CN101373608B - 物镜光学元件和光学头装置 - Google Patents

物镜光学元件和光学头装置 Download PDF

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Publication number
CN101373608B
CN101373608B CN200810211041XA CN200810211041A CN101373608B CN 101373608 B CN101373608 B CN 101373608B CN 200810211041X A CN200810211041X A CN 200810211041XA CN 200810211041 A CN200810211041 A CN 200810211041A CN 101373608 B CN101373608 B CN 101373608B
Authority
CN
China
Prior art keywords
mentioned
recording medium
numerical aperture
information recording
optical information
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
CN200810211041XA
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English (en)
Chinese (zh)
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CN101373608A (zh
Inventor
向尾将树
岛野健
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Maxell Ltd
Original Assignee
Hitachi Maxell Ltd
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Filing date
Publication date
Application filed by Hitachi Maxell Ltd filed Critical Hitachi Maxell Ltd
Publication of CN101373608A publication Critical patent/CN101373608A/zh
Application granted granted Critical
Publication of CN101373608B publication Critical patent/CN101373608B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Head (AREA)
CN200810211041XA 2007-08-24 2008-08-20 物镜光学元件和光学头装置 Expired - Fee Related CN101373608B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2007218455 2007-08-24
JP2007218455A JP5291906B2 (ja) 2007-08-24 2007-08-24 対物光学素子及び光ヘッド装置
JP2007-218455 2007-08-24

Publications (2)

Publication Number Publication Date
CN101373608A CN101373608A (zh) 2009-02-25
CN101373608B true CN101373608B (zh) 2011-08-17

Family

ID=40382026

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200810211041XA Expired - Fee Related CN101373608B (zh) 2007-08-24 2008-08-20 物镜光学元件和光学头装置

Country Status (4)

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

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
JPWO2010116828A1 (ja) * 2009-03-30 2012-10-18 コニカミノルタアドバンストレイヤー株式会社 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
CN116204109B (zh) * 2021-11-30 2026-02-06 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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1412591A (zh) * 2001-10-12 2003-04-23 柯尼卡株式会社 物镜和光拾取头装置
CN1672200A (zh) * 2002-06-21 2005-09-21 夏普株式会社 拾光器球面像差补偿方法、拾光器球面像差聚焦偏移补偿方法和拾光装置
CN1992018A (zh) * 2005-12-26 2007-07-04 日立视听媒介电子股份有限公司 光拾取器和使用其的光学信息再现装置

Family Cites Families (6)

* 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
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1412591A (zh) * 2001-10-12 2003-04-23 柯尼卡株式会社 物镜和光拾取头装置
CN1672200A (zh) * 2002-06-21 2005-09-21 夏普株式会社 拾光器球面像差补偿方法、拾光器球面像差聚焦偏移补偿方法和拾光装置
CN1992018A (zh) * 2005-12-26 2007-07-04 日立视听媒介电子股份有限公司 光拾取器和使用其的光学信息再现装置

Also Published As

Publication number Publication date
KR20090021077A (ko) 2009-02-27
CN101373608A (zh) 2009-02-25
JP5291906B2 (ja) 2013-09-18
US20090052303A1 (en) 2009-02-26
JP2009054218A (ja) 2009-03-12

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Granted publication date: 20110817

Termination date: 20140820

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