JP2011238304A - 光ピックアップレンズ - Google Patents

光ピックアップレンズ Download PDF

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Publication number
JP2011238304A
JP2011238304A JP2010106448A JP2010106448A JP2011238304A JP 2011238304 A JP2011238304 A JP 2011238304A JP 2010106448 A JP2010106448 A JP 2010106448A JP 2010106448 A JP2010106448 A JP 2010106448A JP 2011238304 A JP2011238304 A JP 2011238304A
Authority
JP
Japan
Prior art keywords
lens
zone
optical pickup
annular
optical
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.)
Pending
Application number
JP2010106448A
Other languages
English (en)
Japanese (ja)
Other versions
JP2011238304A5 (enExample
Inventor
Tadashi Ueda
直史 上田
Yasuyuki Sugi
靖幸 杉
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 Finetech Ltd
Original Assignee
Maxell Finetech 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 Maxell Finetech Ltd filed Critical Maxell Finetech Ltd
Priority to JP2010106448A priority Critical patent/JP2011238304A/ja
Priority to PCT/JP2011/060282 priority patent/WO2011138919A1/ja
Publication of JP2011238304A publication Critical patent/JP2011238304A/ja
Publication of JP2011238304A5 publication Critical patent/JP2011238304A5/ja
Pending legal-status Critical Current

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Classifications

    • 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
    • G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
    • 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
    • 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
    • G02B27/4283—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element with major temperature dependent properties
    • 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
    • G11B7/1365—Separate or integrated refractive elements, e.g. wave plates
    • G11B7/1367—Stepped phase plates
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Lenses (AREA)
  • Optical Head (AREA)
JP2010106448A 2010-05-06 2010-05-06 光ピックアップレンズ Pending JP2011238304A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2010106448A JP2011238304A (ja) 2010-05-06 2010-05-06 光ピックアップレンズ
PCT/JP2011/060282 WO2011138919A1 (ja) 2010-05-06 2011-04-27 光ピックアップレンズ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010106448A JP2011238304A (ja) 2010-05-06 2010-05-06 光ピックアップレンズ

Publications (2)

Publication Number Publication Date
JP2011238304A true JP2011238304A (ja) 2011-11-24
JP2011238304A5 JP2011238304A5 (enExample) 2012-11-29

Family

ID=44903771

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010106448A Pending JP2011238304A (ja) 2010-05-06 2010-05-06 光ピックアップレンズ

Country Status (2)

Country Link
JP (1) JP2011238304A (enExample)
WO (1) WO2011138919A1 (enExample)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004101954A (ja) * 2002-09-10 2004-04-02 Konica Minolta Holdings Inc 合成樹脂製レンズ及びこれを用いた光ピックアップ装置
JP2004310976A (ja) * 2003-03-26 2004-11-04 Asahi Glass Co Ltd 光ピックアップ装置
JP2009295244A (ja) * 2008-06-06 2009-12-17 Ricoh Co Ltd 光学素子、光ピックアップおよび光情報処理装置
JP2010080040A (ja) * 2008-04-10 2010-04-08 Hitachi Maxell Ltd 光ピックアップ対物レンズ、光ピックアップ装置及び光ディスク装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005050433A (ja) * 2003-07-29 2005-02-24 Asahi Glass Co Ltd 対物レンズ及び光ヘッド装置
JP2006024344A (ja) * 2004-06-11 2006-01-26 Nidec Nissin Corp 輪帯位相補正レンズおよび光ヘッド装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004101954A (ja) * 2002-09-10 2004-04-02 Konica Minolta Holdings Inc 合成樹脂製レンズ及びこれを用いた光ピックアップ装置
JP2004310976A (ja) * 2003-03-26 2004-11-04 Asahi Glass Co Ltd 光ピックアップ装置
JP2010080040A (ja) * 2008-04-10 2010-04-08 Hitachi Maxell Ltd 光ピックアップ対物レンズ、光ピックアップ装置及び光ディスク装置
JP2009295244A (ja) * 2008-06-06 2009-12-17 Ricoh Co Ltd 光学素子、光ピックアップおよび光情報処理装置

Also Published As

Publication number Publication date
WO2011138919A1 (ja) 2011-11-10

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