JP5930600B2 - 偏光分離素子および画像投射装置 - Google Patents

偏光分離素子および画像投射装置 Download PDF

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Publication number
JP5930600B2
JP5930600B2 JP2011085951A JP2011085951A JP5930600B2 JP 5930600 B2 JP5930600 B2 JP 5930600B2 JP 2011085951 A JP2011085951 A JP 2011085951A JP 2011085951 A JP2011085951 A JP 2011085951A JP 5930600 B2 JP5930600 B2 JP 5930600B2
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Japan
Prior art keywords
light
polarization separation
polarization
polarized light
incident
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Expired - Fee Related
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JP2011085951A
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English (en)
Japanese (ja)
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JP2012220702A5 (cg-RX-API-DMAC7.html
JP2012220702A (ja
Inventor
理絵 山本
理絵 山本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
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Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2011085951A priority Critical patent/JP5930600B2/ja
Priority to US13/439,032 priority patent/US8807755B2/en
Publication of JP2012220702A publication Critical patent/JP2012220702A/ja
Publication of JP2012220702A5 publication Critical patent/JP2012220702A5/ja
Application granted granted Critical
Publication of JP5930600B2 publication Critical patent/JP5930600B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/283—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining
    • G02B27/285—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining comprising arrays of elements, e.g. microprisms
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G02B5/3058—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state comprising electrically conductive elements, e.g. wire grids, conductive particles
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2073—Polarisers in the lamp house

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Polarising Elements (AREA)
  • Projection Apparatus (AREA)
JP2011085951A 2011-04-08 2011-04-08 偏光分離素子および画像投射装置 Expired - Fee Related JP5930600B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2011085951A JP5930600B2 (ja) 2011-04-08 2011-04-08 偏光分離素子および画像投射装置
US13/439,032 US8807755B2 (en) 2011-04-08 2012-04-04 Polarization beam splitting element and image projection apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011085951A JP5930600B2 (ja) 2011-04-08 2011-04-08 偏光分離素子および画像投射装置

Publications (3)

Publication Number Publication Date
JP2012220702A JP2012220702A (ja) 2012-11-12
JP2012220702A5 JP2012220702A5 (cg-RX-API-DMAC7.html) 2014-05-15
JP5930600B2 true JP5930600B2 (ja) 2016-06-08

Family

ID=46965869

Family Applications (1)

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JP2011085951A Expired - Fee Related JP5930600B2 (ja) 2011-04-08 2011-04-08 偏光分離素子および画像投射装置

Country Status (2)

Country Link
US (1) US8807755B2 (cg-RX-API-DMAC7.html)
JP (1) JP5930600B2 (cg-RX-API-DMAC7.html)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9494805B2 (en) * 2013-03-26 2016-11-15 Lightspeed Design, Inc. Stereoscopic light recycling device
WO2014208111A1 (ja) * 2013-06-27 2014-12-31 ギガフォトン株式会社 光ビーム計測装置、レーザ装置及び光ビーム分離装置
US10268046B2 (en) 2014-05-28 2019-04-23 Moxtek, Inc. Cube polarizer
US9726897B2 (en) * 2014-05-28 2017-08-08 Motex, Inc. Cube polarizer with minimal optical path length difference
US10234613B2 (en) 2015-02-06 2019-03-19 Moxtek, Inc. High contrast inverse polarizer
US10069211B2 (en) * 2016-09-16 2018-09-04 The United States Of America As Represented By The Secretary Of The Navy Broadband circularly polarized patch antenna and method
KR20190110586A (ko) 2017-02-15 2019-09-30 아코니아 홀로그래픽스 엘엘씨 스큐 조명기
JP2020098259A (ja) 2018-12-18 2020-06-25 セイコーエプソン株式会社 表示装置、および反射型偏光素子
CN115267742B (zh) * 2018-12-27 2025-09-30 深圳市速腾聚创科技有限公司 激光雷达接收系统
CN113866993B (zh) * 2021-11-10 2024-09-10 中企科信技术股份有限公司 一种GaAs基偏振光分束器及其制备方法
JP2023147682A (ja) * 2022-03-30 2023-10-13 セイコーエプソン株式会社 表示装置及び複合表示装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6122103A (en) 1999-06-22 2000-09-19 Moxtech Broadband wire grid polarizer for the visible spectrum
US6288840B1 (en) 1999-06-22 2001-09-11 Moxtek Imbedded wire grid polarizer for the visible spectrum
JP2001154152A (ja) * 1999-09-17 2001-06-08 Hitachi Ltd 光学エンジン、及びこれを用いた映像表示装置
JP3972956B2 (ja) * 2000-01-28 2007-09-05 セイコーエプソン株式会社 プロジェクタ
US7387388B2 (en) * 2004-04-15 2008-06-17 Jds Uniphase Corporation Illumination system using polarization conversion
JP4537115B2 (ja) 2004-05-07 2010-09-01 キヤノン株式会社 偏光分離プリズム
US20080117509A1 (en) * 2004-06-30 2008-05-22 Zeon Corporation Electromagnetic Wave Shielding Grid Polarizer and Its Manufacturing Method and Grid Polarizer Manufacturing Method
JP4622695B2 (ja) * 2004-08-27 2011-02-02 日本ビクター株式会社 投射型表示装置
JP2006133403A (ja) * 2004-11-04 2006-05-25 Canon Inc 偏光分離素子
US20080055549A1 (en) * 2006-08-31 2008-03-06 Perkins Raymond T Projection Display with an Inorganic, Dielectric Grid Polarizer
JP2009515203A (ja) * 2005-05-18 2009-04-09 ホッブズ，ダグラス，エス． 偏光および波長フィルタ処理用微細構造光学装置
JP2006337860A (ja) * 2005-06-03 2006-12-14 Ricoh Opt Ind Co Ltd 偏光分離素子、偏光分離方法、及び光学装置
EP1764644B1 (en) * 2005-09-09 2017-08-30 Viavi Solutions Inc. Optimally oriented trim retarders
JP4785790B2 (ja) * 2007-06-06 2011-10-05 株式会社リコー 偏光変換素子
US7722194B2 (en) * 2007-06-07 2010-05-25 Seiko Epson Corporation Optical element having a reflected light diffusing function and a polarization separation function and a projection display device
JP4979549B2 (ja) * 2007-11-20 2012-07-18 キヤノン株式会社 偏光分離素子及びそれを有する光学機器
TWI374298B (en) * 2008-08-27 2012-10-11 Univ Nat Chiao Tung Structure of polarizing terahertz wave device

Also Published As

Publication number Publication date
JP2012220702A (ja) 2012-11-12
US20120257168A1 (en) 2012-10-11
US8807755B2 (en) 2014-08-19

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