JP3810051B2 - 光記録媒体用対物レンズおよびこれを用いた光ピックアップ装置 - Google Patents

光記録媒体用対物レンズおよびこれを用いた光ピックアップ装置 Download PDF

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Publication number
JP3810051B2
JP3810051B2 JP2000185281A JP2000185281A JP3810051B2 JP 3810051 B2 JP3810051 B2 JP 3810051B2 JP 2000185281 A JP2000185281 A JP 2000185281A JP 2000185281 A JP2000185281 A JP 2000185281A JP 3810051 B2 JP3810051 B2 JP 3810051B2
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JP
Japan
Prior art keywords
light
lens
wavelength
objective lens
refractive index
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
JP2000185281A
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English (en)
Japanese (ja)
Other versions
JP2002006210A (ja
JP2002006210A5 (enExample
Inventor
敏明 勝間
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.)
Fujinon Corp
Original Assignee
Fujinon 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 Fujinon Corp filed Critical Fujinon Corp
Priority to JP2000185281A priority Critical patent/JP3810051B2/ja
Priority to US09/864,236 priority patent/US6646817B2/en
Priority to EP01114363A priority patent/EP1174866B1/en
Publication of JP2002006210A publication Critical patent/JP2002006210A/ja
Publication of JP2002006210A5 publication Critical patent/JP2002006210A5/ja
Application granted granted Critical
Publication of JP3810051B2 publication Critical patent/JP3810051B2/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
    • 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
    • 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
    • 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
    • G11B2007/13727—Compound lenses, i.e. two or more lenses co-operating to perform a function, e.g. compound objective lens including a solid immersion lens, positive and negative lenses either bonded together or with adjustable spacing

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Optical Head (AREA)
JP2000185281A 2000-06-20 2000-06-20 光記録媒体用対物レンズおよびこれを用いた光ピックアップ装置 Expired - Fee Related JP3810051B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2000185281A JP3810051B2 (ja) 2000-06-20 2000-06-20 光記録媒体用対物レンズおよびこれを用いた光ピックアップ装置
US09/864,236 US6646817B2 (en) 2000-06-20 2001-05-25 Objective lens for optical recording media and optical pickup apparatus using the same
EP01114363A EP1174866B1 (en) 2000-06-20 2001-06-13 Objective lens for different optical recording media and optical pickup apparatus using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000185281A JP3810051B2 (ja) 2000-06-20 2000-06-20 光記録媒体用対物レンズおよびこれを用いた光ピックアップ装置

Publications (3)

Publication Number Publication Date
JP2002006210A JP2002006210A (ja) 2002-01-09
JP2002006210A5 JP2002006210A5 (enExample) 2005-05-19
JP3810051B2 true JP3810051B2 (ja) 2006-08-16

Family

ID=18685618

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000185281A Expired - Fee Related JP3810051B2 (ja) 2000-06-20 2000-06-20 光記録媒体用対物レンズおよびこれを用いた光ピックアップ装置

Country Status (3)

Country Link
US (1) US6646817B2 (enExample)
EP (1) EP1174866B1 (enExample)
JP (1) JP3810051B2 (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001356263A (ja) * 2000-06-12 2001-12-26 Pioneer Electronic Corp 組み合わせ対物レンズ、光ピックアップ装置、光学式記録再生装置及び組み合わせ対物レンズ製造方法
US20030107824A1 (en) * 2001-12-04 2003-06-12 Pentax Corporation Cemented objective lens and manufacturing method thereof
JP2004061519A (ja) * 2002-06-06 2004-02-26 Enplas Corp 光ピックアップ用対物レンズ
US6850669B2 (en) * 2002-10-31 2005-02-01 Avanex Corporation Package for optical filter device
EP1571478A4 (en) * 2002-12-10 2007-09-19 Asahi Glass Co Ltd OBJECTIVE LENS FOR OPTICAL INFORMATION RECORDING MEDIA
US7313074B2 (en) 2003-06-30 2007-12-25 Ricoh Company, Ltd. Objective lens, optical, pickup and optical information processing apparatus using the same
US7535656B2 (en) * 2005-06-15 2009-05-19 Daylight Solutions, Inc. Lenses, optical sources, and their couplings
JP4819447B2 (ja) 2005-09-02 2011-11-24 キヤノン株式会社 光学系及びそれを有する撮像装置
US7843792B2 (en) * 2006-06-21 2010-11-30 Hoya Corporation Optical information recording /reproducing device and objective lens for the same
US7920455B2 (en) * 2006-08-23 2011-04-05 Panasonic Corporation Complex optical element and optical pickup
US7778139B2 (en) 2006-10-17 2010-08-17 Hoya Corporation Optical information recording/reproducing device and objective lens for the same
JP3926380B1 (ja) * 2006-12-07 2007-06-06 マイルストーン株式会社 撮像レンズ
JP5153351B2 (ja) * 2008-01-18 2013-02-27 キヤノン株式会社 ズームレンズ及びそれを有する光学機器
CN105445824B (zh) * 2014-08-20 2017-02-22 清华大学 Led光通信接收透镜及led光通信系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2642883B1 (enExample) * 1989-02-09 1995-06-02 Asahi Optical Co Ltd
JPH0519162A (ja) * 1991-05-02 1993-01-29 Asahi Optical Co Ltd 対物レンズ及び対物レンズの測定方法
US5225928A (en) * 1991-10-07 1993-07-06 Spectra-Physics Laserplane, Inc. Focus compensating lens for use in extreme temperatures
JPH09251645A (ja) * 1996-03-15 1997-09-22 Sony Corp 記録媒体記録再生装置および記録媒体記録再生方法
JPH10188322A (ja) * 1996-12-26 1998-07-21 Nec Corp 光ヘッド
JP2000090477A (ja) * 1998-09-09 2000-03-31 Pioneer Electronic Corp 光ピックアップ、情報再生装置及び情報記録装置
KR100657251B1 (ko) * 2000-01-14 2006-12-19 삼성전자주식회사 광픽업장치

Also Published As

Publication number Publication date
JP2002006210A (ja) 2002-01-09
EP1174866A2 (en) 2002-01-23
EP1174866B1 (en) 2006-05-10
US6646817B2 (en) 2003-11-11
US20020012175A1 (en) 2002-01-31
EP1174866A3 (en) 2004-05-26

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