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    SPATIALLY RESOLVED AEROSOL DETECTION
    202.
    发明公开
    SPATIALLY RESOLVED AEROSOL DETECTION 审中-公开
    空间分辨的气溶胶检测

    公开(公告)号：EP3278084A1

    公开(公告)日：2018-02-07

    申请号：EP16732351.8

    申请日：2016-03-30

    Applicant: Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO

    Inventor： VAN BRUG, Hedser ,  VISSER, Huibert

    IPC: G01N21/21 ,  G01N21/47 ,  G01N21/17 ,  G01J4/00 ,  G01N21/53 ,  G01N15/00

    CPC classification number: G01N21/21 ,  G01J3/0208 ,  G01J3/0224 ,  G01J3/447 ,  G01J4/04 ,  G01N21/538 ,  G01N2021/1793 ,  G01N2021/4704 ,  G01N2021/4711 ,  G01N2021/4792

    Abstract: The invention pertains to an aerosol detector system for spatially resolved detection of an aerosol distribution in an area, comprising: a wide field polarization preserving telescope having telecentric imaging optics for imaging the earth surface onto a detector; said detector receiving phase stepped images imaged by said telescope; and a controller coupled to the detector, arranged to provide a resulting image as a function of corresponding pixel values of the multiple images to produce an image at a spatially resolved polarization state corresponding to said aerosol substance; wherein the telescope comprises a first telecentric imaging lens group and a wavelength filter positioned in a field image of the first telescope telecentric beam to define a spectral range of interest; the telescope further comprising: a converging lens group converging the beam to a pupil stop; relay optics including a second telecentric imaging lens group arranged to generate a telecentric beam; and splitter optics, comprising a polarization splitter for the selected wavelength range to split the telecentric beam into polarized beams; a further splitter; and a retarder to create multiple phase stepped images at different polarizations, the detector comprising multiple image sensors positioned in imaging planes after the splitter optics, and said polarization splitter, further splitter and retarder positioned in the telecentric beam of the second telecentric imaging lens group.

    COMPACT SPECTROMETER
    203.
    发明公开
    COMPACT SPECTROMETER 审中-公开
    紧凑型分光计

    公开(公告)号：EP3056880A3

    公开(公告)日：2016-10-26

    申请号：EP15175050.2

    申请日：2015-07-02

    Applicant: Lighthaus Photonics, PTE. Ltd.

    Inventor： PHUA, Poh Boon

    IPC: G01J3/02 ,  G01J3/453

    CPC classification number: G01J3/0272 ,  G01J3/0202 ,  G01J3/0205 ,  G01J3/0229 ,  G01J3/0256 ,  G01J3/447 ,  G01J3/4531 ,  G01J3/4532

    Abstract: A spectrometer (10) for measuring a spectral signature of an object comprises fringe generating optics (12) for use with a camera (65) and a processor. The fringe generating optics are formed of front optics (45) and birefringent optics (55). The front optics comprises a diffuser adapted to receive light from the object. The birefringent optics is adapted to receive light from the diffuser and to generate interference fringes. The camera is adapted to receive the interference fringes and the processor generates the spectral signature of the object. This spectrometer is an improved Fourier transform spectrometer suitable for use with digital cameras, such as cameras found in mobile devices.

    LIQUID CRYSTAL FOURIER TRANSFORM IMAGING SPECTROMETER
    204.
    发明公开
    LIQUID CRYSTAL FOURIER TRANSFORM IMAGING SPECTROMETER 审中-公开
    FOURIER变换BILDGEBUNGSSPEKTROMETER

    公开(公告)号：EP3015832A1

    公开(公告)日：2016-05-04

    申请号：EP15190915.7

    申请日：2015-10-21

    Applicant: Palo Alto Research Center, Incorporated

    Inventor： HEGYI, Alex ,  MARTINI, Joerg

    IPC: G01J3/02 ,  G01J3/45 ,  G01J3/453

    CPC classification number: G01J3/2823 ,  G01J3/0224 ,  G01J3/0256 ,  G01J3/0272 ,  G01J3/447 ,  G01J3/45 ,  G01J3/4531 ,  G01J3/4537 ,  G02F1/133528 ,  G02F1/137 ,  G02F1/141 ,  G02F2001/13355 ,  G09G2310/08 ,  H04N5/2254

    Abstract: A hyperspectral imaging system has a processor to receive hyperspectral imaging parameters and produce a series of images to be acquired at a series of retardances at a series of retardance times, a hyperspectral imaging component having an input polarizer to polarize an incoming beam of light, a liquid crystal variable retarder to receive the polarized beam of light and to produce wavelength-dependent polarized light, an output polarizer to receive the wavelength-dependent polarized light and to convert polarization state information into a form detectable as light intensity, a voltage source connected to the liquid crystal variable retarder, and a retardance controller. The retardance controller receives the series of retardances at a series of retardance times and produces a series of voltages at a series of voltage times to apply to the liquid crystal variable retarder. A focal plane array, synchronized with the retardance controller, receives the light in a form detectable as light intensity and converts the light to a series of images.

    Abstract translation: 高光谱成像系统具有处理器，用于接收高光谱成像参数并产生将在一系列延迟时间下以一系列延迟获取的一系列图像，具有输入偏振器的高光谱成像组件以偏振入射光束， 液晶可变延迟器，用于接收偏振光束并产生依赖于波长的偏振光;输出偏振器，用于接收与波长相关的偏振光，并将偏振状态信息转换成可检测为光强度的形式;电压源连接到 液晶可变延迟器和延迟控制器。 延迟控制器在一系列延迟时间处接收一系列延迟，并产生一系列电压，以施加到液晶可变延迟器。 与延迟控制器同步的焦平面阵列以可以作为光强度检测的形式接收光，并将光转换成一系列图像。

    LIGHT FILTER WITH VARYING POLARIZATION ANGLES AND PROCESSING ALGORITHM
    206.
    发明公开
    LIGHT FILTER WITH VARYING POLARIZATION ANGLES AND PROCESSING ALGORITHM 审中-公开
    与偏振可变角度和处理算法滤光器

    公开(公告)号：EP2539853A1

    公开(公告)日：2013-01-02

    申请号：EP11746963.5

    申请日：2011-02-24

    Applicant: VOROTEC LTD.

    Inventor： VOROTEC LTD.

    IPC: G06K9/46

    CPC classification number: G02B27/288 ,  G01J3/0224 ,  G01J3/2803 ,  G01J3/447 ,  G02B5/201 ,  G02B5/3025

    Abstract: A method, system and polarization filter for analyzing polarization properties of light are described, the method comprising: receiving image data from a plurality of image sensor cells, the image sensor cells comprised in an image sensing system; separating from the received image data polarization information and scene image data of a scene being captured; and processing the polarization information to deduce information. Additionally, a polarization filter for analyzing polarization properties of light is described, the polarization filter comprising an array of polarization cells in various directions of polarization, the polarization filter comprising a core array of at least horizontal polarization filter cell, vertical polarization filter cell, no-polarization filter cell and circular polarization filter cell.

    TUNABLE FILTER, LIGHT SOURCE DEVICE AND SPECTRUM DISTRIBUTION MEASURING DEVICE
    208.
    发明公开
    TUNABLE FILTER, LIGHT SOURCE DEVICE AND SPECTRUM DISTRIBUTION MEASURING DEVICE 审中-公开
    可调谐滤波器，光源装置和光谱分布测量仪

    公开(公告)号：EP2157472A4

    公开(公告)日：2012-09-26

    申请号：EP08753060

    申请日：2008-05-21

    Applicant: NIPPON KOGAKU KK

    Inventor： KATSUNUMA ATSUSHI

    IPC: G02F1/13 ,  G01J3/18 ,  G02B5/30 ,  G02B27/00 ,  G02B27/28

    CPC classification number: G01J3/02 ,  G01J3/0224 ,  G01J3/0229 ,  G01J3/32 ,  G01J3/447 ,  G01J2003/1213 ,  G01J2003/1282 ,  G01J2003/1286 ,  G02B27/0018 ,  G02B27/283 ,  G02F1/13 ,  G02F1/13363 ,  G02F1/29 ,  G02F2001/3528 ,  G02F2203/055 ,  G02F2203/06

    Abstract: Provided is a tunable filter including: a polarization splitter that splits input light into two linearly polarized light rays of mutually orthogonal vibration directions; a wavelength dispersion spectroscopic element that splits the two linearly polarized light rays split by the polarization splitter, into two spectral images having spatial spread in one direction, the two spectral images corresponding to the two linearly polarized light rays; and a reflective spatial modulator device that modulates and reflects linearly polarized light in each wavelength region for the two spectral images independently from each other, where modulated light reflected at the reflective spatial modulator device reenters the wavelength dispersion spectroscopic element and the polarization splitter, thereby splitting and outputting the modulated light, as output light in a wavelength region modulated by the reflective spatial modulator device and output light in a wavelength region not modulated, and input light and reentered light to the polarization splitter and input light and reentered light to the wavelength dispersion spectroscopic element are parallel light fluxes.

    CRYSTAL GRATING APPARATUS
    209.
    发明公开
    CRYSTAL GRATING APPARATUS 审中-公开
    CRYSTAL电网设备

    公开(公告)号：EP1588133A4

    公开(公告)日：2010-09-01

    申请号：EP04703873

    申请日：2004-01-21

    Applicant: SPECRYS LTD

    Inventor： SIRAT GABRIEL ,  NEUHAUSER DANIEL ,  WILNER KALMAN ,  VAKNIN DAVID

    IPC: G01J3/447 ,  G01N21/21 ,  G01J3/02 ,  G01J3/42

    CPC classification number: G01N21/21 ,  G01J3/447

    Abstract: Apparatus for analyzing light having at least one wavelength, the apparatus comprising: (a) a light deflector for deflecting the light so as to provide a deflected light beam characterized by at least one wavelength-dependent angle, respectively corresponding to the at least one wavelength of the light; (b) an encoder, capable of encoding the deflected light beam so as to provide an encoded light beam characterized by at least one angle-dependent polarization state, respectively corresponding to the at least one wavelength-dependent angle; and (c) a decoder, for decoding the encoded light beam so as to determine at least one spectral component of the light.

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