DE69905622D1 - Optische vorrichtung - Google Patents

Optische vorrichtung

Info

Publication number
DE69905622D1
DE69905622D1 DE69905622T DE69905622T DE69905622D1 DE 69905622 D1 DE69905622 D1 DE 69905622D1 DE 69905622 T DE69905622 T DE 69905622T DE 69905622 T DE69905622 T DE 69905622T DE 69905622 D1 DE69905622 D1 DE 69905622D1
Authority
DE
Germany
Prior art keywords
optical device
optical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69905622T
Other languages
English (en)
Other versions
DE69905622T2 (de
Inventor
Nobuyuki Hashimoto
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.)
Citizen Holdings Co Ltd
Original Assignee
Citizen Watch Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Application granted granted Critical
Publication of DE69905622D1 publication Critical patent/DE69905622D1/de
Publication of DE69905622T2 publication Critical patent/DE69905622T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • G02B27/58—Optics for apodization or superresolution; Optical synthetic aperture systems

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
DE69905622T 1999-03-15 1999-06-30 Optische vorrichtung Expired - Lifetime DE69905622T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP6767699 1999-03-15
JP10919699 1999-04-16
PCT/JP1999/003529 WO2000055677A1 (fr) 1999-03-15 1999-06-30 Dispositif optique

Publications (2)

Publication Number Publication Date
DE69905622D1 true DE69905622D1 (de) 2003-04-03
DE69905622T2 DE69905622T2 (de) 2003-12-04

Family

ID=26408889

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69905622T Expired - Lifetime DE69905622T2 (de) 1999-03-15 1999-06-30 Optische vorrichtung

Country Status (6)

Country Link
US (1) US6625102B1 (de)
EP (1) EP1172682B1 (de)
JP (1) JP4148648B2 (de)
KR (1) KR20010102523A (de)
DE (1) DE69905622T2 (de)
WO (1) WO2000055677A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100748574B1 (ko) * 1999-12-24 2007-08-10 코닌클리케 필립스 일렉트로닉스 엔.브이. 광학 파면 변형기
EP1602964A4 (de) * 2003-03-07 2008-08-13 Asahi Glass Co Ltd Optisches dämpfungsglied und optische kopfeinrichtung
JP4300138B2 (ja) * 2004-03-09 2009-07-22 パイオニア株式会社 収差補正装置、並びに光ピックアップの制御装置、制御方法及び制御プログラム
JP4399324B2 (ja) * 2004-07-09 2010-01-13 パイオニア株式会社 収差補正装置、並びに光ピックアップの制御装置、制御方法及び制御プログラム
JP4302642B2 (ja) * 2005-01-14 2009-07-29 シャープ株式会社 光学ヘッドおよびディスク再生装置
US8928845B2 (en) * 2005-04-22 2015-01-06 Citizen Holdings Co., Ltd. Liquid crystal optical element, optical device, and aperture control method
JP4609301B2 (ja) * 2005-12-14 2011-01-12 船井電機株式会社 光ピックアップ装置
JP2007305256A (ja) * 2006-05-12 2007-11-22 Hitachi Maxell Ltd 対物レンズ光学系、光ピックアップ光学系
JP2008117446A (ja) * 2006-11-01 2008-05-22 Sony Corp 光ピックアップ、光ディスク装置、偏光調整板及び光学装置
EP2012311A1 (de) * 2007-07-02 2009-01-07 Deutsche Thomson OHG Strahlformer für ein optisches Speichersystem
CN102681200B (zh) * 2012-05-04 2014-04-09 中国科学院上海光学精密机械研究所 提高超分辨相位板光斑性能的装置
CN103226248A (zh) * 2013-05-21 2013-07-31 上海理工大学 一种利用正交线偏振光束控制焦点旋转的方法
CN104536164B (zh) * 2014-09-28 2018-05-08 广东工业大学 一种基于磁光效应的矢量偏振光束调制系统及方法
US10495921B2 (en) * 2016-10-19 2019-12-03 Kyungpook National University Industry-Academic Cooperation Foundation Flexible liquid crystal lens
US20230213330A2 (en) * 2021-02-03 2023-07-06 Quality Vision International Inc. Partial coherence mitigation in video measurement systems via illumination apodization

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4389649A (en) 1980-10-14 1983-06-21 The United States Army As Represented By The Secretary Of The Army Dual channel correlator for an FM-CW ranging radar
US5061046A (en) 1989-12-19 1991-10-29 The University Of Rochester Gradient index liquid crystal devices and method of fabrication thereof
JPH0737269A (ja) 1993-05-31 1995-02-07 Sanyo Electric Co Ltd 光ピックアップ装置
US5508992A (en) * 1993-09-29 1996-04-16 Tdk Corporation Magneto-optical recording/reproducing pickup head with a diffraction grating and a wollaston prism
JP2616461B2 (ja) 1994-09-19 1997-06-04 日本電気株式会社 超解像光ヘッド装置
JP2990037B2 (ja) 1995-03-09 1999-12-13 日本電気株式会社 超解像光ヘッド
KR100214046B1 (ko) * 1995-03-27 1999-08-02 마츠시타 덴끼 산교 가부시키가이샤 초해상 광헤드장치
JPH1062714A (ja) 1996-08-19 1998-03-06 Fuji Photo Film Co Ltd ビーム径制御方法および装置
WO1998015952A1 (fr) 1996-10-08 1998-04-16 Citizen Watch Co., Ltd. Appareil optique
US5737299A (en) 1996-10-18 1998-04-07 Samsung Electronics Co., Ltd. Optical pickup apparatus having wave plates
US5859424A (en) * 1997-04-08 1999-01-12 Kla-Tencor Corporation Apodizing filter system useful for reducing spot size in optical measurements and other applications

Also Published As

Publication number Publication date
DE69905622T2 (de) 2003-12-04
WO2000055677A1 (fr) 2000-09-21
JP4148648B2 (ja) 2008-09-10
EP1172682A4 (de) 2002-04-24
EP1172682B1 (de) 2003-02-26
US6625102B1 (en) 2003-09-23
EP1172682A1 (de) 2002-01-16
KR20010102523A (ko) 2001-11-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: CITIZEN HOLDINGS CO., LTD., NISHITOKYO, TOKIO/, JP