Abstract:
An evaluation apparatus is proposed for a digital data gathering device that accepts incoming light through a lens of the digital data gathering device. The evaluation apparatus includes a light shroud having an enclosing wall, which substantially surrounds the lens and extends a predetermined distance outward, forming a distal edge portion. An illumination source is provided to be in selective communication with an interior of the light shroud. The light shroud prevents ambient light from entering the interior of the light shroud when a substantial entirety of the distal edge portion of the enclosing wall is in touching contact with an object.
Abstract:
Un dispositif d'analyse spectroscopique de carottes de forage (C), notamment de carottes de forage d'exploration pétrolière, minière ou scientifique mettant en œuvre une méthode d'analyse spectroscopique induite par ablation laser (LIBS), comprend un ensemble de mesure (6), avec des moyens optiques d'illumination laser, reliés à une source laser (63), configurés pour diriger au moins un faisceau laser apte à générer en un point de la carotte le plasma requis pour l'utilisation de la méthode LIBS, des moyens optiques de collecte de la lumière du plasma. Une caméra d'imagerie permet de photographier précisément la zone d'analyse et de filmer l'analyse (65). Au moins un spectromètre (93) est relié aux moyens optiques de collecte. Des moyens de traitement de données sont prévus pour traiter les signaux fournis par le(s) spectromètre(s) et les images fournies par la caméra. Un support de carotte (7) supporte la carotte sur une table de mesure, et pour maintenir la carotte dans une position prédéterminée. Des moyens (61, 62) permettent d'opérer un déplacement relatif entre l'ensemble de mesure (6) et le support de carotte (7), selon au moins la direction axiale (A1) de la carotte, et pour positionner le faisceau laser, respectivement l'axe optique des moyens optiques de collecte, en des points prédéterminés de la carotte. Des moyens de réglage (511) facilitent le réglage de la distance entre le support de carotte et l'ensemble de mesure.
Abstract:
본 발명은 광범위 시료에 존재하는 다수의 검색 대상을 고속 정량 분석할 수 있으면서도 장비의 크기와 비용을 줄인 시료 내 검색 대상을 정량 분석하고, 종래의 스팟 단위의 분석과 상이하게 하나 이상의 순차 스캔 구간에 대한 연속적 분광 정보를 한 번의 카메라 동작 기간 중 Read-out함으로써 카메라 동작에 의해 발생하는 노이즈를 줄이면서 스캔 속도를 향상하도록 하여 다차원 다중 표지자 분석의 속도를 매우 향상시키는 등의 효과를 가진 광영역 시료를 고속 정량 분석하는 라만 분석 방법 및 장치에 관한 것이다.
Abstract:
A system (100) and method for spectroscopic mapping, with configurable spatial resolution, of an object include a fiber optic bundle (112) having a plurality of optical fibers arranged in a first array (110) at an input end with each of the plurality of optical fibers spaced one from another and arranged in at least one linear array (114) at an output end. A first mask (108) defining a plurality of apertures equal to or greater in number than the plurality of optical fibers is positioned between an object to be imaged and the input end of the fiber optic bundle. An imaging spectrometer (102) is positioned to receive light from the output end of the fiber optic bundle and to generate spectra of the object. A sensor (118) associated with the imaging spectrometer converts the spectra to electrical output signals for processing by an associated computer.
Abstract:
Disclosed herein are systems and methods for performing angled confocal spectroscopy. Angled confocal spectroscopy permits sensitive, non-invasive investigation of numerous analytes in a wide variety of samples, including tissues and bodily fluids. The methods and systems disclosed herein can be used to measure spectroscopic signatures of analytes within well-defined and very small regions of samples, while at the same time achieving superior rejection of signal contributions from analytes within the sample that do not fall within a volume of interest. Accordingly, measurements can be performed at comparatively high signal-to-noise ratios, and can provide information such as concentrations and distributions of sample analytes at high spatial resolution. By using cylindrically-focused illumination light, samples can be excited by a "sheet" of light, allowing spatial signal averaging and enhancing the stability and reproducibility of the measurements.
Abstract:
The invention relates to a lens main part (10) for a spectrometer for mounting other components (18, 24, 28) of a spectrometer, the lens main part being produced as a sandwich construction from at least three flat elements (12, 14, 16) arranged one on top of the other and interconnected, in particular bonded, each of said flat elements (12, 14, 16) having a low coefficient of thermal expansion which is substantially isotropic, at least on one isotropic plane. The flat elements (12, 14, 16) are arranged on top of one another and interconnected such that their isotropic planes run substantially parallel to one another.
Abstract:
An adjustable mount (300) for an optical device (212) in a laser spectroscopy system (100) is provided. The adjustable mount (300) includes body (232) configured to mount to a process and a reflector mount (230) having a feature configured to mount an optical device (212). An interface (234) between the body (232) and the reflector mount (230) allows relative motion between the reflector mount (230) and the body (232). At least one alignment device (220) is configured to engage the reflector mount (230) and the body (232) to fix a position of the reflector mount (230) relative to the body (232). An optical device (212) is removably mounted to the reflector mount (230) independent of the alignment device (220) and is sealed to the reflector mount (230).
Abstract:
A mechanism that allows for precise motion of the optics of an interferometer is comprised by two or more diaphragm flexures having high lateral stiffness, creating a superior performing Michelson interferometer. When coupled with precise precision control of a mirror surface and a reference laser, the above creates a superior performing Fourier transform spectrometer.
Abstract:
There is disclosed a calibrator configured to calibrate a color of a screen of a display device includes an absorption plate formed of a transformable material, comprising a bottom surface attached to the screen of the display device in a vacuum absorption method; a control portion configured to leave space a first portion of the absorption plate from the screen of the display device; a fixed portion configured to press a second portion of the absorption plate to the screen of the display closely; a rotary portion configured to rotatably coupled to the fixed portion in a horizontal direction and to move the control portion in a vertical direction of the display device, when it is rotated; and a circuit unit mounted in the fixed portion to calibrate the color of the display device, such that the calibrator may be fixed in a precise position of the screen and that the screen calibration can be performed precisely and that the calibrator can be attached even to a tilted screen and used widely.
Abstract:
A mobile computing device that includes an image sensor may be used to detect the result of a biomolecular assay. The biomolecular assay may be performed in an optical assay medium that provides an optical output in response to light from a light source, with the optical output indicating result. A wavelength-dispersive element may be used to disperse the optical output into spatially-separated wavelength components. The mobile computing device may be positioned relative to the wavelength-dispersive element such that different wavelength components are received at different locations on the image sensor. With the mobile computing device positioned in this way, the image sensor may be used to obtain one or more images that include the separated wavelength components of the optical output. A wavelength spectrum of the optical output may be determined from the one or more images, and the result may be determined from the wavelength spectrum.