JP4349520B2 - 光記録媒体用対物光学系およびこれを用いた光ピックアップ装置 - Google Patents

光記録媒体用対物光学系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
JP4349520B2
JP4349520B2 JP2004097049A JP2004097049A JP4349520B2 JP 4349520 B2 JP4349520 B2 JP 4349520B2 JP 2004097049 A JP2004097049 A JP 2004097049A JP 2004097049 A JP2004097049 A JP 2004097049A JP 4349520 B2 JP4349520 B2 JP 4349520B2
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JP
Japan
Prior art keywords
recording medium
optical recording
optical
objective
diffractive
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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
JP2004097049A
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English (en)
Japanese (ja)
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JP2005158213A5 (enExample
JP2005158213A (ja
Inventor
哲也 小里
有 北原
将生 森
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
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Fujinon Corp
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Publication date
Application filed by Fujinon Corp filed Critical Fujinon Corp
Priority to JP2004097049A priority Critical patent/JP4349520B2/ja
Priority to US10/972,670 priority patent/US7680014B2/en
Publication of JP2005158213A publication Critical patent/JP2005158213A/ja
Publication of JP2005158213A5 publication Critical patent/JP2005158213A5/ja
Application granted granted Critical
Publication of JP4349520B2 publication Critical patent/JP4349520B2/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
    • G11B7/1372—Lenses
    • G11B7/1378—Separate aberration correction lenses; Cylindrical lenses to generate astigmatism; Beam expanders
    • 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
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/127—Lasers; Multiple laser arrays
    • G11B7/1275—Two or more lasers having different wavelengths
    • 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
    • G11B7/1353—Diffractive elements, e.g. holograms or gratings
    • 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
    • G11B7/1392—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
    • 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

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Lenses (AREA)
JP2004097049A 2003-10-27 2004-03-29 光記録媒体用対物光学系およびこれを用いた光ピックアップ装置 Expired - Fee Related JP4349520B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2004097049A JP4349520B2 (ja) 2003-10-27 2004-03-29 光記録媒体用対物光学系およびこれを用いた光ピックアップ装置
US10/972,670 US7680014B2 (en) 2003-10-27 2004-10-26 Objective optical system and optical pickup device using it

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003365482 2003-10-27
JP2004097049A JP4349520B2 (ja) 2003-10-27 2004-03-29 光記録媒体用対物光学系およびこれを用いた光ピックアップ装置

Publications (3)

Publication Number Publication Date
JP2005158213A JP2005158213A (ja) 2005-06-16
JP2005158213A5 JP2005158213A5 (enExample) 2007-03-08
JP4349520B2 true JP4349520B2 (ja) 2009-10-21

Family

ID=34622140

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004097049A Expired - Fee Related JP4349520B2 (ja) 2003-10-27 2004-03-29 光記録媒体用対物光学系およびこれを用いた光ピックアップ装置

Country Status (2)

Country Link
US (1) US7680014B2 (enExample)
JP (1) JP4349520B2 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4349520B2 (ja) 2003-10-27 2009-10-21 フジノン株式会社 光記録媒体用対物光学系およびこれを用いた光ピックアップ装置
JP2006073076A (ja) * 2004-09-01 2006-03-16 Fujinon Corp 光記録媒体用対物光学系およびこれを用いた光ピックアップ装置
JP4437731B2 (ja) * 2004-10-08 2010-03-24 フジノン株式会社 光ピックアップ光学系およびこれを用いた光ピックアップ装置
JP2006134492A (ja) 2004-11-08 2006-05-25 Fujinon Corp 光記録媒体用対物光学系およびこれを用いた光ピックアップ装置
JP2007087479A (ja) * 2005-09-21 2007-04-05 Konica Minolta Opto Inc 対物光学系及び光ピックアップ装置
US7680003B2 (en) * 2005-09-28 2010-03-16 Panasonic Corporation Optical disk device with disk type recognition
JP2009277311A (ja) * 2008-05-16 2009-11-26 Fujinon Corp 対物レンズ、光ピックアップ装置、光記録・再生装置
US20100059677A1 (en) * 2008-09-10 2010-03-11 Rainer Leonhardt Aspheric Lenses for Imaging
JP6149410B2 (ja) * 2013-02-01 2017-06-21 コニカミノルタ株式会社 遠赤外線用結像光学系，撮像光学装置及びデジタル機器
JP6149411B2 (ja) * 2013-02-01 2017-06-21 コニカミノルタ株式会社 遠赤外線用結像光学系，撮像光学装置及びデジタル機器
WO2014197066A2 (en) * 2013-03-14 2014-12-11 Drs Rsta, Inc. Single element radiometric lens

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US936765A (en) * 1908-08-10 1909-10-12 Dennis F Deppe Cultivator.
JPH10268117A (ja) 1997-03-27 1998-10-09 Fuji Photo Optical Co Ltd ピックアップ光学系用対物レンズ
ATE362174T1 (de) 1999-01-22 2007-06-15 Konica Minolta Opto Inc Optische abtastvorrichtung zur informationsaufzeichnung und informationswiedergabe
JP2001093179A (ja) * 1999-09-21 2001-04-06 Pioneer Electronic Corp 光ピックアップ
KR100657251B1 (ko) 2000-01-14 2006-12-19 삼성전자주식회사 광픽업장치
WO2002033700A2 (en) * 2000-10-16 2002-04-25 Konica Corporation Objective lens, coupling lens, light converging optical system, and optical pick-up apparatus
US6873590B2 (en) * 2001-03-09 2005-03-29 Pentax Corporation Objective lens for optical pick-up
JP2003067972A (ja) 2001-05-29 2003-03-07 Nec Corp 光ヘッド装置および光学式情報記録再生装置
ATE497239T1 (de) * 2001-07-11 2011-02-15 Konica Minolta Opto Inc Optisches korrekturelement für aberration, optisches system, optisches abtastgerät und vorrichtung zur aufzeichnung und wiedergabe
TWI239520B (en) * 2001-10-12 2005-09-11 Konica Corp Objective lens, optical element, optical pick-up apparatus and optical information recording and/or reproducing apparatus equipped therewith
JP2003323735A (ja) 2002-02-27 2003-11-14 Ricoh Co Ltd 光ピックアップとこれを用いる光情報処理装置
US7161890B2 (en) 2002-03-06 2007-01-09 Matsushita Electric Industrial Co., Ltd. Optical head device and optical information device using this and computer optical disk player car navigation system optical disk recorder and optical disk server using this optical information device
US7245407B2 (en) * 2002-06-10 2007-07-17 Matsushita Electric Industrial Co., Ltd. Complex objective lens compatible with information media of different thicknesses
JP2004029050A (ja) * 2002-06-17 2004-01-29 Sony Corp 光記録媒体再生用対物レンズおよび光記録媒体再生装置
JP2004327003A (ja) * 2002-07-26 2004-11-18 Sharp Corp 光ピックアップ
US20040213134A1 (en) * 2003-04-24 2004-10-28 Minolta Co., Ltd. Optical pickup apparatus
JP5002118B2 (ja) 2003-06-18 2012-08-15 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光学素子、及び光ピックアップ装置
JP4315440B2 (ja) 2003-08-21 2009-08-19 フジノン株式会社 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
JP4349520B2 (ja) 2003-10-27 2009-10-21 フジノン株式会社 光記録媒体用対物光学系およびこれを用いた光ピックアップ装置
JP2005149626A (ja) 2003-11-17 2005-06-09 Fujinon Corp 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
JP4846975B2 (ja) 2003-12-26 2011-12-28 富士フイルム株式会社 光学素子、対物光学系および光ピックアップ装置
JP4377281B2 (ja) 2004-05-19 2009-12-02 フジノン株式会社 光記録媒体用対物光学系およびこれを用いた光ピックアップ装置

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Publication number Publication date
US7680014B2 (en) 2010-03-16
US20050117496A1 (en) 2005-06-02
JP2005158213A (ja) 2005-06-16

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