis by radiation, whose results are used in a combined manner for each object or article to perform a discrimination among these objects or articles and/or an evaluation of at least one characteristic of the latter, the analyses including at least one surface analysis process able to determine the physical and/or chemical composition of the outer layer of an object or article exposed to the radiation used in this process, and at least one volume analysis process able to determine the equivalent thickness of material of the same object or article.

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Номер записи: 43
06-06-2013 дата публикации

Piezoelectric motor, driving device, electronic component conveying device, electronic component inspection device, printing device, robot hand, and robot

Номер: US20130141716A1
Автор: Nobuyuki Mizushima
Принадлежит: Seiko Epson Corp

A piezoelectric motor includes a piezoelectric element, electrodes provided in the piezoelectric element, electric wires connected to the electrodes, bond portions which bond the electrodes and the electrical wires, a storage case which stores the piezoelectric element, and support portions which are provided between the piezoelectric element and the storage case, wherein the bond portion and the electric wires are provided in the gap between the electrodes and the storage case.

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Номер записи: 44
13-06-2013 дата публикации

OPTICAL PULSE GENERATING APPARATUS, TERAHERTZ SPECTROSCOPY APPARATUS, AND TOMOGRAPHY APPARATUS

Номер: US20130146769A1
Автор: Ouchi Toshihiko
Принадлежит: CANON KABUSHIKI KAISHA

An optical pulse generating apparatus that supplies pump light and probe light includes a light source and a modulation unit configured to modulate light emitted from the light source, thereby dividing the light into the pump light and the probe light. The modulation unit is configured such that a frequency for modulating the light is variable. The modulation unit changes a difference between a moment of the pump light incident on an object and a moment of the probe light incident on the object by changing the frequency. 1. An optical pulse generating apparatus that supplies pump light and probe light , the optical pulse generating apparatus comprising:a light source; anda modulation unit configured to modulate light emitted from the light source, thereby dividing the light into the pump light and the probe light,wherein the modulation unit is configured such that a frequency for modulating the light is variable, andwherein the modulation unit changes a difference between a moment of the pump light incident on an object and a moment of the probe light incident on the object by changing the frequency.2. The optical pulse generating apparatus according to claim 1 ,wherein the modulation unit includes an electro-optical modulator or acousto-optic modulator, andwherein the modulation unit divides the light into the pump light and the probe light by performing binary modulation on the electro-optical modulator or the acousto-optic modulator.3. The optical pulse generating apparatus according to claim 2 ,wherein the modulation unit includes a power supply,wherein the electro-optical modulator is a Mach-Zehnder modulator, andwherein the modulation unit divides the light into the pump light and the probe light by performing on-off keying on the electro-optical modulator using the power supply.4. The optical pulse generating apparatus according to claim 2 ,wherein the modulation unit includes a digital signal source that turns on and off a radio frequency signal to be ...

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Номер записи: 45
20-06-2013 дата публикации

Method for determining the active doping concentration of a doped semiconductor region

Номер: US20130155409A1
Автор: Janusz Bogdanowicz, Trudo Clarysse, Wilfried Vandervorst
Принадлежит: Interuniversitair Microelektronica Centrum vzw IMEC, Katholieke Universiteit Leuven

A method and system for optically determining a substantially fully activated doping profile are disclosed. The substantially fully activated doping profile is characterized by a set of physical parameters. In one aspect, the method includes obtaining a sample comprising a fully activated doping profile and a reference, and obtaining photomodulated reflectance (PMOR) offset curve measurement data and DC reflectance measurement data for the sample including the fully activated doping profile and for the reference. The method also includes determining values for the set of physical parameters of the doping profile based on both the photomodulated reflectance offset curve measurements and the DC reflectance measurements.

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Номер записи: 46
20-06-2013 дата публикации

METHOD AND APPARATUS FOR DEGASSING A LIQUID AND ANALYTICAL DEVICE HAVING THE APPARATUS

Номер: US20130156646A1
Автор: Bernhard Ralf
Принадлежит: Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG

A method for degassing a liquid by means of a piston pump unit having a receiving chamber serving for accommodating the liquid to be degassed and connected with at least one supply line and at least one drain line, and a piston seated in the receiving chamber for performing stroke movements and liquid sealing the receiving chamber on one end. The following steps are included: drawing liquid via the supply line into the receiving chamber by performing a first stroke movement of the piston in the case of blocked drain line and open supply line; producing a negative pressure in the receiving chamber by continuing the first stroke movement of the piston in the case of blocked supply line and blocked drain line; and opening the drain line and removing a gas phase present in the receiving chamber from the receiving chamber via the drain line by performing a second stroke movement of the piston directed counter to the first stroke movement in the case of an opened drain line and blocked supply line. 115-. (canceled)16. A method for degassing a liquid by means of a piston pump unit having a receiving chamber serving for accommodating the liquid to be degassed and connected with at least one supply line and at least one drain line , and a piston seated in the receiving chamber for performing stroke movements and liquid sealing the receiving chamber on one end , the method comprises the steps of:drawing liquid via the supply line into the receiving chamber by performing a first stroke movement of the piston in the case of a blocked drain line and open supply line;producing a negative pressure in the receiving chamber by continuing the first stroke movement of the piston in the case of blocked supply line and blocked drain line; andopening the drain line and removing a gas phase present in the receiving chamber from the receiving chamber via the drain line by performing a second stroke movement of the piston directed counter to the first stroke movement, in the case of an ...

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Номер записи: 47
27-06-2013 дата публикации

PHOTOACOUSTIC IMAGING APPARATUS AND CONTROL METHOD THEREOF

Номер: US20130160558A1
Автор: Oishi Takuji
Принадлежит: CANON KABUSHIKI KAISHA

A photoacoustic imaging apparatus is used that comprises a light source capable of irradiating light onto an object from a plurality of directions, a detector that detects acoustic waves generated by the object irradiated with light, a calculator that calculates object information from detected acoustic waves, and a generator that generates image data from the object information. The calculator calculates a plurality of object information pieces corresponding to irradiation in respective directions on the basis of acoustic waves at a time of irradiation of light at dissimilar timings from the plurality of directions. The generator selects, for each region and according to a predetermined criterion, image data of increased contrast in a case where a plurality of image data items on the object are generated on the basis of the plurality of object information pieces, and generates image data by combining the image data selected in each region. 110.-. (canceled)11. An object information obtaining apparatus comprising:a light source configured to irradiate an object with light from a first direction and a second direction different from the first direction;a detector configured to detect an acoustic wave generated by the object irradiated with light;a calculator configured to obtain object information on the basis of acoustic waves detected by said detector; anda generator configured to generate image data of the object on the basis of the object information,wherein said calculator is configured to obtain first object information on the basis of the acoustic wave generated upon irradiation of the object with light from the first direction at a first timing, and to obtain second object information on the basis of the acoustic wave generated upon irradiation of the object with light from the second direction at a second timing different from the first timing, andwherein said generator is configured to generate image data by combining the first object information and the ...

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Номер записи: 48
27-06-2013 дата публикации

PHOTOACOUSTIC WAVE MEASURING APPARATUS

Номер: US20130160559A1
Автор: Ichihara Shigeru, Kobayashi Shuichi
Принадлежит: CANON KABUSHIKI KAISHA

A photoacoustic wave measuring apparatus, having: a probe including a plurality of devices which detect an acoustic wave generated by irradiating light onto an object; and a signal processor which acquires information about the object on the basis of an acoustic wave received by the devices, wherein the light is irradiated onto the object from the probe side; the probe includes: bright-field devices having a view angle covering a bright-field illumination area, which is an area where the light is irradiated, on the probe-side surface of the object; and dark-field devices having a field of view which does not cover the bright-field illumination area; and the signal processor uses an acoustic wave received by the dark-field devices when acquiring information about the object on the basis of a acoustic wave received before a predetermined time period is elapsed since the irradiation of light onto the object. 1. A photoacoustic wave measuring apparatus , comprising:a probe including a plurality of devices which receive an acoustic wave generated by irradiating an object with light; anda signal processor which acquires information about the object on the basis of an acoustic wave received by said devices, whereinthe light object is irradiated with the light from the probe side; bright-field devices having a view angle covering a bright-field illumination area, which is an area where the light is irradiated, on the probe-side surface of the object; and', 'dark-field devices having a field of view which does not cover the bright-field illumination area; and', 'said signal processor uses an acoustic wave received by said dark-field devices when acquiring information about the object on the basis of an acoustic wave received before a predetermined time period is elapsed since the irradiation the object with light., 'said devices of said probe include2. The photoacoustic wave measuring apparatus according to claim 1 , wherein said signal processor uses an acoustic wave ...

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Номер записи: 49
04-07-2013 дата публикации

Changed optical path measuring device for component concentration of water and measuring method thereof

Номер: US20130169949A1
Автор: Chen-Hua Chu, Chien-Ku Chen, Chih-Chung Chan, Hsin-Yi Wang, Shu-Liang Liaw, Yang-Yu Lin
Принадлежит: Industrial Technology Research Institute ITRI, National Central University

Measuring device of the present invention includes a plurality of measuring sites for generating a plurality of optical paths and various dilutions. The range for concentration measurement and the measurement accuracy are enhanced due to the plurality of optical path length, and the interference on the measurement ranges and results caused by the concentration or the turbidity of suspended solid is reduced and removed by water sample dilution, and thus the characteristic wavelengths of the components in the water are measured. Next, the information of spectrum database is used to determine the ingredients which may exist in the water (qualitative analysis), and UV-VIS-NIR absorbance spectrum analysis is used to obtain the concentration of the respective ingredients in the water at the same time (quantitative analysis).

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Номер записи: 50
11-07-2013 дата публикации

Photoacoustic method for oxygen sensing

Номер: US20130174645A1
Автор: Martin Willett, Michael Poulter, Viorel Avramescu
Принадлежит: Honeywell International Inc

A method for photoacoustically sensing oxygen in a gaseous sample is disclosed, together with an apparatus for practicing the present method. Efficient and cost-effective oxygen sensing is provided by the use of a light source in the form of a light-emitting diode, which can be selected to correspond with the absorption spectra exhibited by oxygen in a gaseous sample. Filtering can be employed in order to control and narrow the wavelength of light emitted by the light source. An apparatus is disclosed which facilitates practice of the present method, including an arrangement by which ambient noise and vibration can be canceled.

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Номер записи: 51
01-08-2013 дата публикации

QUALITATIVE CRYSTAL DEFECT EVALUATION METHOD

Номер: US20130192303A1
Автор: Hong Pil Yeong, RYU JAE WOO
Принадлежит: MEMC

A process is provided for evaluating oxygen precipitates in a single crystal silicon sample. The process comprises (a) annealing the single crystal silicon sample at a temperature sufficient to selectively grow as-grown oxygen precipitates having a size of about 25 nm or more and selectively dissolve as-grown oxygen precipitates having a size of about 25 nm or less; (b) cooling the single crystal silicon sample at a cooling rate sufficient to inhibit the nucleation of oxygen precipitates having a size of about 25 nm or less; (c) coating a surface of the single crystal silicon sample with a composition containing a metal capable of decorating oxygen precipitates; and (d) annealing the coated single crystal silicon sample at a temperature, for a duration, and in an atmosphere sufficient to decorate the oxygen precipitates in the single crystal silicon sample. 1. A process for evaluating oxygen precipitates in a single crystal silicon sample , the process comprising:(a) annealing the single crystal silicon sample at a temperature sufficient to selectively grow as-grown oxygen precipitates having a size of about 25 nm or more and selectively dissolve as-grown oxygen precipitates having a size of about 25 nm or less;{'b': '25', '(b) cooling the single crystal silicon sample at a cooling rate sufficient to inhibit the nucleation of oxygen precipitates having a size of about nm or less;'}(c) coating a surface of the single crystal silicon sample with a composition containing a metal capable of decorating oxygen precipitates; and(d) annealing the coated single crystal silicon sample at a temperature, for a duration, and in an atmosphere sufficient to decorate the oxygen precipitates in the single crystal silicon sample.2. The process as set forth in wherein the single crystal silicon sample comprises a silicon wafer sliced from a single crystal silicon ingot claim 1 , grown by the Czochralski method.3. The process as set forth in wherein the single crystal silicon sample ...

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Номер записи: 52
01-08-2013 дата публикации

METHOD FOR DETERMINING SATURATED ABSORPTION LINES AND LASER FREQUENCY STABILIZING DEVICE

Номер: US20130195132A1
Автор: OOZEKI Hidekazu, YANO Ryunosuke
Принадлежит: MITUTOYO CORPORATION

A method for determining saturated absorption lines includes defining first and second threshold values based on an output value of a light output signal. The first and second threshold values are in a magnitude relationship. An output value of a second-order differential signal of the light output signal is compared with the first and second threshold values. A determination is made as to whether the second-order differential signal following a change in a resonator length has an output waveform that displays a behavior in which the output waveform changes from less than the second threshold value to be equal to or greater than the first threshold value, and then changes to be less than the second threshold value. Based on a result of the determination by the waveform determination, a determination is made as to whether the output waveform of the second-order differential signal is the saturated absorption line. 1. A method for determining saturated absorption lines for a laser frequency stabilizing device , wherein a resonator length is changed and an oscillation frequency of laser light is stabilized to a specific saturated absorption line based on a saturated absorption line in a light output signal obtained by shining laser light on an absorption cell , the method comprising:defining a first threshold value and a second threshold value based on an output value of the light output signal, the first threshold value and the second threshold value being in a magnitude relationship;comparing an output value of a second-order differential signal of the light output signal with the first threshold value and the second threshold value, then determining whether the second-order differential signal following a change in the resonator length has an output waveform displaying a behavior in which the output waveform changes from less than the second threshold value to be equal to or greater than the first threshold value, and then changes to be less than the second ...

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Номер записи: 53
08-08-2013 дата публикации

QUANTIFICATION OF OPTICAL ABSORPTION COEFFICIENTS USING ACOUSTIC SPECTRA IN PHOTOACOUSTIC TOMOGRAPHY

Номер: US20130199299A1
Автор: Guo Zijian, Wang Lihong
Принадлежит: WASHINGTON UNIVERSITY

Accurately quantifying optical absorption coefficient using acoustic spectra of photoacoustic signals. Optical absorption is closely associated with many physiological parameters, such as the concentration and oxygen saturation of hemoglobin, and it can be used to quantify the concentrations of non-fluorescent molecules. A sample is illuminated by, for example, a pulsed laser and following the absorption of optical energy, a photoacoustic pressure is generated via thermo-elastic expansion. The acoustic waves then propagate and are detected by a transducer. The optical absorption coefficient of the sample is quantified from spectra of the measured photoacoustic signals. Factors, such as system bandwidth and acoustic attenuation, may affect the quantification but are canceled by dividing the acoustic spectra measured at multiple optical wavelengths. 1. A method of determining an optical absorption coefficient of an object , said method comprising:focusing a first light pulse emitted by a light source into a volume of the object, wherein the first light pulse has a first wavelength;detecting a first photoacoustic spectrum using an acoustic transducer, wherein the first acoustic spectrum is emitted by the object in response to receiving the first light pulse;focusing a second light pulse emitted by the light source into the volume of the object, wherein the second light pulse has a second wavelength;detecting a second acoustic spectrum using an acoustic transducer, wherein the second acoustic spectrum is emitted by the object in response to receiving the second light pulse; anddetermining the absorption coefficient of the volume of the object as a function of the first acoustic spectrum and the second acoustic spectrum.2. The method of wherein detecting the first acoustic spectrum comprises receiving at the acoustic transducer a first acoustic wave emitted by the object in response to receiving the first light pulse and performing a Fourier transformation on the ...

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Номер записи: 54
08-08-2013 дата публикации

Method for measuring the area of a sample disposed within an analysis chamber

Номер: US20130203107A1
Автор: Niten V. Lalpuria, Stephen C. Wardlaw
Принадлежит: ABBOTT POINT OF CARE INC

A method for determining the area of an analysis chamber covered by a biologic fluid sample quiescently residing within the chamber is provided. The chamber has a first panel with an interior surface, and a second panel with an interior surface, both of which panels are transparent. The method includes the steps of: a) illuminating the sample residing within the analysis chamber at one or more wavelengths operable to highlight interfaces between the sample and air, and to highlight a constituent within the sample; b) imaging the sample along the one or more wavelengths, and producing image signals representative of the interaction of the one or more wavelengths with the sample; c) determining a location of at least one interface between the sample and air, using the image signals; d) determining a location of one or more constituents within the sample relative to the at least one sample-air interface using the image signals; and e) determining an area of the chamber containing the sample, using the location of the one or more constituents and the at least one sample-air interface.

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Номер записи: 55
15-08-2013 дата публикации

METHOD AND DEVICE FOR DETECTING TRACE AMOUNTS OF MANY GASES

Номер: US20130205871A1
Автор: Durry Georges, Garcia Jean Charles, Hamelin Regis, Joly Lilian, Le Loarer Ronan, Parvitte Bertrand, Zeninari Virginie
Принадлежит:

The photoacoustic device for measuring the quantity of at least one gas. The Helmholtz-type esonant container comprises at least two tubes closed at their ends and linked together, close to each of their respective ends, by capillary tubes of diameter lower than the diameter of the parallel tubes. Each of the two radiant laser energy sources is physically separated and adapted to supply an excitation energy to the gas in the container at a different emission wavelength. The modulation means modulates the excitation energy supplied by each laser energy source with a modulation frequency corresponding to the acoustic resonance frequency of the container. At least one acoustoelectric transducer disposed on one of the tubes detects the produced acoustic signals produced and supplies an electric signal representative of the gas concentration in the container. 114-. (canceled)15. A photoacoustic device for measuring the quantity of at least one gas , comprising:a Helmholtz-type resonant container comprising at least two parallel tubes closed at their ends and linked together, close to their respective ends, by capillary tubes of a diameter less than the diameter of the parallel tubes;a gas introduction means in the resonant container;at least two radiant laser energy sources, each physically separated and adapted to supply an excitation energy to the gas contained in the container at a different emission wavelength, each corresponding to a maximum absorption wavelength locally for each gas, each laser energy source being positioned opposite a window closing an end of a parallel tube,a modulator for modulating the excitation energy supplied by each laser energy source with a modulation frequency corresponding to an acoustic resonance frequency of the resonant container; andat least one acoustoelectric transducer, disposed on one of the parallel tubes to detect acoustic signals produced therein and to supply an electric signal representative of the gas concentration in the ...

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Номер записи: 56
15-08-2013 дата публикации

Photoacoustic measuring device and method

Номер: US20130205903A1
Автор: Kenji Oyama
Принадлежит: Canon Inc

The present invention provides a photoacoustic measuring device and a method by which the presence of an object can be easily identifyied in a relatively short time in photoacoustic measurement while holding an object by a holding plate. The photoacoustic measuring device has a irradiating unit with which the object is irradiated with light, a holding unit holding the object by the holding plate, a detecting unit detecting the photoacoustic wave generated by irradiating light and an analyzing unit analyzing photoacoustic signal of the photoacoustic wave. The analyzing unit analyzes a photoacoustic signal to acquire information concerning change of a signal intensity of a component of the photoacoustic signal of produced in an interface between the detecting unit and the holding plate and an interface between the holding plate and the object, to identify the presence of the object.

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Номер записи: 57
15-08-2013 дата публикации

DEVICE FOR TESTING AN OPTIC

Номер: US20130208106A1
Автор: De Braak Menno S., Dommerholt Albertus J.
Принадлежит: Dovideq Holding B.V.

A device for testing an optic which is mountable thereon and has a central axis extending in the longitudinal direction thereof, comprising a test image, a test image table for supporting the test image, a light source for lighting the test image via the optic mountable thereon, an attaching device for mounting the optic mountable thereon, detection means placed on the attaching means for detecting the lighted test image, first guide means and second guide means co-acting with the first guide means and extending in longitudinal direction thereof for the purpose of positioning the test image table along a substantially straight line relative to the attaching device, and a signal processing device for receiving, storing and comparing detection values of the lighted test image detected by the detection means to threshold values therefor specific to the optic and prestored in a database, whereby the optic can be tested quickly and without personal influences, with a reliable test result. 2120260. A device () as claimed in claim 1 , wherein the identification elements () comprise a barcode etched into the optic () and wherein the read elements () comprise a barcode scanner.31113502060. A device () as claimed in claim 1 , wherein the servomotor () is adapted to drive a displacement of the attaching device () relative to the test image () subject to identification elements () detected by the read elements ().415059. A device () as claimed in claim 1 , wherein the test image () is mounted on a concavely formed surface of a spherical surface ().515059. A device () as claimed in claim 4 , wherein the test image () is provided with a pattern which comprises information distributed concentrically over the concavely formed surface relative to the centre of the spherical surface ().6150. A device () as claimed in claim 1 , wherein the test image () comprises a grid and/or a pattern of markers.71110050100120212. A device () as claimed in claim 4 , wherein the device () comprises a ...

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Номер записи: 58
15-08-2013 дата публикации

APPARATUS FOR PRODUCING HIGH PURITY X-CHROMOSOME BEARING AND Y-CHROMOSOME BEARING POPULATIONS OF SPERMATOZOA

Номер: US20130210056A1
Автор: Evans Kenneth M., van Munster Erik B.
Принадлежит: XY, LLC

Isolated non-naturally occurring populations of spermatozoa () having high purity and technologies to differentiate spermatozoa () based on characteristics such as mass, volume, orientation, or emitted light including methods of analysis and apparatus such as beam shaping optics () and detectors ().

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Номер записи: 59
22-08-2013 дата публикации

OPTICAL SENSOR AND IMAGE FORMING APPARATUS

Номер: US20130216246A1
Автор: Hoshi Fumikazu, Ishii Toshihior, OBA Yoshihiro, Sugawara Satoru
Принадлежит: RICOH COMPANY, LTD.

An optical sensor is disclosed. The optical sensor includes a light source in which a semiconductor laser having multiple light-emitting units is sealed with one resin member; a light source driving unit which causes the multiple light-emitting units to emit light; and at least one photodetector which detects a light amount of a light which is emitted from the multiple light-emitting units and is reflected from a subject. 1. An optical sensor , comprising:a light source in which a semiconductor laser having multiple light-emitting units is sealed with one resin member;a light source driving unit which causes the multiple light-emitting units to emit light; andat least one photodetector which detects a light amount of a light which is emitted from the multiple light-emitting units and is reflected from a subject.2. The optical sensor as claimed in claim 1 , wherein the light source driving unit temporally changes a magnitude of a drive current which is supplied to the semiconductor laser to temporally change a wavelength of a light emitted from the semiconductor laser.3. The optical sensor as claimed in claim 1 , wherein the at least one photodetector includes a first photodetector and a second photodetector;the first photodetector is arranged on an optical path of a light which is specularly reflected from the subject;the second photodetector is arranged on an optical path of a light which is diffuse reflected from the subject within an incident face in the subject;a light which is emitted from the light source is a linearly polarized light in a first polarizing direction; andthe optical sensor further includes an optical element which is arranged on an optical path of a diffuse reflected light which moves toward the second photodetector and which transmits a linearly polarized light component in a second polarizing direction which is orthogonal to the first polarizing direction.4. The optical sensor as claimed in claim 3 , wherein the first photodetector configures ...

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Номер записи: 60
29-08-2013 дата публикации

OPTICAL SENSOR

Номер: US20130222805A1
Автор: Bauer Robert, WÜSTEFELD Martin
Принадлежит: SICK AG

The invention relates to an optical sensor for monitoring a monitored zone having a detection device for observing a detection zone including the monitored zone, said detection device including a transmission device for transmitting transmission light into the detection zone and a receiver for receiving light reflected back or remitted back from the detection zone or transmitted through the detection zone and having at least one test object within the detection zone of the optical sensor. In accordance with the invention, the optical sensor has a device for avoiding and/or eliminating the contamination of the at least on test object. 218. An optical sensor in accordance with claim 1 , wherein a movement device for moving the at least one test object () is provided.346. An optical sensor in accordance with claim 2 , wherein the movement device is an ultrasound generator ().4. An optical sensor in accordance with claim 1 , wherein the device for avoiding and/or eliminating the contamination includes a housing surrounding the at least one test object.520. An optical sensor in accordance with claim 4 , wherein the housing is a tube ().6303220. An optical sensor in accordance with claim 4 , wherein a device () for applying a ram pressure () to the interior of the housing () is provided.7. An optical sensor in accordance with claim 6 , wherein the ram pressure is a ram air pressure.82022. An optical sensor in accordance with claim 6 , wherein the housing () is closed and includes a front screen () at at least one side.92226222822. An optical sensor in accordance with claim 8 , wherein the front screen () is connected to a movement device () for moving at least the front screen () or to an ultrasonic generator () for applying ultrasound to the front screen ().1022. An optical sensor in accordance with claim 8 , wherein the front screen () has a mechanical cleaning device.11. An optical sensor in accordance with claim 10 , wherein the cleaning device is a screen wiper.1222. ...

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Номер записи: 61
05-09-2013 дата публикации

MULTICHANNEL ANALYTICAL INSTRUMENTS FOR USE WITH SPECIMEN HOLDERS

Номер: US20130228675A1
Автор: CASSADY Kevin, CHEN Cong Liang
Принадлежит: LAXCO, INC.

An analytical instrument may have multiple distinct channels. Such may include one or more illumination sources and sensors. Illumination may be delivered to specific locations of a specimen holder, and returned illumination may be delivered to specific locations of a sensor array. Illumination may first pass a specimen, and a mirror or reflector may then return the illumination past the specimen. Optical splitters may be employed to couple pairs of fiber optics proximate a specimen holder. Such channels may further include a plurality of illumination sources positioned on one side of a specimen holder and a plurality of sensors on the other side. The plurality of sensor may capture image of a specimen and a spectrophotometer may concurrently scan the specimen. A plurality of specimens may be imaged and scanned in a single pass of a plurality of passes. Spherical or ball lenses may be placed in an optical path of the illumination to achieve a desired illumination pattern. 1. A multi-channel analytical instrument , comprising:at least one illumination source disposed on a first side of a specimen receiver having a plurality of wells, the at least one illumination source operable to emit electromagnetic energy through the plurality of wells;at least one sensor disposed on a second side of the specimen receiver, the at least one sensor responsive to electromagnetic energy received from the plurality of wells to produce a signal indicative of at least one characteristic of the electromagnetic energy;a plurality of first optical fibers coupled to the at least one illumination source;a plurality of second optical fibers coupled to the at least one sensor;a plurality of first ball lenses each positioned proximate a respective one of a plurality of positions disposed on the first side of the specimen receiver and spaced from one another along a first dimension of the specimen receiver;a plurality of second ball lenses each positioned proximate a respective one of a ...

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Номер записи: 62
05-09-2013 дата публикации

Device for photometric analysis of a liquid sample and sample carrier therefor

Номер: US20130228710A1
Автор: Berthold Breitkopf, Karsten Stein, Lutz Pfeifer
Принадлежит: Berthold Detection Systems GmbH

The invention relates to a device for the analysis of a liquid sample by way of light, comprising a transparent sample carrier, a movable upper mirror, which can be moved between a closed position, in which the mirror encloses a measurement space between itself and the sample carrier, and an open position, in which the sample carrier can be accessed so as to apply a sample, and a beam path, which guides incident measurement light between a light entrance into the measurement space and a light exit out of the measurement space from the sample carrier to the upper mirror reflecting the light. The beam path guides measurement light at an oblique angle of incidence through the sample carrier to the upper mirror.

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Номер записи: 63
05-09-2013 дата публикации

METHOD AND APPARATUS FOR DETERMINING THE DIMENSIONS AND EXTERNAL PROPERTIES OF THREE-DIMENSIONAL OBJECTS SUCH AS SAWN TIMBER

Номер: US20130229670A1
Автор: MESKANEN Urpo
Принадлежит: FIN SCAN OY

The present application relates to a method and apparatus for determining the dimensions and external properties of three-dimensional objects such as sawn timber, in which method objects like timber are moved in a transverse position over a target area in conveying direction, the target area is illuminated, and the target area is scanned upwards by a camera. In accordance with the invention each object like timber is scanned or exposed at least twice in the target area, and the timber is conveyed in the target area over support bars, which are in an angle (α) in relation to the conveying direction. 2. Method according to claim 1 , wherein angle (α) between the support bars and the conveying direction is between 5-30 claim 1 , preferably around 15 degrees.3. Method according to or claim 1 , wherein the scanning is performed by two line cameras.4. Method according to or claim 1 , wherein the scanning is performed by matrix cameras with two exposures.5. Method according to claim 1 , wherein the timber is conveyed by chain or belt conveyors.6. Apparatus for determining the dimensions and external properties of three-dimensional objects such as sawn timber claim 1 , comprisingmeans for moving objects in a transverse position over a target area in conveying direction,means for illuminating the target area,means for scanning the target area upwards by a camera,means for scanning each object at least twice in the target area, andsupport bars in the target area, which are in an angle (α) in relation to the conveying direction for supporting the objects while conveyed over the target area.7. An apparatus according to claim 6 , wherein angle (α) between the support bars and the conveying direction is between 5-30 claim 6 , preferably around 15 degrees.8. An apparatus according to or claim 6 , wherein the scanning means are two line cameras.9. An apparatus according to or claim 6 , wherein the scanning means is a matrix camera performing two exposures.10. An apparatus according ...

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Номер записи: 64
05-09-2013 дата публикации

Magnetic particle based biosensor

Номер: US20130230913A1
Автор: Octavian Florescu
Принадлежит: Silicon Biodevices Inc

A biosensor system and method of its use for detecting particles on the surface of an integrated circuit is disclosed. The system can include a light source and a plurality of optical sensors formed on an integrate circuit. The particles can be positioned the surface of the integrated circuit whereby the particles can cast a shadow or shadows that reduces the amount of light transmitted from the light source to the optical sensors. The surface of the integrated circuit can include one or more optical sensing areas whereby the presence of one or more particles may significantly or measurably reduce the amount of light incident on one or more optical sensor.

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Номер записи: 65
05-09-2013 дата публикации

TARGET SUBSTANCE DETECTING APPARATUS, AND TARGET SUBSTANCE DETECTING METHOD

Номер: US20130230931A1
Автор: Furukawa Hideki, OGUCHI Toshiaki, OKUTANI Nobuko, SASAO Kunihiko, YOKOYAMA Keisuke
Принадлежит: NSK LTD.

A target substance detecting apparatus includes a photonic crystal biosensor configured to include a photonic crystal, which has a reflection surface including concave portions and convex portions formed regularly on its surface, covered by a metal film, and reflecting light irradiated to the reflection surface; an optical detecting unit configured to irradiate parallel light to the reflection surface, and to detect reflected light of the parallel light reflected on the reflection surface; and a processing unit configured to obtain a wavelength at an extreme value of the reflected light detected by the optical detecting unit, and to detect at least whether the target substance is present or not based upon a shift of the obtained wavelength at the extreme value. 1. A target substance detecting apparatus comprising:a target substance trapping unit configured to include a structure, which has a reflection surface including concave portions and convex portions formed regularly on its surface, covered by a metal film, and trapping a target substance, the structure reflecting light irradiated to the reflection surface;an optical detecting unit configured to irradiate parallel light to the reflection surface, and to detect reflected light of the parallel light reflected on the reflection surface; anda processing unit configured to obtain a wavelength at an extreme value of the reflected light detected by the optical detecting unit, and to detect at least whether the target substance is present or not based upon a shift of the obtained wavelength at the extreme value.2. The target substance detecting apparatus according to claim 1 , whereinthe target substance trapping unit includes a target substance trapping substance that is fixed on the reflection surface for trapping the target substance.3. The target substance detecting apparatus according to claim 1 , whereinin the target substance trapping unit, the reflection surface on which a target substance of the same type as ...

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Номер записи: 66
12-09-2013 дата публикации

METHOD AND SYSTEM FOR REPLACING THE WATER COOLED LASER IN A MICROPLATE READER

Номер: US20130232771A1
Автор: Leen Thomas
Принадлежит:

The present invention relates to a method and system for repairing and refurbishing a microplate reader of the Flipr type which has a water cooled argon laser light source. The old laser is removed and replaced with a high power (300 to 500 mW) air cooled solid state laser as a replacement place on its own support and focused and wired to replace the old laser. The new product operates at lower power consumption yet provides accurate measurements. 1. A method for repairing a fluorescence microplate reader having a water cooled laser light source of about 3 watts that has been removed from the reader comprising:a) selecting an air cooled laser having a wattage of between about 300 and 500 mW, having a total lumen output sufficient to produce a replacement lumen output, the air cooled laser mounted in a rigid support and provide light to the microplate reader;b) providing that the light output of the air cooled laser is at a desired wavelength;c) positioning the support such that the light from the air cooled laser shines on the bottom of a microplate positioned in the reader; andd) connecting the air cooled laser to the reader such that they operate in place of the water cooled laser light.2. A method according to wherein the air cooled laser emits light in a wavelength from about 425 to about 510 nanometers.3. A method according to wherein the LED's emit a maximum light out at a wavelength of about 488 nanometers.4. A system for replacing a water cooled laser in a fluorescence microplate reader comprising:a) An air cooled laser having a power of about 300 to 500 mW mounted in fixed relationship having a lumen output sufficient to produce a replacement lumen output;b) an optional filter for changing the wavelength of the LED lights to a desired wavelength where the wavelength of the air cooled laser is not originally a desired wavelength;c) a support for adjustably positioning the air cooled laser and optionally the filter in the reader such that when placed in the ...

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Номер записи: 67
12-09-2013 дата публикации

Imaging Apparatus

Номер: US20130235189A1
Автор: Lunney Frank, Thabeth Khalid
Принадлежит: ADVANCED SENSORS LIMITED

An apparatus for measuring oil droplets and other bodies in a liquid, the apparatus comprising a body having an imaging device mounted therein, said body having a measurement window adjacent a measuring region through which an image of a fluid within the measurement region may be viewed by the imaging device, wherein a light source is provided for illuminating said measurement region, said light source being directed towards the imaging device by a light directing means, the apparatus including an ultrasonic transducer mechanically coupled to the measurement window for removing fouling from the measurement window and for creating cavitation within said measurement region, wherein said light directing means is located in or adjacent said measurement region to be exposed to said cavitation created by the ultrasonic transducer to remove fouling from said light directing means. 1. An apparatus for measuring oil droplets and other bodies in a liquid , the apparatus comprising a body having an imaging device mounted therein , said body having a measurement window adjacent a measuring region through which an image of a fluid within the measurement region may be viewed by the imaging device , wherein a light source is provided for illuminating said measurement region , said light source being directed towards the imaging device by a light directing means , the apparatus including an ultrasonic transducer mechanically coupled to the measurement window for removing fouling from the measurement window and for creating cavitation within said measurement region , wherein said light directing means is located in or adjacent said measurement region to be exposed to said cavitation created by the ultrasonic transducer to remove fouling from said light directing means.2. An apparatus as claimed in claim 1 , wherein said light directing means comprises a window through which light from the light source is transmitted claim 1 , a light guide through which said light is transmitted ...

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Номер записи: 68
19-09-2013 дата публикации

WAVEGUIDE STRUCTURE FOR MID-IR MULTIWAVELENGTH CONCATENATED DISTRIBUTED-FEEDBACK LASER WITH AN ACTIVE CORE MADE OF CASCADED STAGES

Номер: US20130240737A1
Автор: Caneau Catherine Genevieve, Xie Feng, Zah Chung-En
Принадлежит: CORNING INCORPORATED

Concatenated distributed feedback lasers having novel waveguides are disclosed. The waveguides allow for coupling of the laser beam between active and passive waveguide structures and improved device design and output efficiency. Methods of making along with methods of using such devices are also disclosed. 1. A waveguide structure comprising:a. an active semiconductor optical waveguide made of an optical gain material;b. a bridge; andc. a passive optical waveguide; wherein the bridge is spatially located between the active waveguide and passive waveguide and wherein the active waveguide, bridge, and passive waveguide are not physically connected via an optical waveguide material.2. The waveguide structure of claim 1 , wherein the bridge comprises a periodic structure that selectively allows certain wavelengths of light to couple to the passive optical waveguide.3. The waveguide structure of claim 1 , wherein the active waveguide claim 1 , bridge claim 1 , and passive waveguide comprise GaInAs or GaAlInAs.4. The waveguide structure of claim 1 , wherein the active waveguide and bridge or the bridge and passive waveguide are parallel and from about 1 μm to about 8 μm apart at the nearest point.5. The waveguide structure of wherein the active waveguide and bridge are parallel and from about 2 μm to about 6 μm apart at the nearest point and the bridge and the passive waveguide are parallel and from about 1 μm to about 8 μm apart at the nearest point.6. A laser comprising:a. a gain material comprising at least two, compositionally non-identical, layers forming a superlattice, wherein the gain material generates photons by intersubband or interband transitions;b. at least two lasing sections placed in series, wherein each lasing section comprises gratings have non-equivalent periods or Bragg wavelengths, and wherein the lasing sections are separated by a electrical isolation region; and i. an active waveguide in contact with a gain material;', 'ii. at least one bridge; ...

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Номер записи: 69
19-09-2013 дата публикации

SCANNING METHODS AND APPARATUS

Номер: US20130242313A1
Автор: Adegun Oluyori Kutulola, Fortune Farida, Tomlins Peter
Принадлежит:

There is provided a method of identifying a region of interest in sample. The method comprises obtaining one or more optical coherence tomography (OCT) axial scans at one or more locations over the sample surface; for each axial scan, determining an integrated total of OCT intensity over the depth of the scan, and determining an attenuation depth into the sample at which a predetermined fraction of the integrated total is reached; and determining the from the one or more attenuation depths a region of interest in the sample. Generally, the method does not rely the accuracy (or inaccuracy) of any particular scientific model of scattering and attenuation. It is therefore robust and can be employed across a wide variety of samples, including non-biological ones. 1. A method of identifying a region of interest in a sample , comprising:obtaining one or more optical coherence tomography (OCT) axial scans at one or more locations over the sample surface;for each axial scan, determining an integrated total of OCT intensity over the depth of the scan, and determining an attenuation depth into the sample at which a predetermined fraction of the integrated total is reached; anddetermining from the one or more attenuation depths a region of interest in the sample.2. The method as claimed in claim 1 , further comprising:generating an image of said sample, in which an indication of said attenuation depth is displayed at each respective location on the sample surface.3. The method as claimed in claim 2 , wherein the attenuation depth is indicated by a colour.4. The method as claimed in claim 1 , further comprising:for each axial scan, determining an attenuation coefficient by measuring a gradient of the OCT intensity in a region shallower than said attenuation depth.5. The method as claimed in claim 4 , further comprising:generating an image of said sample, in which an indication of said attenuation coefficient is displayed at each respective location on the sample surface.6. The ...

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Номер записи: 70
19-09-2013 дата публикации

AUTOMATIC ANALYZING APPARATUS

Номер: US20130243657A1
Автор: Yamazaki Hajime, YOSHIKAWA Keiko
Принадлежит:

An automatic analyzing apparatus which can make an adjustment to a target temperature so as to stabilize the light intensity of an LED and also can make the adjustment to that temperature in a short time is provided. The automatic analyzing apparatus in which an LED is used for a light source includes a temperature adjusting mechanism for the LED, and the temperature adjusting mechanism includes a metal member provided with the light source a pair of metal pipes (water-flowing pipes) buried in the metal member and allowing constant-temperature bath water to flow therein, and pins (small metal piece members) bringing only a heat-generating lead of the light source into direct contact with the metal member Therefore, the temperature adjusting mechanism can make an adjustment to a target temperature so as to stabilize the light intensity of the LED, and the adjustment to that temperature can be made in a short time. 1. An automatic analyzing apparatus comprising: a light-emitting diode light source; and a temperature adjusting mechanism for the light-emitting diode light source ,wherein the temperature adjusting mechanism is made up of: a metal member provided with the light-emitting diode light source; a water-flowing pipe buried in the metal member and allowing constant-temperature bath water to flow therein; and a small metal piece member bringing only a heat-generating lead of the light-emitting diode light source into direct contact with the metal member.2. The automatic analyzing apparatus according to claim 1 ,wherein a non-heat-generating lead of the light-emitting diode light source is covered with an insulating member.3. The automatic analyzing apparatus according to claim 1 ,wherein the water-flowing pipe is covered with an insulating member.4. The automatic analyzing apparatus according to claim 2 ,wherein the water-flowing pipe is covered with an insulating member. The present invention relates to an automatic analyzing apparatus which automatically ...

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Номер записи: 71
26-09-2013 дата публикации

METHOD AND APPARATUS FOR ANALYTE DETECTION

Номер: US20130248695A1
Автор: Kaushal Ash, MacIntyre Duncan
Принадлежит:

Methods and apparatus for identifying an analyte in a sample are provided. The apparatus comprises an electromagnetic radiation (EMR) source in optical communication with a receptor. The receptor for receiving a sample and detecting if the sample has been presented to the receptor in a predefined manner. The receptor further directing the EMR received from the EMR source to the sample. The apparatus also comprises a detector in optical communication with the receptor, the detector for capturing transmitted, reflected, scattered EMR, or a combination thereof from the sample received from the receptor. The apparatus further comprises a user interface for presenting information obtained from the sample and the receptor, and the characteristics of one or more analytes in the sample, and a communications unit in operative association with the detector for transmitting the characteristics of one or more analytes in the sample to a processor or spectrograph. 1. An apparatus for determining the characteristics of one or more analytes in one or more sample , comprising ,an electromagnetic radiation (EMR) source;a receptor in optical communication with the EMR source, the receptor for receiving a sample, detecting if the sample has been presented to the receptor in a predefined manner, and directing EMR received from the EMR source at the one or more sample;a detector in optical communication with the receptor, the receptor for measuring transmitted, reflected, scattered EMR, or a combination thereof by the sample received from the receptor;a user interface for presenting information respecting the presentation of the sample to the receptor and the characteristics of one or more analytes in the sample; anda communications unit in operative association with the detector for transmitting the characteristics of one or more analytes in the sample to a processor.2. The apparatus of claim 1 , wherein the apparatus further comprises one or more spectrophotometers in communication ...

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Номер записи: 72
26-09-2013 дата публикации

SIDE ILLUMINATED MULTI POINT MULTI PARAMETER

Номер: US20130248697A1
Автор: Egalon Claudio Oliveira
Принадлежит:

A side illuminated multi point multi parameter optical fiber sensor that requires no sensitive coating is provided. This sensor comprises an optical fiber having at least one removed cladding section as the sensitive region, at least one probing light source that side illuminates the fiber, a power supply, a detector, a signal processor and a display. The sensitive optical fiber is optically affected by the presence of a measurand medium that can fluoresce, phosphoresce, absorb and/or scatter the probing light. This probing light is guided by the fiber core towards a detector which measures the light intensity and this light intensity is correlated with a measurand. 1. An optical analytic subsystem comprising:a fiber optic configured to receive light that side illuminates the fiber at least at one location free of cladding and guide said light to at least one of its termini;at least one light source positioned and oriented to illuminate the side of said fiber optic at the at least one location; anda circuit configured to energize the light sources in a predetermined sequence.2. The optical analytic subsystem of where the at least one location and at least one light source are at least two locations and at least two respective light sources.3. The optical analytic subsystem of where the light source energization sequencing is serial.4. The optical analytic subsystem of where the light source energization sequencing is substantially simultaneous.5. The optical analytic subsystem of where the fiber core is tapered.6. The optical analytic subsystem of where at least one of the at least one light sources emits light in the far infrared spectrum.7. The optical analytic subsystem of where at least one of the at least one light sources is an UV LED.8. The optical analytic subsystem of where the fiber is plastic.9. The optical subsystem of further comprising a photodiode claim 2 , a photodiode amplifier and a light source power supply.10. A sensing system comprising:a) a ...

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Номер записи: 73
03-10-2013 дата публикации

Method for drying a cellulose pulp web and a cellulose pulp dryer comprising an inspection device for inspecting the position of the web or the occurrence of web residue

Номер: US20130255096A1
Автор: Arne Karlsson, Christer Olsson, Frank Jonsson, Roland Kampris
Принадлежит: ANDRITZ TECHNOLOGY AND ASSET MANAGEMENT GMBH

A gas blowing cellulose pulp dryer is operative for drying a web of cellulose pulp using gas supplied from gas outlets of blow boxes of a first drying section. The cellulose pulp dryer has an inspection device with at least a first radiation sensor arranged to detect reflected radiation at the first drying section to detect at least one of a position of the web during operation of the dryer, and the occurrence of any residue of the web.

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Номер записи: 74
03-10-2013 дата публикации

TEMPERATURE SENSOR AND METHOD FOR MEASURING A TEMPERATURE CHANGE

Номер: US20130258342A1
Автор: Schnier Dietmar
Принадлежит:

A temperature sensor is provided which comprises a measurement light source for generating measurement light and two optical waveguides. The two optical waveguides are arranged such that they respectively receive a measurement light portion of the measurement light and that the measurement light portions are superimposed after passing through the optical waveguides. Furthermore, the two optical waveguides have an optical property with different temperature dependency. 1. A temperature sensor comprising:a measurement light source for generating measurement light; andtwo optical waveguides, the two optical waveguides being arranged such that they respectively receive a measurement light portion of the measurement light and that the measurement light portions are superimposed after passing through the optical waveguides, and the two optical waveguides having an optical property with different temperature dependency.2. The temperature sensor according to claim 1 , wherein the optical property with different temperature dependency is the respective optical path length of the two optical waveguides.3. The temperature sensor according to claim 1 , wherein the two optical waveguides respectively have a light-conducting core and the two light-conducting cores are produced from different materials.4. The temperature sensor according to claim 1 , further comprising a light-splitting module for splitting the incoming measurement light into the measurement light portions and wherein the optical waveguides are respectively arranged at an outlet of the light-splitting module.5. The temperature sensor according to claim 1 , wherein the measurement light source is configured to irradiate the measurement light in the form of a directed beam onto the two optical waveguides claim 1 , the optical waveguides have respective input-side ends for receiving the measurement light portions and the input-side ends of the two optical waveguides are arranged so close to one another that the two ...

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Номер записи: 75
10-10-2013 дата публикации

OPTICAL GAS SENSOR

Номер: US20130265579A1
Автор: BECKMANN Udo, FORNASIERO Livio
Принадлежит: DRAGER SAFETY AG & CO. KGAA

An optical gas sensor with a light-emitting diode (), a photosensor (), a measuring section between the light-emitting diode and the photosensor, and a control and analyzing unit (), which is set up to determine the concentration of a gas in the measuring section from the light intensity measurement by the photosensor. The control and analyzing unit () is set up to measure the forward diode voltage over the light-emitting diode at a constant current, to determine the temperature of the light-emitting diode from the detected forward diode voltage over the light-emitting diode by means of a preset temperature dependence of the forward diode voltage, and to apply a correction function as a function of the light-emitting diode temperature determined, with which the measurement is converted to that of a preset temperature of the light-emitting diode. 1. An optical gas sensor comprising:a light-emitting diode;a photosensor;a measuring section between the light-emitting diode and the photosensor; anda control and analyzing unit determining a concentration of a gas in the measuring section from a light intensity measurement by the photosensor, the control and analyzing unit measuring a forward diode voltage over the light-emitting diode at a known current and determining a temperature of the light-emitting diode from the forward diode voltage detected over the light-emitting diode based on a preset dependence of the forward diode voltage on temperature, and applying a correction function that is a function of the light-emitting diode temperature determined, with which the measurement is converted to that of a preset temperature of the light-emitting diode.2. An optical gas sensor in accordance with claim 1 , wherein:the photo sensor is a photodiode; andthe control and analyzing unit operates the photodiode alternatingly in a mode for light intensity measurement and in a temperature-measuring mode, in which a preset current is applied to the photodiode and the resulting ...

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Номер записи: 76
17-10-2013 дата публикации

Device for performing a blood, cell, and/or pathogen count and methods for use thereof

Номер: US20130273524A1
Автор: Joel R. L. Ehrenkranz
Принадлежит: Joel R. L. Ehrenkranz

Devices and methods for performing a point of care blood, cell, and/or pathogen count or a similar blood test. Disclosed herein are systems that can be used to provide rapid, accurate, affordable laboratory-quality testing at the point of care. The systems described herein are capable of imaging and counting individual cells in a prepared cell sample (e.g., a peripheral blood smear or a blood sample prepared in a microfluidic device) or another prepared cell-containing sample without the need for a microscope or other expensive and cumbersome optics. The systems described herein are designed to eliminate or replace expensive, centralized clinical testing equipment and technical personnel. Such systems may include automated data reporting and decision support.

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Номер записи: 77
24-10-2013 дата публикации

METHOD AND SYSTEM FOR INSPECTION OF IMAGE STICKING

Номер: US20130278934A1
Автор: CHANG Li-Hsin, HSU Chih-Chun, LIN Kuan-Ming, TASI Min-Ruei
Принадлежит: Daxin Materials Corp.

A method for image sticking inspection of a light-transmissive device is disclosed. The light-transmissive device is responsive to application of a voltage to electrodes thereof to adjust light transmission characteristics. The method includes: providing light for passage through the light-transmissive device; applying a first alternating current (AC) voltage to the electrodes; applying a direct current voltage to the electrodes; and applying a second AC voltage to the electrodes, and measuring intensity of the light passing through the light-transmissive device during application of the second AC voltage. 1. A method for image sticking inspection of a light-transmissive device , the light-transmissive device being responsive to application of a voltage to electrodes thereof to adjust light transmission characteristics of the light-transmissive device , said method comprising:a) providing light for passage through the light-transmissive device;b) applying a first alternating current (AC) voltage to the electrodes of the light-transmissive device;c) applying a direct current (DC) voltage to the electrodes of the light-transmissive device after step b); andd) applying a second AC voltage to the electrodes of the light-transmissive device after step c), and measuring intensity of the light passing through the light-transmissive device during application of the second AC voltage.2. The method as claimed in claim 1 , wherein claim 1 , in step c) claim 1 , the DC voltage has a magnitude not less than 10 volts.3. The method as claimed in claim 2 , wherein claim 2 , in step c) claim 2 , the DC voltage has a magnitude not greater than 50 volts.4. The method as claimed in claim 2 , wherein claim 2 , in step c) claim 2 , the DC voltage is applied for a time period ranging from 1 minute to 20 minutes.5. The method as claimed in claim 1 , wherein each of the first and second AC voltages has a constant peak voltage.6. The method as claimed in claim 5 , wherein claim 5 , in step d ...

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Номер записи: 78
31-10-2013 дата публикации

Devices Having One or More Integrated Computational Elements and Methods for Determining a Characteristic of a Sample by Computationally Combining Signals Produced Therewith

Номер: US20130284894A1
Автор: Freese Robert, Jones Christopher Michael, Perkins David, Simcock Michael, Soltmann William
Принадлежит:

Optical computing devices containing one or more integrated computational elements may be used to produce two or more detector output signals that are computationally combinable to determine a characteristic of a sample. The devices may comprise a first integrated computational element and a second integrated computational element, each integrated computational element having an optical function associated therewith, and the optical function of the second integrated computational element being at least partially offset in wavelength space relative to that of the first integrated computational element; an optional electromagnetic radiation source; at least one detector configured to receive electromagnetic radiation that has optically interacted with each integrated computational element and produce a first signal and a second signal associated therewith; and a signal processing unit operable for computationally combining the first signal and the second signal to determine a characteristic of a sample. 1. A device comprising:a first integrated computational element and a second integrated computational element, each integrated computational element having an optical function associated therewith, and the optical function of the second integrated computational element being at least partially offset in wavelength space relative to that of the first integrated computational element;an optional electromagnetic radiation source;at least one detector configured to receive electromagnetic radiation that has optically interacted with each integrated computational element and produce a first signal and a second signal associated therewith; anda signal processing unit operable for computationally combining the first signal and the second signal to determine a characteristic of a sample.2. The device of claim 1 , wherein the signal processing unit determines a difference between the first signal and the second signal.3. The device of claim 1 , wherein each integrated ...

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Номер записи: 79
31-10-2013 дата публикации

Methods and Devices for Optically Determining A Characteristic of a Substance

Номер: US20130284895A1
Автор: Freese Robert, Jones Christopher Michael, Perkins David, Simcock Michael, Soltmann William
Принадлежит:

Optical computing devices are disclosed. One exemplary optical computing device includes an electromagnetic radiation source configured to optically interact with a sample and at least two integrated computational elements. The at least two integrated computational elements are configured to produce optically interacted light and further configured to be associated with a characteristic of the sample. The optical computing device further includes a first detector arranged to receive the optically interacted light from the at least two integrated computational elements and thereby generate a first signal corresponding to the characteristic of the sample. 1. A device , comprising:an electromagnetic radiation source configured to optically interact with a sample and at least two integrated computational elements, the at least two integrated computational elements being configured to produce optically interacted light and further configured to be associated with a characteristic of the sample; andat least one detector arranged to receive the optically interacted light from the at least two integrated computational elements and generate a first signal and a second signal, wherein the first signal and the second signal are computationally combined to determine the characteristic of the sample.2. The device of claim 1 , wherein the electromagnetic radiation source optically interacts with the at least two integrated computational elements after optically interacting with the sample.3. The device of claim 1 , wherein the electromagnetic radiation source optically interacts with the at least two integrated computational elements before optically interacting with the sample.4. The device of claim 1 , wherein the electromagnetic radiation source optically interacts with a first one of the at least two integrated computational elements before optically interacting with the sample and with a second one of the at least two integrated computational elements after optically ...

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Номер записи: 80
31-10-2013 дата публикации

Methods and Devices for Optically Determining A Characteristic of a Substance

Номер: US20130284896A1
Автор: Freese Robert, Jones Christopher Michael, Perkins David, Simcock Michael, Soltmann William
Принадлежит:

Optical computing devices are disclosed. One exemplary optical computing device includes an electromagnetic radiation source configured to optically interact with a sample and at least two integrated computational elements. The at least two integrated computational elements may be configured to produce optically interacted light, and at least one of the at least two integrated computational elements may be configured to be disassociated with a characteristic of the sample. The optical computing device further includes a first detector arranged to receive the optically interacted light from the at least two integrated computational elements and thereby generate a first signal corresponding to the characteristic of the sample. 1. A device , comprising:an electromagnetic radiation source configured to optically interact with a sample and at least two integrated computational elements, the at least two integrated computational elements being configured to produce optically interacted light, wherein at least one of the at least two integrated computational elements is configured to be disassociated with a characteristic of the sample; andat least one detector arranged to receive the optically interacted light from the at least two integrated computational elements and generate a first signal and a second signal, wherein the first signal and the second signal are computationally combined to determine the characteristic of the sample.2. The device of claim 1 , wherein each of the at least two integrated computational elements is configured to be disassociated with the characteristic of the sample.3. The device of claim 1 , wherein the characteristic of the sample is a first characteristic claim 1 , and wherein the at least one of the first and second integrated computational elements is configured to be associated with a second characteristic of the sample.4. The device of claim 1 , wherein the optically interacted light comprises a first beam of optically interacted light ...

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Номер записи: 81
31-10-2013 дата публикации

Methods and Devices for Optically Determining A Characteristic of a Substance

Номер: US20130284898A1
Автор: Freese Robert, Jones Christopher Michael, Perkins David, Simcock Michael, Soltmann William
Принадлежит:

Optical computing devices are disclosed. One exemplary optical computing device includes an electromagnetic radiation source configured to optically interact with a sample and at least two integrated computational elements. The at least two integrated computational elements may be configured to produce optically interacted light, and at least one of the at least two integrated computational elements may be configured to be disassociated with a characteristic of the sample. The optical computing device further includes a first detector arranged to receive the optically interacted light from the at least two integrated computational elements and thereby generate a first signal corresponding to the characteristic of the sample. 1. A method of determining a characteristic of a sample , comprising:optically interacting an electromagnetic radiation source with the sample and at least two integrated computational elements, wherein at least one of the at least two integrated computational elements is configured to be disassociated with the characteristic of the sample;producing optically interacted light from the at least two integrated computational elements;receiving with at least one detector the optically interacted light from the at least two integrated computational elements, thereby generating a first signal and a second signal; andcomputationally combining the first and second signals to determine the characteristic of the sample.2. The method of claim 1 , wherein each of the first and second integrated computational elements is configured to be disassociated with the characteristic of the sample.3. The method of claim 1 , wherein the at least one detector computationally combines the first and second signals.4. The method of claim 1 , wherein the at least one detector is a first detector claim 1 , the method further comprising:detecting with a second detector electromagnetic radiation from the electromagnetic radiation source;generate a third signal with the second ...

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Номер записи: 82
31-10-2013 дата публикации

Methods and Devices for Optically Determining A Characteristic of a Substance

Номер: US20130284899A1
Автор: Freese Robert, Jones Christopher Michael, Perkins David, Simcock Michael, Soltmann William
Принадлежит:

Optical computing devices are disclosed. One exemplary optical computing device includes an electromagnetic radiation source configured to optically interact with a sample and first and second integrated computational elements arranged in primary and reference channels, respectively. The first and second integrated computational elements produce first and second modified electromagnetic radiations, and a detector is arranged to receive the first and second modified electromagnetic radiations and generate an output signal corresponding to the characteristic of the sample. 1. A device , comprising:an electromagnetic radiation source configured to optically interact with a sample having a characteristic of interest;a first integrated computational element arranged within a primary channel and configured to optically interact with the electromagnetic radiation source and produce a first modified electromagnetic radiation;a second integrated computational element arranged within a reference channel and configured to optically interact with the electromagnetic radiation source and produce a second modified electromagnetic radiation; anda first detector arranged to receive the first and second modified electromagnetic radiations from the first and second integrated computational elements, respectively, and generate an output signal corresponding to the characteristic of the sample.2. The device of claim 1 , wherein the first detector is a split detector comprising a first detector portion arranged in the primary channel to receive the first modified electromagnetic radiation and a second detector portion arranged in the reference channel to receive the second modified electromagnetic radiation.3. The device of claim 2 , wherein the split detector computationally combines the first and second modified electromagnetic radiations to determine the characteristic of the sample.4. The device of claim 2 , wherein the output signal comprises a first output signal generated by the ...

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Номер записи: 83
31-10-2013 дата публикации

Methods and Devices for Optically Determining A Characteristic of a Substance

Номер: US20130284900A1
Автор: Freese Robert, Jones Christopher Michael, Perkins David, Simcock Michael, Soltmann Bill
Принадлежит:

Optical computing devices are disclosed. One exemplary optical computing device includes an electromagnetic radiation source configured to optically interact with a sample and first and second integrated computational elements arranged in primary and reference channels, respectively. The first and second integrated computational elements produce first and second modified electromagnetic radiations, and a detector is arranged to receive the first and second modified electromagnetic radiations and generate an output signal corresponding to the characteristic of the sample. 1. A method of determining a characteristic of a sample , comprising:optically interacting an electromagnetic radiation source with the sample and a first integrated computational element arranged within a primary channel and a second integrated computational element arranged within a reference channel;producing first and second modified electromagnetic radiations from the first and second integrated computational elements, respectively;receiving the first and second modified electromagnetic radiations with a first detector; andgenerating an output signal with the first detector, the output signal corresponding to the characteristic of the sample.2. The method of claim 1 , wherein the first detector is a split detector comprising a first detector portion arranged in the primary channel and a second detector portion arranged in the reference channel claim 1 , wherein receiving the first and second modified electromagnetic radiations further comprises:receiving the first modified electromagnetic radiation with the first detector portion; andreceiving the second modified electromagnetic radiation with the second detector portion.3. The method of claim 2 , further comprising computationally combining the first and second modified electromagnetic radiations with the first detector to determine the characteristic of the sample.4. The method of claim 2 , wherein the output signal comprises a first output ...

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Номер записи: 84
31-10-2013 дата публикации

Methods and Devices for Optically Determining A Characteristic of a Substance

Номер: US20130284901A1
Автор: Freese Robert, Jones Christopher Michael, Perkins David, Simcock Michael, Soltmann William
Принадлежит:

Optical computing devices are disclosed. One exemplary optical computing device includes an electromagnetic radiation source configured to optically interact with a sample and first and second integrated computational elements arranged in primary and reference channels, respectively, the first and second computational elements are configured to be either positively or negatively correlated to the characteristic of the sample. The first and second integrated computational elements produce first and second modified electromagnetic radiations, and a detector is arranged to receive the first and second modified electromagnetic radiations and generate an output signal corresponding to the characteristic of the sample. 1. A method of determining a characteristic of a sample , comprising:optically interacting an electromagnetic radiation source with the sample and a first integrated computational element arranged within a primary channel and a second integrated computational element arranged within a reference channel, wherein the first and second computational elements are configured to be positively or negatively correlated to the characteristic of the sample;producing first and second modified electromagnetic radiations from the first and second integrated computational elements, respectively;receiving the first and second modified electromagnetic radiations with a first detector; andgenerating an output signal with the first detector, the output signal corresponding to the characteristic of the sample.2. The method of claim 1 , wherein the first detector is a split detector comprising a first detector portion arranged in the primary channel and a second detector portion arranged in the reference channel claim 1 , wherein receiving the first and second modified electromagnetic radiations further comprises:receiving the first modified electromagnetic radiation with the first detector portion; andreceiving the second modified electromagnetic radiation with the second ...

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Номер записи: 85
31-10-2013 дата публикации

Methods and Devices for Optically Determining A Characteristic of a Substance

Номер: US20130284904A1
Автор: Freese Robert, Jones Christopher Michael, Perkins David, Simcock Michael, Soltmann William
Принадлежит:

Optical computing devices are disclosed. One exemplary optical computing device includes an electromagnetic radiation source configured to optically interact with a sample and first and second integrated computational elements arranged in primary and reference channels, respectively, the first and second computational elements are configured to be either positively or negatively correlated to the characteristic of the sample. The first and second integrated computational elements produce first and second modified electromagnetic radiations, and a detector is arranged to receive the first and second modified electromagnetic radiations and generate an output signal corresponding to the characteristic of the sample. 1. A device , comprising:an electromagnetic radiation source configured to optically interact with a sample having a characteristic of interest;a first integrated computational element arranged within a primary channel and configured to optically interact with the electromagnetic radiation source and produce a first modified electromagnetic radiation, wherein the first integrated computational element is configured to be positively or negatively correlated to the characteristic of interest;a second integrated computational element arranged within a reference channel and configured to optically interact with the electromagnetic radiation source and produce a second modified electromagnetic radiation, wherein the second integrated computational element is configured to be positively or negatively correlated to the characteristic of interest; anda first detector arranged to receive the first and second modified electromagnetic radiations from the first and second integrated computational elements, respectively, and generate an output signal corresponding to the characteristic of the sample.2. The device of claim 1 , wherein the first integrated computational element is configured to be positively correlated to the characteristic of interest and the second ...

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Номер записи: 86
31-10-2013 дата публикации

Devices Having an Integrated Computational Element and a Proximal Interferent Monitor and Methods for Determining a Characteristic of a Sample Therewith

Номер: US20130287061A1
Автор: Freese Robert, Jones Christopher Michael, Perkins David, Simcock Michael, Soltmann Bill
Принадлежит:

The output of optical computing devices containing an integrated computational element can be corrected when an interferent substance or condition is present. The devices may comprise an optional electromagnetic radiation source; a sample detection unit comprising an integrated computational element and a detector configured to receive electromagnetic radiation that has optically interacted with the integrated computational element and produce a sample signal associated therewith; an interferent monitor located proximal to the sample detection unit, the interferent monitor being configured to produce an interferent signal associated with an interferent substance; and a signal processing unit operable to convert the interferent signal into an interferent input form suitable for being computationally combined with the sample signal, the signal processing unit being further operable to computationally combine the sample signal and the interferent input form to determine a characteristic of a sample in real-time or near real-time. 1. A device comprising:an optional electromagnetic radiation source;a sample detection unit comprising an integrated computational element and a detector that is configured to receive electromagnetic radiation that has optically interacted with the integrated computational element and produce a sample signal associated therewith;an interferent monitor located proximal to the sample detection unit, the interferent monitor being configured to produce an interferent signal associated with an interferent substance; anda signal processing unit that is operable to convert the interferent signal into an interferent input form suitable for being computationally combined with the sample signal, the signal processing unit being further operable to computationally combine the sample signal and the interferent input form to determine a characteristic of a sample in real-time or near real-time.2. The device of claim 1 , wherein the sample detection unit ...

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Номер записи: 87
31-10-2013 дата публикации

SPINNING FORCE APPARATUS

Номер: US20130288349A1
Автор: Halvorsen Kenneth Anders, Wong Wesley Philip
Принадлежит:

A spinning force system and methods of operation are provided for measuring a characteristic of a sample. The system includes a detection module having a light source for illuminating the sample and an objective being aligned to the light source to define a light path for producing an image of the sample. A rotor is mechanically coupled to the detection module and configured to rotate the light path for applying a force to the sample. The force may include a centrifugal force and other forms of force (such as a viscous drag force) resulted from the rotation. In some examples, the force is applied in a direction that is not parallel to a surface of the sample. 145-. (canceled)46. An apparatus for measuring a characteristic of a sample , the apparatus comprising:a detection module including a light source for illuminating the sample and an objective being aligned to the light source to define a light path for producing an image of the sample; anda rotor mechanically coupled to the detection module, the rotor being configured to rotate the light path for applying a force to the sample.47. The apparatus of claim 46 , wherein the detection module further includes a sensor for detecting the image of the sample and for generating electrical signals representative of the image.48. The apparatus of claim 47 , wherein the sensor includes a light detector.49. The apparatus of claim 48 , wherein the light detector includes a charge-coupled device.50. The apparatus of claim 47 , wherein the rotor is further configured to rotate the sensor at an angular velocity the same as that of the light path.51. The apparatus of claim 47 , wherein the sensor is stationary to a ground.52. The apparatus of claim 51 , wherein the detection module further includes a rotating mirror for directing a light signal generated by the objective to the sensor claim 51 , the light signal being representative of the image of the sample.53. The apparatus of claim 46 , wherein the detection module further ...

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Номер записи: 88
07-11-2013 дата публикации

Solution Sample Holding Method, Sample Cell, And Circular Dichroism Measuring Apparatus

Номер: US20130293887A1
Автор: Ettore Castiglioni, Ichitaro Kohge, Yoshiro Kondo
Принадлежит: Jasco Corp

A solution sample holding method between two light-transmitting plate-like members for measuring light passing through a minute amount of solution sample, comprises a dripping step and a covering step. The dripping step is to drip a minute amount of solution sample in a drip area of a sample mounting face of a first light-transmitting member. The sample mounting face also includes a liquid-repellent area surrounding the drip area. The covering step is to cover the solution sample with a second light-transmitting member and to maintain a predetermined distance between the first light-transmitting member and the second light-transmitting member. The liquid-repellent area of the sample mounting face is covered with a liquid-repellent substance. The minute amount of solution sample is held in contact with the two light-transmitting members.

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Номер записи: 89
07-11-2013 дата публикации

Measuring arrangement for optically evaluating a chemical reaction quantitatively

Номер: US20130294973A1
Автор: Max Sonnleitner
Принадлежит: Greiner Bio One GmbH Germany

The invention relates to a measuring arrangement for optically evaluating a chemical reaction quantitatively, comprising a sample carrier having a carrier layer and a sample layer having an analysis side and a light outlet side opposite the analysis side, and comprising a photosensitive sensor having a plurality of photodetectors on a carrying body and having a transparent surface layer arranged over the photodetectors. A plurality of test sections are arranged on the analysis side at a distance from each other in a longitudinal direction of the sample layer. The analysis side is arranged on the carrier layer in such a way that the test sections face a volume of a microfluidic system. The sample carrier is detachably arranged in an accommodating device, so that the light outlet side faces the photosensitive sensor and the test sections are arranged over the photodetectors. Furthermore, the distance between the test sections and the photodetectors is less than 700 μm.

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Номер записи: 90
07-11-2013 дата публикации

BIO-MOLECULE DETECTING DEVICE AND BIO-MOLECULE DETECTING METHOD

Номер: US20130295555A1
Автор: KIMURA Toshihito
Принадлежит:

A bio-molecule detecting device that enables high-sensitivity measurement is provided. The bio-molecule detecting device was configured so that the orientation directions of free molecules and binding molecules in a solution are switched by switching the radiation direction of orientation control light, whereby the light extinction amount can be changed using nanorods associated with the free molecules and the binding molecules. In addition, between the free molecules and the binding molecules, there is a difference in the necessary time for the orientation direction to be switched by switching the radiation direction of the orientation control light, and therefore the timings, at which the light extinction amounts by the respective molecules change, are different. 1. A bio-molecule detecting device comprising:an orientation control unit that, in a solution including first complexes having a substance that can specifically bond to a specific bio-molecule and a detection label exhibiting anisotropic light absorption characteristics and second complexes in which the bio-molecule is specifically bonded to the first complexes through the substance, orients the first complexes and the second complexes in at least two directions;a first light source that radiates first light having a linearly-polarized light component in a specific direction on the solution;a detection unit that measures a light extinction amount of the first light by the solution; anda computation unit that carries out detection or quantity determination of the bio-molecule based on the light extinction amount of the light measured using the detection unit,wherein the first light is light having a wavelength at which the light extinction amount by the detection label is changed by a change in orientation directions of the first complexes and the second complexes.2. The bio-molecule detecting device according to claim 1 , wherein the first light is light in which changes in the orientation directions of ...

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Номер записи: 91
07-11-2013 дата публикации

AIR-CONDITIONING DEVICE

Номер: US20130295835A1
Автор: Fleischer Maximilian, Reinschke Johannes
Принадлежит: SIEMENS AKTIENGESELLSCHAFT

A control/regulation unit and a sensor device in an air-conditioning device enable detecting presence of an analyte in room air to infer the quality of the room air. A light source emits light into the room on a light path that is reflected to a light-sensitive detector. The air-conditioning device is controlled/regulated as a function of an output of the detector. If the analyte is situated on the light path, the light is scattered and/or absorbed such that the detector detects a smaller quantity of light, on the basis of which it is possible to infer the presence of the analyte. The light source can be pivoted to set various light paths through the room to determine where the analyte is situated in the room based on the output of the detector for each light path. The air-conditioning device can controlled to selectively influence the atmospheric environment locally. 114-. (canceled)15. An air-conditioning device for influencing the atmospheric environment in a room , comprising:a control and regulation unit; and a radiation source emitting, during operation, radiation into the room on a beam path having a propagation direction pivotable over at least part of the room, such that various radiation paths through the room can be set, and', 'a detector, arranged such that at least part of the radiation emitted by the radiation source and diffusely reflected in the room during operation can fall directly or indirectly onto the detector which is sensitive to at least the radiation, the detector producing at least one output signal for the radiation paths that can be set, dependent on presence and/or concentration, in the beam path, of a specific analyte that is to be detected, and on a light quantity or an intensity of the radiation which falls on the detector, the control and regulation unit configured to control and/or regulate the air-conditioning device as a function of the output signal of the detector., 'at least one sensor device, each including'}16. The air- ...

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Номер записи: 92
07-11-2013 дата публикации

Microfluidics System for Sequencing

Номер: US20130296187A1
Автор: Peumans Peter
Принадлежит: IMEC

A sensor chip () for use in multiplexed analysis of at least one sample is described. The sensor chip () comprises a plurality of sensing sites, each sensing site adapted for sensing an optional interaction of a sample with a component and an input waveguide for receiving radiation from a frequency comb radiation source and guiding said radiation along said plurality of sensing sites. At each sensing site, a distinct optical sensitive element is adapted for, at a distinct frequency, sensing an optional interaction of said sample with said component. An output means provides output of the radiation representative for the sensing dependent on said optional interaction of said sample with said component at said plurality of sensing sites. 1. A sensor chip for use in multiplexed analysis of at least one sample , the sensor chip comprisinga plurality of sensing sites, each sensing site adapted for sensing an optional interaction of a sample with a component,an input waveguide for receiving radiation from a frequency comb radiation source and guiding said radiation along said plurality of sensing sites,at each sensing site, a distinct optical sensitive element adapted for, at a distinct frequency of said radiation, sensing the optional interaction of said sample with said component, whereby the distinct frequency for said sensing is different for each sensing site,an output means for outputting radiation representative for said sensing dependent on said optional interaction of said sample with said component at said plurality of sensing sites.2. A sensor chip according to claim 1 , wherein the distinct optical sensitive element is a distinct optical resonator element adapted for at a distinct frequency of said radiation claim 1 , resonant radiation coupling between the input waveguide and the optical resonator element claim 1 , the resonant radiation coupling being dependent on the optional interaction of the sample with the component claim 1 , whereby the distinct ...

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Номер записи: 93
14-11-2013 дата публикации

MEASURING DEVICE AND MEASURING METHOD

Номер: US20130298676A1
Автор: Bauer Christoph
Принадлежит:

In a measurement device () including a measurement chamber (), in which an electromagnetic wave (), having a carrier frequency and modulated by a modulation frequency, acts on a sample, it is proposed to arrange an acoustic pickup (), which is tuned to the modulation frequency, outside of the measurement chamber () and to connect this acoustic pickup via acoustic decoupling means () to the measurement chamber () for detecting acoustic excitations () generated in the sample by the acting electromagnetic wave (). 11234266282962. A measurement device () for examining at least one constituent in a solid , liquid or gaseous sample , comprising a measurement chamber () for receiving the sample , a light source () configured to generate an electromagnetic wave () , interacting with the sample in the measurement chamber () , having a carrier frequency and a modulation frequency , the carrier frequency is tuned to the at least one constituent , and an acoustic pickup () , which is tuned to the modulation frequency , wherein the acoustic pickup () is arranged outside of the measurement chamber () and , in or on a wall () of the measurement chamber () , an acoustic decoupling element () is provided by which the acoustic pickup () is coupled acoustically to the sample situated in the measurement chamber ().216109. The measurement device () as claimed in claim 1 , wherein the acoustic pickup () comprises a resonator () claim 1 , which is connected to the acoustic decoupling element ().3191156. The measurement device () as claimed in claim 1 , wherein the acoustic decoupling element () comprises at least one of an acoustic window or a gas-tight or liquid-tight claim 1 , acoustic separation element () which is transmissive to an acoustic excitation () which is to be detected with or detectable by the acoustic pickup ().46125. The measurement device as claimed in claim 1 , wherein the acoustic pickup () comprises a resonance element () claim 1 , responding to acoustic excitations ...

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Номер записи: 94
21-11-2013 дата публикации

Optical biosensor, bio-sensing system including the same, and method of fabricating the optical biosensor

Номер: US20130309135A1
Автор: Dong-Mo IM, Kyoung-won Na, Sung Dong SUH, Yoon-dong Park
Принадлежит: SAMSUNG ELECTRONICS CO LTD

An optical biosensor including a bio-sensing unit configured to receive an optical signal and generating a sensed optical signal, the wavelength of which varies according to a result of sensing a biomaterial; and a spectrometer including a plurality of ring resonators for dividing the sensed optical signal according to a wavelength and generating a plurality of output optical signals, respectively.

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Номер записи: 95
28-11-2013 дата публикации

METHOD FOR MEASURING TOTAL CONCENTRATION OF OXIDIZING AGENTS, CONCENTRATION METER FOR MEASURING TOTAL CONCENTRATION OF OXIDIZING AGENTS, AND SULFURIC ACID ELECTROLYSIS DEVICE EQUIPPED WITH SAME

Номер: US20130313129A1
Автор: Domon Hiroki, Kato Masaaki, Kosaka Junko
Принадлежит: CHLORINE ENGINEERS CORP., LTD.

Provided are: a method of measuring the total concentration of oxidizing agents, by which the total concentration can be determined in a single measurement with simple operations even in an evaluation solution containing multiple components such as persulfuric acid, perosulfate and hydrogen peroxide; a simple and inexpensive concentration meter for measuring the total concentration of oxidizing agents; and a sulfuric acid electrolysis device comprising the concentration meter. 1. A method of measuring the total concentration of oxidizing agent(s) in an evaluation solution containing at least one oxidizing agent , said method being characterized by comprising at least the steps of:heat-treating said evaluation solution at 50 to 135° C. (heat treatment step); anddetecting hydrogen peroxide in the thus heat-treated evaluation solution (hydrogen peroxide detection step).2. The method according to claim 1 , wherein said evaluation solution comprises claim 1 , as said oxidizing agent claim 1 , at least one of peroxodisulfate ion claim 1 , peroxomonosulfate ion and hydrogen peroxide.3. The method according to claim 1 , wherein said evaluation solution has an acid concentration of 6 to 24 mol/l.4. The method according to claim 1 , wherein said heat treatment in said heat treatment step is performed for 2 to 70 minutes after the temperature of said evaluation solution reached a prescribed temperature.5. The method according to claim 1 , wherein hydrogen peroxide is detected in said hydrogen peroxide detection step by using any one selected from absorbance claim 1 , electrochemical process claim 1 , ultrasonic wave claim 1 , density and refractive index.6. The method according to claim 5 , wherein detection of hydrogen peroxide in said hydrogen peroxide detection step is performed by measuring the absorbance at a wavelength of 220 to 290 nm.7. The method according to claim 5 , wherein detection of hydrogen peroxide in said hydrogen peroxide detection step is performed by an ...

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Номер записи: 96
28-11-2013 дата публикации

Optical waveguide having a varying index gradient

Номер: US20130315547A1
Автор: Bertrand Parvitte, Mickael Brun, Sergio Nicoletti, Virginie Zeninari
Принадлежит: Commissariat a lEnergie Atomique et aux Energies Alternatives CEA

A photoacoustic detection device including a nanophotonic circuit including a first chip on which is formed at least one optical waveguide and in which is formed a set of cavities defining a Helmholtz resonator; at least one optical source capable of emitting an optical signal in a given wavelength range, capable of being modulated at an acoustic modulation frequency, this source being attached to the first chip; a second chip forming a cap for said cavities and including acoustic sensors; and electronic circuits for processing the output of the acoustic sensors formed in the first or the second chip. Further, an optical waveguide comprising, on a silicon substrate, a silicon germanium core with a variable germanium concentration along a direction perpendicular to the substrate, said core being covered with a cladding silicon layer.

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Номер записи: 97
05-12-2013 дата публикации

DEFECT TESTER

Номер: US20130321795A1
Автор: Keesee Ric, Packer Stephen, Supernaw Michael
Принадлежит: BELVAC PRODUCTION MACHINERY, INC.

A defect tester for detecting a defect in an article in a machine arrangement includes a starwheel having one or more pockets configured to hold respective one or more articles. The defect tester further includes one or more disks. Each of the one or more disks has one or more openings. Each of the one or more openings includes a covering configured to form a seal with an open end of the article. The defect tester further includes one or more detector units configured to detect a range of radiation wavelengths in an interior of the article. The radiation wavelengths are directed on an exterior of the article. The one or more detector units are further configured to communicate to a controller whether a defect has been detected. 1. A defect tester for detecting a defect in an article in a machine arrangement , the defect tester comprising:a starwheel having one or more pockets configured to hold respective one or more articles;one or more disks, each of the one or more disks having one or more openings, each of the one or more openings including a covering configured to form a seal with an open end of the article; andone or more detector units configured to detect a range of radiation wavelengths in an interior of the article, the radiation wavelengths being directed on an exterior of the article, the one or more detector units being further configured to communicate to a controller whether a defect has been detected.2. The defect tester of claim 1 , wherein the controller controls the defect tester and the machine arrangement.3. The defect tester of claim 1 , wherein the article is a can or a container.4. The defect tester of claim 1 , wherein the one or more disks is one disk claim 1 , the disk including the one or more detector units.5. The defect tester of claim 1 , wherein the one or more disks includes a first disk and a second disk claim 1 , the second disk being configured to cover the first disk such that the first and second disks are impermeable to ...

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Номер записи: 98
12-12-2013 дата публикации

Cavity opto-mechanical sensor array

Номер: US20130330232A1
Автор: Marcel W. Pruessner, Todd H. Stievater, William S. Rabinovich
Принадлежит: US Department of Navy

A mass sensor system including multiple Fabry-Perot microcavities connected in parallel by multiple waveguides. Each of the mass sensors includes a microbridge having a fundamental resonance frequency, and a movable reflective mirror etched into the microbridge; a fixed reflective mirror etched in a substrate, the fixed reflective mirror being fixed to the substrate in a region spaced apart from the movable reflective mirror; and an optical waveguide etched in the substrate that connects the movable mirror and the fixed mirror forming the Fabry-Perot microcavity interferometer. The system includes a tunable continuous-wave laser operative to optically interrogate the Fabry-Perot microcavity of each of the plurality of mass sensors, and a receiver operative to receive sensor signals from each of the plurality of mass sensors, the sensor signals comprising reflective signals and transmitted signals. A continuous-wave laser may generate optical forces that modify the motion, dynamics, or mechanical Q-factor of the microbridge.

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Номер записи: 99
19-12-2013 дата публикации

Property measurement system for metal material

Номер: US20130335745A1
Автор: Mitsuhiko Sano
Принадлежит: Toshiba Mitsubishi Electric Industrial Systems Corp

A property measurement system for a metal material includes: a laser oscillator that emits a pulse laser beam; a lens array that has small lenses with a same shape, the small lenses being laid in a matrix on a plane perpendicular to an optical axis of the pulse laser beam, and arranged so that a part of a cross section of the pulse laser beam can be made incident onto each of small lenses; a condensing lens that overlaps and condenses emitted beams coming from the small lenses on a same region of a surface of a metal material as a measurement target; a laser interferometer that detects, as an electric signal, a pulse ultrasonic wave that is excited by the pulse laser beam condensed and propagates through an inside of the metal material; and a signal processing device that processes the electric signal.

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Номер записи: 100