JP4341416B2 - 回折光学素子及び光ピックアップ装置 - Google Patents

回折光学素子及び光ピックアップ装置 Download PDF

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Publication number
JP4341416B2
JP4341416B2 JP2004023773A JP2004023773A JP4341416B2 JP 4341416 B2 JP4341416 B2 JP 4341416B2 JP 2004023773 A JP2004023773 A JP 2004023773A JP 2004023773 A JP2004023773 A JP 2004023773A JP 4341416 B2 JP4341416 B2 JP 4341416B2
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JP
Japan
Prior art keywords
optical
diffracted light
pickup device
diffractive
optical element
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
JP2004023773A
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English (en)
Japanese (ja)
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JP2005216419A (ja
JP2005216419A5 (enExample
Inventor
清乃 池中
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.)
Konica Minolta Opto Inc
Original Assignee
Konica Minolta Opto Inc
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 Konica Minolta Opto Inc filed Critical Konica Minolta Opto Inc
Priority to JP2004023773A priority Critical patent/JP4341416B2/ja
Priority to US11/042,529 priority patent/US7050236B2/en
Publication of JP2005216419A publication Critical patent/JP2005216419A/ja
Publication of JP2005216419A5 publication Critical patent/JP2005216419A5/ja
Application granted granted Critical
Publication of JP4341416B2 publication Critical patent/JP4341416B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • G11B7/1353—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
    • G11B7/13922—Means for controlling the beam wavefront, e.g. for correction of aberration passive
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/4233—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application
    • G02B27/4238—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application in optical recording or readout devices
    • 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)
  • Optical Head (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Lenses (AREA)
JP2004023773A 2004-01-30 2004-01-30 回折光学素子及び光ピックアップ装置 Expired - Fee Related JP4341416B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2004023773A JP4341416B2 (ja) 2004-01-30 2004-01-30 回折光学素子及び光ピックアップ装置
US11/042,529 US7050236B2 (en) 2004-01-30 2005-01-24 Diffractive optical element and optical pickup apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004023773A JP4341416B2 (ja) 2004-01-30 2004-01-30 回折光学素子及び光ピックアップ装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2007162806A Division JP2007280600A (ja) 2007-06-20 2007-06-20 回折光学素子及び光ピックアップ装置

Publications (3)

Publication Number Publication Date
JP2005216419A JP2005216419A (ja) 2005-08-11
JP2005216419A5 JP2005216419A5 (enExample) 2007-02-08
JP4341416B2 true JP4341416B2 (ja) 2009-10-07

Family

ID=34805721

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004023773A Expired - Fee Related JP4341416B2 (ja) 2004-01-30 2004-01-30 回折光学素子及び光ピックアップ装置

Country Status (2)

Country Link
US (1) US7050236B2 (enExample)
JP (1) JP4341416B2 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4850013B2 (ja) * 2005-09-28 2012-01-11 Ｈｏｙａ株式会社 光情報記録再生装置および光情報記録再生装置用対物レンズ
JP2007242115A (ja) * 2006-03-07 2007-09-20 Konica Minolta Opto Inc 光ピックアップ装置
WO2008007553A1 (en) * 2006-07-14 2008-01-17 Konica Minolta Opto, Inc. Optical pickup device, objective optical element and optical information recorder/reproducer
JP5071883B2 (ja) * 2007-04-27 2012-11-14 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及び対物光学素子
WO2009093228A2 (en) * 2008-01-21 2009-07-30 Prime Sense Ltd. Optical designs for zero order reduction
JP6083682B2 (ja) 2012-08-09 2017-02-22 パナソニックＩｐマネジメント株式会社 光学ヘッド、対物レンズ、光ディスク装置、コンピュータ、光ディスクプレーヤ及び光ディスクレコーダ

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5629799A (en) * 1992-07-16 1997-05-13 Asahi Kogaku Kogyo Kabushiki Kaisha Chromatic aberration correcting element and its application
TW504582B (en) * 1999-09-01 2002-10-01 Konishiroku Photo Ind Objective lens for pickup and light pickup apparatus
WO2002037484A2 (en) * 2000-10-30 2002-05-10 Konica Corporation Objective lens, light converging optical system, optical pickup apparatus, and recording/reproducing apparatus
JP4610118B2 (ja) 2001-03-30 2011-01-12 Ｈｏｙａ株式会社 光ヘッド用対物レンズ

Also Published As

Publication number Publication date
US20050168821A1 (en) 2005-08-04
JP2005216419A (ja) 2005-08-11
US7050236B2 (en) 2006-05-23

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