公开(公告)号：US20180073923A1

公开(公告)日：2018-03-15

申请号：US15677606

申请日：2017-08-15

Applicant: Otsuka Electronics Co., Ltd.

Inventor： Nobuyuki INOUE ,  Taku NAGASHIMA

IPC: G01J3/02 ,  G01N21/359

CPC classification number: G01J3/027 ,  G01J3/0218 ,  G01J3/0221 ,  G01J3/0264 ,  G01J3/28 ,  G01J3/2803 ,  G01J2003/2876 ,  G01N21/274 ,  G01N21/359

Abstract: There is provided an optical measurement method using a detector having a detection sensitivity to at least a near-infrared region. The optical measurement method including: obtaining an output value by measuring a light sample at any exposure time with the detector; and correcting the output value with an amount of correction corresponding to the output value, when the exposure time at which the output value is obtained is within a second range. The amount of correction includes a product of a coefficient and a square of the exposure time, the coefficient indicating a degree to which an output value obtained when the light sample is measured with the detector at an exposure time within the second range deviates from output linearity obtained when the light sample is measured with the detector at an exposure time within a first range.

公开(公告)号：US20180038798A1

公开(公告)日：2018-02-08

申请号：US15613265

申请日：2017-06-05

Applicant: Nuctech Company Limited

Inventor： Li ZHANG ,  Ziran ZHAO ,  Jianhong ZHANG ,  Hongqiu WANG ,  Yubo ZHANG ,  Haihui LIU

IPC: G01N21/65 ,  G01J3/02 ,  G01J3/44

CPC classification number: G01N21/65 ,  G01J3/0208 ,  G01J3/021 ,  G01J3/0218 ,  G01J3/0221 ,  G01J3/0227 ,  G01J3/0256 ,  G01J3/44 ,  G01J2003/1213 ,  G01N2201/0221 ,  G01N2201/06113 ,  G01N2201/08 ,  G01N2201/0833

Abstract: The disclosure provides a portable Raman device that includes a laser for emitting exciting light; a spectrometer for receiving Raman scattered light and converting the Raman scattered light into an electrical signal after beam splitting; a probe for leading the exciting light to irradiate on a sample and collect the Raman scattered light of the sample; and a fiber system connected between the laser and the probe as well as between the probe and the spectrometer so as to conduct light transmission. In comparison to conventional Raman devices, the portable Raman device of the disclosure has a simplified optical system, such that placement of components of the Raman device are more flexible, the whole size of the Raman device are reduced, and thus requirements of size miniaturization and quick real-time measurement are satisfied.

公开(公告)号：US20170299788A1

公开(公告)日：2017-10-19

申请号：US15488050

申请日：2017-04-14

Applicant: ACADEMIA SINICA

Inventor： Pei-Kuen WEI ,  En-Hung LIN ,  Shu-Cheng LO ,  Kuang-Li LEE

IPC: G02B5/18 ,  G01J3/02 ,  G01J3/18

CPC classification number: G02B5/1861 ,  G01J3/0221 ,  G01J3/24 ,  G01J2003/1852 ,  G01J2003/1857 ,  G02B5/1852

Abstract: A curved diffraction grating includes a substrate and a metal layer. The substrate is a two-dimensional curved plate structure and has a first surface, a second surface and a plurality of microstructures. The first surface is disposed opposite to the second surface, and the microstructures are disposed on the second surface. Each of the microstructures is a saw-tooth structure and has a clear blazed angle. The metal layer is disposed on the microstructures and has a plurality of diffraction structures corresponding to the microstructures. A spectrometer containing the curved diffraction grating and a manufacturing method of the curved diffraction grating are also disclosed.

公开(公告)号：US09791619B2

公开(公告)日：2017-10-17

申请号：US14876411

申请日：2015-10-06

Applicant: General Electric Company

Inventor： William Albert Challener ,  Niloy Choudhury ,  Sabarni Palit

IPC: G02B6/032 ,  G01N21/3504 ,  G02B6/02 ,  G01J3/02 ,  G01N21/03

CPC classification number: G02B6/02328 ,  G01J3/0218 ,  G01J3/0221 ,  G01N21/0303 ,  G01N21/3504 ,  G01N2201/08 ,  G01N2201/088 ,  G02B6/02309 ,  G02B6/02347 ,  G02B6/02371

Abstract: Microstructured optical fiber (MOF) includes a cladding extending a length between first and second ends. The cladding includes an inner porous microstructure that at least partially surrounds a hollow core. A perimeter contour of the hollow core has a non-uniform radial distance from a center axis of the cladding such that first segments of the cladding along the perimeter contour have a shorter radial distance from the center axis relative to second segments of the cladding along the perimeter contour. The cladding receives and propagates light energy through the hollow core, and the inner porous microstructure substantially confines the light energy within the hollow core. The cladding defines at least one port hole that extends radially from an exterior surface of the cladding to the hollow core. Each port hole penetrates the perimeter contour of the hollow core through one of the second segments of the cladding.

公开(公告)号：US20170284867A1

公开(公告)日：2017-10-05

申请号：US15507502

申请日：2015-08-28

Applicant: COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION

Inventor： Stephen GENSEMER ,  Reza ARABLOUEI ,  Mingrui YANG ,  Wen HU ,  Frank DE HOOG

IPC: G01J3/18 ,  G01J3/28 ,  G01J3/02 ,  G01J3/433

CPC classification number: G01J3/18 ,  G01J3/0221 ,  G01J3/0229 ,  G01J3/0264 ,  G01J3/14 ,  G01J3/2823 ,  G01J3/4338 ,  G01J3/50 ,  G01J2003/2826 ,  G06T9/00

Abstract: Apparatus for hyperspectral imaging, the apparatus including input optics that receive radiation reflected or radiated from a scene, a spatial modulator that spatially samples radiation received from the input optics to generate spatially sampled radiation, a spectral modulator that spectrally samples the spatially sampled radiation received from the spatial modulator to generate spectrally sampled radiation, a sensor that senses spectrally sampled radiation received from the spectral modulator and generates a corresponding output signal and at least one electronic processing device that controls the spatial and spectral modulators to cause spatial and spectral sampling to be performed, receives output signals and processes the output signals in accordance with performed spatial and spectral sampling to generate a hyperspectral image.

公开(公告)号：US20170097464A1

公开(公告)日：2017-04-06

申请号：US14876411

申请日：2015-10-06

Applicant: General Electric Company

Inventor： William Albert Challener ,  Niloy Choudhury ,  Sabarni Palit

IPC: G02B6/02 ,  G01J3/02 ,  G01N21/3504

CPC classification number: G02B6/02328 ,  G01J3/0218 ,  G01J3/0221 ,  G01N21/0303 ,  G01N21/3504 ,  G01N2201/08 ,  G01N2201/088 ,  G02B6/02309 ,  G02B6/02347 ,  G02B6/02371

Abstract: Microstructured optical fiber (MOF) includes a cladding extending a length between first and second ends. The cladding includes an inner porous microstructure that at least partially surrounds a hollow core. A perimeter contour of the hollow core has a non-uniform radial distance from a center axis of the cladding such that first segments of the cladding along the perimeter contour have a shorter radial distance from the center axis relative to second segments of the cladding along the perimeter contour. The cladding receives and propagates light energy through the hollow core, and the inner porous microstructure substantially confines the light energy within the hollow core. The cladding defines at least one port hole that extends radially from an exterior surface of the cladding to the hollow core. Each port hole penetrates the perimeter contour of the hollow core through one of the second segments of the cladding.

公开(公告)号：US20160370298A1

公开(公告)日：2016-12-22

申请号：US15122170

申请日：2015-02-13

Applicant: INDIAN INSTITUTE OF SCIENCE

Inventor： Siva UMAPATHY ,  Sanchita SIL ,  Gagan DHAL ,  Freek ARIESE

IPC: G01N21/65 ,  G01J3/44 ,  G01B11/00 ,  G01J3/02

CPC classification number: G01N21/65 ,  G01B11/00 ,  G01J3/0221 ,  G01J3/027 ,  G01J3/0289 ,  G01J3/44 ,  G01J3/4412 ,  G01N21/4795 ,  G01N2201/0221 ,  G01N2201/06113 ,  G01N2201/0826 ,  G01N2201/0833

Abstract: The invention provides a method for chemical signature resolved detection of a concealed object within a system. The method includes irradiating the system at a plurality of positions with aplurality of electromagnetic radiation of specific wavelength; capturing a certain component of the scattered electromagnetic radiation from the object at a plurality of locations along various 3D planes around the system; obtaining a plurality of profiles from the captured component of the scattered electromagnetic radiation; filtering the profiles to obtain a chemical signature specific to the object; and resolving the chemical signatures to detect the concealed object, wherein, the step of detection includes determination of the shape, size and location of the object.

Abstract translation: 本发明提供了一种用于系统内隐蔽物体的化学特征解析检测的方法。 该方法包括在多个具有特定波长的电磁辐射的位置照射系统; 在围绕系统的各种3D平面的多个位置处捕获来自物体的散射电磁辐射的某一分量; 从所述散射电磁辐射的拍摄成分获得多个轮廓; 过滤轮廓以获得特定于物体的化学特征; 以及解析所述化学特征以检测所述隐藏对象，其中，所述检测步骤包括确定所述物体的形状，大小和位置。

公开(公告)号：US20150377787A1

公开(公告)日：2015-12-31

申请号：US14766451

申请日：2014-02-11

Applicant: BRITISH COLUMBIA CANCER AGENCY BRANCH

Inventor： Haishan Zeng ,  Michael Short ,  Jianhua Zhao

IPC: G01N21/65 ,  G01N21/64

CPC classification number: G01N21/65 ,  A61B5/0071 ,  A61B5/0075 ,  A61B5/0084 ,  A61B5/0086 ,  A61B2560/0285 ,  G01J3/0213 ,  G01J3/0221 ,  G01J3/4406 ,  G01N21/64 ,  G01N21/645 ,  G01N2021/6417 ,  G01N2021/6484 ,  G01N2201/08 ,  G01N2201/0833 ,  G01N2201/084

Abstract: Examples of a spectroscopy probe for performing measurements of Raman spectra, reflectance spectra and fluorescence spectra are disclosed. The integrated spectral probe can comprise one or more light sources to provide a white light illumination to generate reflectance spectra, an excitation light to generate an UV/visible fluorescence spectra and a narrow band NIR excitation to induce Raman spectra. The multiple modalities of spectral measurements can be performed within 2 seconds or less. Examples of methods of operating the integrated spectroscopy probe disclosed.

Abstract translation: 公开了用于进行拉曼光谱，反射光谱和荧光光谱测量的光谱探测器的实例。 集成光谱探测器可以包括一个或多个光源以提供白光照明以产生反射光谱，产生UV /可见荧光光谱的激发光和窄带NIR激发以诱导拉曼光谱。 光谱测量的多种方式可以在2秒以内进行。 所公开的集成光谱探测器的操作方法的实例。

公开(公告)号：US20140363338A1

公开(公告)日：2014-12-11

申请号：US14294480

申请日：2014-06-03

Applicant: CANON KABUSHIKI KAISHA ,  The University of Tokyo

Inventor： Takashi SUKEGAWA ,  Yohei KOBAYASHI ,  Akira OZAWA ,  Mamoru ENDO ,  Makoto GONOKAMI

IPC: G02B27/10 ,  G02B5/18 ,  G01N21/75 ,  G01J3/28 ,  G01J3/18

CPC classification number: G02B27/1086 ,  G01J1/0411 ,  G01J1/0414 ,  G01J1/0425 ,  G01J3/0208 ,  G01J3/021 ,  G01J3/0218 ,  G01J3/0221 ,  G01J3/0291 ,  G01J3/18 ,  G01J3/1804 ,  G01J3/22 ,  G01J3/2823 ,  G01J2003/1861 ,  G01N21/75 ,  G02B5/18 ,  G02B2005/1804

Abstract: The present invention provides a spectral apparatus for spectrally separating light including a predetermined wavelength, including a slit that the light enters, a first optical system configured to collimate the light from the slit, a transmissive type diffraction element configured to diffract the light from the first optical system, and a second optical system including a first mirror configured to reflect the light diffracted by the transmissive type diffraction element, and a second mirror configured to reflect the light reflected by the first mirror and diffracted by the transmissive type diffraction element, and configured to make the light reciprocally travel between the first mirror and the second mirror via the transmissive type diffraction element.

Abstract translation: 本发明提供了一种用于光谱分离包括光入射的狭缝的预定波长的光的光谱装置，被配置为准直来自狭缝的光的第一光学系统，被配置为衍射来自第一 光学系统，以及第二光学系统，包括被配置为反射由透射型衍射元件衍射的光的第一反射镜，以及被配置为反射由第一反射镜反射并被透射型衍射元件衍射的光的第二反射镜， 以使光通过透射型衍射元件在第一反射镜和第二反射镜之间往复行进。

公开(公告)号：US20140104607A1

公开(公告)日：2014-04-17

申请号：US13842034

申请日：2013-03-15

Applicant: CHEMIMAGE CORPORATION

Inventor： Patrick J. Treado ,  Matthew Nelson ,  Charles Gardner

IPC: G01N21/65

CPC classification number: G01N21/65 ,  G01J3/02 ,  G01J3/0221 ,  G01J3/0264 ,  G01J3/2823 ,  G01J3/36 ,  G01J3/44 ,  G01N33/22 ,  G01N2021/1738 ,  G01N2021/174 ,  G01N2021/1744 ,  G01N2201/0833 ,  G01N2201/0846

Abstract: The present disclosure provides for a system and method for analyzing a sample comprising at least one unknown material. A first location may be scanned to generate a SWIR hyperspectral image. The SWIR hyperspectral image may be generated using dual polarization techniques. The SWIR hyperspectral image may be analyzed to target a second location comprising the unknown material. This second location may be further analyzed using Raman spectroscopic techniques and a Raman data set may be generated. The Raman data set may be further analyzed to associate the unknown material with a know material.

Abstract translation: 本公开提供了用于分析包含至少一种未知材料的样品的系统和方法。 可以扫描第一位置以产生SWIR高光谱图像。 可以使用双极化技术生成SWIR高光谱图像。 可以分析SWIR高光谱图像以瞄准包括未知材料的第二位置。 可以使用拉曼光谱技术进一步分析该第二位置，并且可以生成拉曼数据集。 可以进一步分析拉曼数据集以将未知材料与知识材料相关联。