JP7021061B2 - 液晶可変リターダに光を分配する射出瞳拡張器 - Google Patents
液晶可変リターダに光を分配する射出瞳拡張器 Download PDFInfo
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- G02B27/0081—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for altering, e.g. enlarging, the entrance or exit pupil
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- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
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- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/447—Polarisation spectrometry
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- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
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- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
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- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1313—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells specially adapted for a particular application
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
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- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
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- G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/139—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
- G02F1/1393—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the birefringence of the liquid crystal being electrically controlled, e.g. ECB-, DAP-, HAN-, PI-LC cells
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- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
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Description
Claims (5)
- 光学デバイスであって、
液晶可変リターダ(LCVR)と、
前記LCVRに光学的に結合された射出瞳拡張器と、
前記LCVRの異なる空間領域をカバーする2つ又はそれより多数の電極対と、
を備え、
前記射出瞳拡張器は、
基準光源から基準光を受け取る少なくとも1つの光学入力フィーチャと、
前記基準光源からの前記基準光を受け取り、前記基準光を前記LCVRの1つ以上の空間的に分離された領域に拡張するように結合された、1つ以上の光結合素子と、
を備え、
拡張された前記基準光により行われる空間依存性リターダンス測定は、前記2つ又はそれより多数の電極対の各々に印加される別個のリターダンス制御信号を形成するのに用いられる、光学デバイス。 - 前記入力フィーチャおよび前記光結合素子のうちの少なくとも1つは、回折光学素子を備える、請求項1に記載のデバイス。
- 装置であって、
基準光を提供する光源と、
光学デバイスであって、
液晶可変リターダ(LCVR)と、
前記LCVRに光学的に結合された射出瞳拡張器と、
前記LCVRの異なる空間領域をカバーする2つ又はそれより多数の電極対と、を備え、
前記射出瞳拡張器は、
前記光源から前記基準光を受け取る少なくとも1つの光学入力フィーチャと、
前記光源から前記基準光を受け取り、前記基準光を前記LCVRの1つ以上の空間的に分離された領域に拡張するように結合された、1つ以上の光結合素子と、
を備える、射出瞳拡張器と、を備える、光学デバイスと、
前記LCVRを通過する前記拡張された基準光を検出し、それに応答して電気信号を発生するように整えられた、焦点面アレイと、
前記焦点面アレイに結合された制御器であって、前記制御器は、前記電気信号に基づいて前記LCVRの空間依存性リターダンスを決定し、前記2つ又はそれより多数の電極対の各々に別個のリターダンス制御信号を印加するように構成され、前記別個の制御信号は前記空間依存性リターダンスの測定に基づくものである、制御器と、を備える、装置。 - 前記光学デバイスの各々第1および第2の側に第1および第2の偏光子をさらに備え、前記制御器は、前記LCVRを横切る可変電圧を印加し、前記LCVRを通過する画像に作用する時変リターダンスを作るように構成され、前記偏光子および前記LCVRを通過する前記画像は、前記焦点面アレイを介して検出されたインターフェログラムを形成する、請求項3に記載の装置。
- 前記基準光は、単色の実質的にコリメートされた光を含む、請求項3に記載の装置。
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US15/858,368 | 2017-12-29 | ||
US15/858,368 US10983338B2 (en) | 2017-12-29 | 2017-12-29 | Exit-pupil expander used distribute light over a liquid-crystal variable retarder |
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JP2019120931A JP2019120931A (ja) | 2019-07-22 |
JP2019120931A5 JP2019120931A5 (ja) | 2022-01-11 |
JP7021061B2 true JP7021061B2 (ja) | 2022-02-16 |
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US (1) | US10983338B2 (ja) |
EP (1) | EP3514482A1 (ja) |
JP (1) | JP7021061B2 (ja) |
KR (1) | KR102418084B1 (ja) |
CN (1) | CN109991768B (ja) |
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DE102019108677A1 (de) * | 2019-04-03 | 2020-10-08 | Carl Zeiss Jena Gmbh | Vorrichtungen zum Erzeugen von Leuchtverteilungen mit Lichtwellenleitern |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5247378A (en) | 1991-06-07 | 1993-09-21 | Peter Miller | Optical retarder having means for determining the retardance of the cell corresponding to the sensed capacitance thereof |
US20050036143A1 (en) | 2003-08-15 | 2005-02-17 | Nanometrics Incorporated | Reference calibration of metrology instrument |
US20160123811A1 (en) | 2014-10-29 | 2016-05-05 | Palo Alto Research Center Incorporated | Liquid crystal fourier transform imaging spectrometer |
US20160231566A1 (en) | 2015-02-09 | 2016-08-11 | Tapani Levola | Display System |
Family Cites Families (83)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4342516A (en) | 1980-03-07 | 1982-08-03 | The Perkin-Elmer Corporation | Filter indexing for spectrophotometer system |
US4461543A (en) | 1982-03-26 | 1984-07-24 | Sperry Corporation | Electro optic switch |
JPS62103529A (ja) | 1985-10-31 | 1987-05-14 | Toshiba Corp | 複合管 |
US4848877A (en) | 1987-09-29 | 1989-07-18 | Cambridge Research And Instrumentation, Inc. | Liquid crystal devices and systems using such devices |
US4905169A (en) | 1988-06-02 | 1990-02-27 | The United States Of America As Represented By The United States Department Of Energy | Method and apparatus for simultaneously measuring a plurality of spectral wavelengths present in electromagnetic radiation |
US5126869A (en) | 1990-12-03 | 1992-06-30 | Raytheon Company | Two-dimensional, phased-array optical beam steerer |
US5784162A (en) | 1993-08-18 | 1998-07-21 | Applied Spectral Imaging Ltd. | Spectral bio-imaging methods for biological research, medical diagnostics and therapy |
EP0528542B1 (en) | 1991-07-19 | 1998-09-16 | SHARP Corporation | Optical modulating element and apparatuses using it |
US5347382A (en) | 1992-04-23 | 1994-09-13 | Rumbaugh Scott H | Liquid crystal cell retarder with driving beyond retardance value and two cells for high speed |
JP2925064B2 (ja) | 1993-12-02 | 1999-07-26 | 矢崎総業株式会社 | 可変波長フィルタ |
JPH07212639A (ja) | 1994-01-25 | 1995-08-11 | Sony Corp | テレビジョン・カメラ用電子シャッター装置 |
US5751384A (en) | 1995-05-23 | 1998-05-12 | The Board Of Regents Of The University Of Colorado | Color polarizers for polarizing an additive color spectrum along a first axis and it's compliment along a second axis |
US5856842A (en) | 1996-08-26 | 1999-01-05 | Kaiser Optical Systems Corporation | Apparatus facilitating eye-contact video communications |
US5841536A (en) * | 1997-08-01 | 1998-11-24 | The United States Of America As Represented By The Director Of The National Security Agency | Polarization interferometer apparatus using the polarization dependent phase lag in a birefringent retarder |
CA2328089A1 (en) | 1998-04-08 | 1999-12-29 | Run Zhang | High-speed electro-optic modulator |
US6373607B1 (en) * | 1998-05-22 | 2002-04-16 | Trex Communications Corporation | Liquid crystal variable retarder for free-space laser communication system |
US6169594B1 (en) | 1998-08-24 | 2001-01-02 | Physical Optics Corporation | Beam deflector and scanner |
US6421131B1 (en) | 1999-07-02 | 2002-07-16 | Cambridge Research & Instrumentation Inc. | Birefringent interferometer |
GB2354833A (en) | 1999-09-28 | 2001-04-04 | Sharp Lab Of Europ Ltd | Liquid crystal device |
US7116370B1 (en) | 2000-03-31 | 2006-10-03 | Sharp Laboratories Of Ameria, Inc. | Image processing system optical shifting mechanism |
US6373614B1 (en) | 2000-08-31 | 2002-04-16 | Cambridge Research Instrumentation Inc. | High performance polarization controller and polarization sensor |
US7973936B2 (en) | 2001-01-30 | 2011-07-05 | Board Of Trustees Of Michigan State University | Control system and apparatus for use with ultra-fast laser |
US6576886B1 (en) | 2001-02-20 | 2003-06-10 | General Photonics Corporation | Dynamic control of polarization of an optical signal |
JP4382317B2 (ja) | 2001-12-06 | 2009-12-09 | シチズンホールディングス株式会社 | 液晶可変波長フィルタ装置 |
US6744509B2 (en) | 2002-08-20 | 2004-06-01 | Meadowlark Optics, Inc. | Retardance sweep polarimeter and method |
US7067795B1 (en) | 2002-10-03 | 2006-06-27 | General Photonics Corporation | Methods and systems for dynamic control of polarization of an optical signal |
EP1411333B1 (en) | 2002-10-15 | 2006-03-08 | Centre National De La Recherche Scientifique (Cnrs) | A liquid crystal based polarimetric system, a process for its calibration, and a polarimetric measurement process |
US20040129867A1 (en) * | 2002-12-20 | 2004-07-08 | Mackey Jeffrey R. | Force measurement system using polarization-state modulated optical polarimetry |
US7897406B2 (en) | 2002-12-20 | 2011-03-01 | Fiso Technologies Inc. | Method and sensor for detecting a chemical substance using an optically anisotropic material |
US7782377B2 (en) | 2003-02-26 | 2010-08-24 | Canon Kabushiki Kaisha | Image sensing apparatus, control method therefor, storage medium, and program to create correction data |
JP4285350B2 (ja) | 2004-02-26 | 2009-06-24 | セイコーエプソン株式会社 | 視角制御素子およびその製造方法、液晶表示装置、電子機器 |
JP2005348140A (ja) | 2004-06-03 | 2005-12-15 | Matsushita Electric Ind Co Ltd | カメラ装置 |
JP4400448B2 (ja) | 2004-12-22 | 2010-01-20 | コニカミノルタセンシング株式会社 | 分光輝度計の校正方法、及び校正システムの動作プログラム |
US6992809B1 (en) | 2005-02-02 | 2006-01-31 | Chemimage Corporation | Multi-conjugate liquid crystal tunable filter |
US20080158550A1 (en) | 2005-03-29 | 2008-07-03 | Yoel Arieli | Spectral Imaging Camera and Applications |
US7420663B2 (en) | 2005-05-24 | 2008-09-02 | Bwt Property Inc. | Spectroscopic sensor on mobile phone |
JP4684771B2 (ja) | 2005-06-30 | 2011-05-18 | Hoya株式会社 | 像振れ補正装置 |
JP4205704B2 (ja) | 2005-08-02 | 2009-01-07 | 国立大学法人 北海道大学 | 撮像偏光計測方法 |
US7639363B2 (en) | 2005-09-07 | 2009-12-29 | California Institute Of Technology | Electro-optic imaging Fourier transform spectrometer |
US7630022B1 (en) | 2005-09-20 | 2009-12-08 | Thomas Baur | Advanced liquid crystal tunable filters and method |
US7336323B2 (en) | 2005-09-27 | 2008-02-26 | Chemimage Corporation | Liquid crystal filter with tunable rejection band |
US7525712B2 (en) | 2005-09-29 | 2009-04-28 | Teledyne Scientific & Imaging, Llc | Broad spectral range polarization rotator |
DE102005048240A1 (de) | 2005-10-07 | 2007-04-19 | Stefan Steib | Verfahren zur spektralen, integrierten Kalibrierung eines Bildsensors mittels monochromatischer Lichtquellen |
US8081311B2 (en) | 2005-11-04 | 2011-12-20 | General Hospital Corporation | System for multispectral imaging |
US8644911B1 (en) | 2006-06-30 | 2014-02-04 | Hypermed Imaging, Inc. | OxyVu-1 hyperspectral tissue oxygenation (HTO) measurement system |
US8447087B2 (en) | 2006-09-12 | 2013-05-21 | Carestream Health, Inc. | Apparatus and method for caries detection |
WO2008068753A2 (en) | 2006-12-04 | 2008-06-12 | Ben-Gurion University Of The Negev - Research And Development Authority | Polarization independent birefringent tunable filters |
WO2008151155A2 (en) * | 2007-05-31 | 2008-12-11 | Board Of Regents, The University Of Texas System | Polarization-sensitive spectral interferometry |
GB0717967D0 (en) | 2007-09-14 | 2007-10-24 | Cascade Technologies Ltd | Polarimetric hyperspectral imager |
EP2265936A2 (en) | 2008-04-01 | 2010-12-29 | Koninklijke Philips Electronics N.V. | Spectral detector calibration |
WO2010019515A2 (en) | 2008-08-10 | 2010-02-18 | Board Of Regents, The University Of Texas System | Digital light processing hyperspectral imaging apparatus |
FR2937732B1 (fr) | 2008-10-29 | 2010-12-31 | Horiba Jobin Yvon Sas | Dispositif et procede de mesures polarimetriques spectroscopiques dans le domaine visible et proche infrarouge |
CA2748829C (en) | 2009-01-10 | 2017-03-07 | Goldfinch Solutions, Llc | System and method for analyzing properties of meat using multispectral imaging |
CN101893731B (zh) | 2009-05-21 | 2016-11-23 | 香港科技大学 | 基于光控取向液晶的微偏振检偏器阵列及其制备方法 |
US8982313B2 (en) | 2009-07-31 | 2015-03-17 | North Carolina State University | Beam steering devices including stacked liquid crystal polarization gratings and related methods of operation |
US7999933B2 (en) | 2009-08-14 | 2011-08-16 | Princeton Instruments | Method for calibrating imaging spectrographs |
US8400574B2 (en) | 2010-04-16 | 2013-03-19 | Chemimage Corporation | Short wave infrared multi-conjugate liquid crystal tunable filter |
WO2011132455A1 (ja) | 2010-04-19 | 2011-10-27 | シャープ株式会社 | 表示装置 |
US20110299089A1 (en) | 2010-06-04 | 2011-12-08 | University Of Washington | Compact liquid crystal based fourier transform spectrometer system |
US20120013922A1 (en) | 2010-07-19 | 2012-01-19 | Lotz Michael G | Print Data Format Modification Mechanism |
US9046422B2 (en) | 2011-04-20 | 2015-06-02 | The Arizona Board Of Regents On Behalf Of The University Of Arizona | Ultra-compact snapshot imaging fourier transform spectrometer |
US8422119B1 (en) | 2010-09-20 | 2013-04-16 | Disco Corporation | Compensation of beam walkoff in nonlinear crystal using cylindrical lens |
US8736777B2 (en) | 2011-01-19 | 2014-05-27 | Chemimage Technologies Llc | VIS-SNIR multi-conjugate liquid crystal tunable filter |
EP2551635A1 (de) | 2011-07-26 | 2013-01-30 | Hexagon Technology Center GmbH | Optisches Messsystem mit Filtereinheit zur Extraktion elektromagnetischer Strahlung |
WO2013016651A1 (en) | 2011-07-28 | 2013-01-31 | Massachusetts Institute Of Technology | Camera configuration for three-dimensional imaging of interior spaces |
JP2013096883A (ja) | 2011-11-02 | 2013-05-20 | Seiko Epson Corp | 分光測定装置 |
CN102721470A (zh) * | 2012-06-30 | 2012-10-10 | 青岛市光电工程技术研究院 | 一种静态光谱偏振成像仪 |
US20140362331A1 (en) | 2013-03-15 | 2014-12-11 | Chemlmage Corporation | Short-Wavelength Infrared (SWIR) Multi-Conjugate Liquid Crystal Tunable Filter |
US20140354868A1 (en) | 2013-06-04 | 2014-12-04 | Corning Incorporated | Portable hyperspectral imager |
US9513166B2 (en) | 2013-07-16 | 2016-12-06 | Utah State University Research Foundation | Split field spectral imager |
WO2015015722A1 (ja) | 2013-07-29 | 2015-02-05 | パナソニックIpマネジメント株式会社 | 光学フィルタおよびそれを用いた偏光撮像装置 |
US9631973B2 (en) | 2013-12-13 | 2017-04-25 | Raytheon Company | Multifunction imager |
JP6325740B2 (ja) | 2014-04-02 | 2018-05-16 | エシロール アンテルナシオナル (コンパニー ジェネラル ドプティック) | 色消し位相変調器および光学用具 |
US10469771B2 (en) | 2014-10-29 | 2019-11-05 | Palo Alto Research Center Incorporated | Liquid crystal fourier transform imaging spectrometer |
US11490037B2 (en) | 2014-10-29 | 2022-11-01 | Palo Alto Research Center Incorporated | Liquid crystal fourier transform imaging spectrometer |
US10151634B2 (en) | 2014-11-16 | 2018-12-11 | Ibrahim Abdulhalim | Multi-spectral polarimetric variable optical device and imager |
US10598999B2 (en) | 2015-01-09 | 2020-03-24 | Essilor International | Liquid-crystal achromatic phase modulator |
US10228517B2 (en) | 2015-03-03 | 2019-03-12 | Nistica, Inc. | Optical arrangement for managing diversity and isolation between ports in a wavelength selective switch |
US10425598B2 (en) | 2016-06-20 | 2019-09-24 | Massachusetts Institute Of Technology | Methods and systems for time-encoded multiplexed imaging |
JP6978493B2 (ja) * | 2016-09-21 | 2021-12-08 | マジック リープ, インコーポレイテッドMagic Leap, Inc. | 射出瞳エクスパンダを伴う光学システムのためのシステムおよび方法 |
US10768497B2 (en) | 2016-10-03 | 2020-09-08 | Xerox Corporation | Hyperspectral imaging system |
JP2020514797A (ja) | 2017-01-06 | 2020-05-21 | ニスティカ,インコーポレーテッド | 波長選択スイッチにおける帯域外クロストークを抑制するための光学配置 |
US10884278B2 (en) | 2017-10-24 | 2021-01-05 | Palo Alto Research Center Incorporated | Liquid crystal temperature control by resistive heating |
-
2017
- 2017-12-29 US US15/858,368 patent/US10983338B2/en active Active
-
2018
- 2018-12-03 CN CN201811465061.XA patent/CN109991768B/zh active Active
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5247378A (en) | 1991-06-07 | 1993-09-21 | Peter Miller | Optical retarder having means for determining the retardance of the cell corresponding to the sensed capacitance thereof |
US20050036143A1 (en) | 2003-08-15 | 2005-02-17 | Nanometrics Incorporated | Reference calibration of metrology instrument |
US20160123811A1 (en) | 2014-10-29 | 2016-05-05 | Palo Alto Research Center Incorporated | Liquid crystal fourier transform imaging spectrometer |
US20160231566A1 (en) | 2015-02-09 | 2016-08-11 | Tapani Levola | Display System |
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