JP3781273B2 - 収差補正素子及び収差補正ユニット - Google Patents

収差補正素子及び収差補正ユニット Download PDF

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Publication number
JP3781273B2
JP3781273B2 JP2001030513A JP2001030513A JP3781273B2 JP 3781273 B2 JP3781273 B2 JP 3781273B2 JP 2001030513 A JP2001030513 A JP 2001030513A JP 2001030513 A JP2001030513 A JP 2001030513A JP 3781273 B2 JP3781273 B2 JP 3781273B2
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JP
Japan
Prior art keywords
aberration correction
correction element
aberration
objective lens
electrode
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 - Fee Related
Application number
JP2001030513A
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English (en)
Japanese (ja)
Other versions
JP2002237077A (ja
JP2002237077A5 (enExample
Inventor
昌和 小笠原
良嗣 荒木
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.)
Pioneer Corp
Original Assignee
Pioneer Corp
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 Pioneer Corp filed Critical Pioneer Corp
Priority to JP2001030513A priority Critical patent/JP3781273B2/ja
Priority to US10/046,555 priority patent/US6678232B2/en
Publication of JP2002237077A publication Critical patent/JP2002237077A/ja
Publication of JP2002237077A5 publication Critical patent/JP2002237077A5/ja
Application granted granted Critical
Publication of JP3781273B2 publication Critical patent/JP3781273B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
    • G11B7/13925—Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1365—Separate or integrated refractive elements, e.g. wave plates
    • G11B7/1369—Active plates, e.g. liquid crystal panels or electrostrictive elements

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Head (AREA)
  • Mounting And Adjusting Of Optical Elements (AREA)
JP2001030513A 2001-02-07 2001-02-07 収差補正素子及び収差補正ユニット Expired - Fee Related JP3781273B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2001030513A JP3781273B2 (ja) 2001-02-07 2001-02-07 収差補正素子及び収差補正ユニット
US10/046,555 US6678232B2 (en) 2001-02-07 2002-01-16 Aberration correcting element and assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001030513A JP3781273B2 (ja) 2001-02-07 2001-02-07 収差補正素子及び収差補正ユニット

Publications (3)

Publication Number Publication Date
JP2002237077A JP2002237077A (ja) 2002-08-23
JP2002237077A5 JP2002237077A5 (enExample) 2005-07-07
JP3781273B2 true JP3781273B2 (ja) 2006-05-31

Family

ID=18894723

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001030513A Expired - Fee Related JP3781273B2 (ja) 2001-02-07 2001-02-07 収差補正素子及び収差補正ユニット

Country Status (2)

Country Link
US (1) US6678232B2 (enExample)
JP (1) JP3781273B2 (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6876431B2 (en) * 2001-11-16 2005-04-05 Citizen Watch Co., Ltd. Liquid crystal optical element and an optical device
JP2005071544A (ja) * 2003-08-27 2005-03-17 Mitsumi Electric Co Ltd 球面収差補正板、それを用いた光ピックアップ装置、および球面収差補正方法
JP2005122828A (ja) * 2003-10-16 2005-05-12 Pioneer Electronic Corp 光ピックアップ装置および光学記録媒体再生装置
CN100409032C (zh) * 2004-03-31 2008-08-06 碧理科技有限公司 双重液晶像差校正元件及其制造方法
DE602005024272D1 (de) 2004-06-29 2010-12-02 Asahi Glass Co Ltd Lichtmodulierendes flüssigkristallelement und optische kopfeinrichtung
JP2006031771A (ja) * 2004-07-13 2006-02-02 Pioneer Electronic Corp 収差補正素子、光ピックアップ及び情報機器
JP2006031829A (ja) * 2004-07-16 2006-02-02 Nidec Sankyo Corp 収差補正装置及び光ヘッド装置
JP4501611B2 (ja) * 2004-09-15 2010-07-14 旭硝子株式会社 液晶レンズ素子および光ヘッド装置
EP1785991A4 (en) 2004-08-04 2009-01-07 Asahi Glass Co Ltd LIQUID CRYSTAL LENS ELEMENT AND OPTICAL HEAD
JP4552556B2 (ja) * 2004-08-04 2010-09-29 旭硝子株式会社 液晶レンズ素子および光ヘッド装置
JP4215011B2 (ja) * 2004-09-27 2009-01-28 ソニー株式会社 光ピックアップ及びこれを用いた光ディスク装置
US20090245074A1 (en) * 2008-04-01 2009-10-01 Tunable Optix Corporation Pick-up head assembly for optical disc employing electrically tunable liquid crystal lens
JP2011076714A (ja) * 2010-12-27 2011-04-14 Asahi Glass Co Ltd 光ヘッド装置の製造方法
JP5885546B2 (ja) * 2011-03-11 2016-03-15 シチズンホールディングス株式会社 光学素子、光学素子を備えた顕微鏡装置ならびに光学素子の組み立て方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6480454B1 (en) * 1998-12-15 2002-11-12 Matsushita Electric Industrial Co., Ltd. Optical element, optical head using the optical element, and optical recording and reproducing apparatus using the optical element
JP4234837B2 (ja) * 1999-02-24 2009-03-04 富士通株式会社 光記憶装置
US6532202B1 (en) * 1999-07-07 2003-03-11 Matsushita Electric Industrial Co., Ltd. Optical element, optical head and optical recording reproducing apparatus

Also Published As

Publication number Publication date
JP2002237077A (ja) 2002-08-23
US20020105889A1 (en) 2002-08-08
US6678232B2 (en) 2004-01-13

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