JP5291906B2 - 対物光学素子及び光ヘッド装置 - Google Patents

対物光学素子及び光ヘッド装置 Download PDF

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Publication number
JP5291906B2
JP5291906B2 JP2007218455A JP2007218455A JP5291906B2 JP 5291906 B2 JP5291906 B2 JP 5291906B2 JP 2007218455 A JP2007218455 A JP 2007218455A JP 2007218455 A JP2007218455 A JP 2007218455A JP 5291906 B2 JP5291906 B2 JP 5291906B2
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JP
Japan
Prior art keywords
substrate
numerical aperture
aberration
transparent
optical
Prior art date
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Expired - Fee Related
Application number
JP2007218455A
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English (en)
Japanese (ja)
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JP2009054218A (ja
JP2009054218A5 (enExample
Inventor
将樹 向尾
健 島野
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.)
Maxell Ltd
Original Assignee
Hitachi Maxell Energy 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 Hitachi Maxell Energy Ltd filed Critical Hitachi Maxell Energy Ltd
Priority to JP2007218455A priority Critical patent/JP5291906B2/ja
Priority to KR1020080080726A priority patent/KR20090021077A/ko
Priority to US12/222,886 priority patent/US20090052303A1/en
Priority to CN200810211041XA priority patent/CN101373608B/zh
Publication of JP2009054218A publication Critical patent/JP2009054218A/ja
Publication of JP2009054218A5 publication Critical patent/JP2009054218A5/ja
Application granted granted Critical
Publication of JP5291906B2 publication Critical patent/JP5291906B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G11B7/1372—Lenses
    • G11B7/1374—Objective lenses
    • 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
    • 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
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Head (AREA)
JP2007218455A 2007-08-24 2007-08-24 対物光学素子及び光ヘッド装置 Expired - Fee Related JP5291906B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2007218455A JP5291906B2 (ja) 2007-08-24 2007-08-24 対物光学素子及び光ヘッド装置
KR1020080080726A KR20090021077A (ko) 2007-08-24 2008-08-19 대물 광학 소자 및 광 헤드 장치
US12/222,886 US20090052303A1 (en) 2007-08-24 2008-08-19 Objective optical element and optical head apparatus
CN200810211041XA CN101373608B (zh) 2007-08-24 2008-08-20 物镜光学元件和光学头装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007218455A JP5291906B2 (ja) 2007-08-24 2007-08-24 対物光学素子及び光ヘッド装置

Publications (3)

Publication Number Publication Date
JP2009054218A JP2009054218A (ja) 2009-03-12
JP2009054218A5 JP2009054218A5 (enExample) 2010-06-17
JP5291906B2 true JP5291906B2 (ja) 2013-09-18

Family

ID=40382026

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007218455A Expired - Fee Related JP5291906B2 (ja) 2007-08-24 2007-08-24 対物光学素子及び光ヘッド装置

Country Status (4)

Country Link
US (1) US20090052303A1 (enExample)
JP (1) JP5291906B2 (enExample)
KR (1) KR20090021077A (enExample)
CN (1) CN101373608B (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009295251A (ja) * 2008-06-06 2009-12-17 Hitachi Maxell Ltd 液晶光学素子の駆動方法、光ヘッド装置、及び、液晶光学素子
WO2010116828A1 (ja) * 2009-03-30 2010-10-14 コニカミノルタオプト株式会社 光ピックアップ装置用の集光光学系の光学素子、集光光学系及び光ピックアップ装置
WO2010116852A1 (ja) * 2009-03-30 2010-10-14 コニカミノルタオプト株式会社 対物レンズ、カップリング素子及び光ピックアップ装置
US9851613B2 (en) * 2014-02-21 2017-12-26 Apple Inc. Electro-optic variable aperture lens
CN110784632B (zh) * 2019-11-12 2021-09-03 Oppo广东移动通信有限公司 摄像头和电子装置
CN116204109A (zh) * 2021-11-30 2023-06-02 华为技术有限公司 一种数据读取方法、装置及光存储系统
CN114911149B (zh) * 2022-05-05 2025-12-19 浙江理工大学 一种多参量调谐的全息打印光刻系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020036958A1 (en) * 2000-07-24 2002-03-28 Hidenori Wada Optical element, optical head, optical recording/reproducing apparatus and optical recording/reproducing method
US7206276B2 (en) * 2001-10-12 2007-04-17 Konica Corporation Objective lens, optical element, optical pick-up apparatus and optical information recording and/or reproducing apparatus equipped therewith
CN1320538C (zh) * 2002-06-21 2007-06-06 夏普株式会社 拾光器球面像差补偿方法和拾光装置
KR20050006887A (ko) * 2003-07-10 2005-01-17 삼성전자주식회사 포커스 오프셋을 저감할 수 있는 광픽업 및 이를 채용한광 기록 및/또는 재생기기
JP2005071424A (ja) * 2003-08-28 2005-03-17 Pioneer Electronic Corp 収差補正装置および光学式記録媒体再生装置
JP4038467B2 (ja) * 2003-10-15 2008-01-23 株式会社日立製作所 光ピックアップおよび光ディスク装置
JP2005222612A (ja) * 2004-02-05 2005-08-18 Konica Minolta Opto Inc 対物光学素子および光ピックアップ装置
JP2007026540A (ja) * 2005-07-15 2007-02-01 Toshiba Samsung Storage Technology Corp 光ピックアップ装置及び光学的情報処理装置
JP4484814B2 (ja) * 2005-12-26 2010-06-16 株式会社日立メディアエレクトロニクス 収差補正装置及びそれを備える光ピックアップ

Also Published As

Publication number Publication date
CN101373608B (zh) 2011-08-17
JP2009054218A (ja) 2009-03-12
CN101373608A (zh) 2009-02-25
US20090052303A1 (en) 2009-02-26
KR20090021077A (ko) 2009-02-27

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