ATE521965T1 - Optisches element, objektiv-system, optische abtastvorrichtung, und optisches plattenlaufwerk - Google Patents

Optisches element, objektiv-system, optische abtastvorrichtung, und optisches plattenlaufwerk

Info

Publication number
ATE521965T1
ATE521965T1 AT05252748T AT05252748T ATE521965T1 AT E521965 T1 ATE521965 T1 AT E521965T1 AT 05252748 T AT05252748 T AT 05252748T AT 05252748 T AT05252748 T AT 05252748T AT E521965 T1 ATE521965 T1 AT E521965T1
Authority
AT
Austria
Prior art keywords
optical
disk drive
lens system
scanning device
optical element
Prior art date
Application number
AT05252748T
Other languages
English (en)
Inventor
Tohru Kimura
Katsuya Sakamoto
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
Application granted granted Critical
Publication of ATE521965T1 publication Critical patent/ATE521965T1/de

Links

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
    • G11B7/1353—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
    • G11B7/1392—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
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction 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
    • G11B7/1369—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
    • G11B7/1372—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
    • G11B7/139—Numerical aperture control 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Head (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
AT05252748T 2004-05-07 2005-05-04 Optisches element, objektiv-system, optische abtastvorrichtung, und optisches plattenlaufwerk ATE521965T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004138635A JP4370619B2 (ja) 2004-05-07 2004-05-07 光学素子、光ピックアップ装置及びドライブ装置

Publications (1)

Publication Number Publication Date
ATE521965T1 true ATE521965T1 (de) 2011-09-15

Family

ID=34941142

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05252748T ATE521965T1 (de) 2004-05-07 2005-05-04 Optisches element, objektiv-system, optische abtastvorrichtung, und optisches plattenlaufwerk

Country Status (7)

Country Link
US (1) US20050249064A1 (de)
EP (1) EP1594128B1 (de)
JP (1) JP4370619B2 (de)
KR (1) KR20060047694A (de)
CN (1) CN1697046B (de)
AT (1) ATE521965T1 (de)
TW (1) TW200605054A (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100651325B1 (ko) * 2004-11-05 2006-11-29 삼성전기주식회사 색수차 보정소자 및 그것을 이용한 광픽업장치
WO2006127076A1 (en) * 2005-03-01 2006-11-30 Digital Optics Corporation Chromatic diffractive optical element corrector and fabrication method thereof
JP5013129B2 (ja) 2006-03-07 2012-08-29 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、対物光学素子及び光情報記録再生装置
JP2008052824A (ja) * 2006-08-24 2008-03-06 Funai Electric Co Ltd 光ピックアップ装置
JP2008052823A (ja) 2006-08-24 2008-03-06 Funai Electric Co Ltd 球面収差補正装置
JP2008108305A (ja) * 2006-10-23 2008-05-08 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
JP2010061764A (ja) * 2008-09-05 2010-03-18 Ricoh Co Ltd 光学素子
JP2011141937A (ja) 2010-01-08 2011-07-21 Sanyo Electric Co Ltd 発光装置、光ピックアップ装置およびその製造方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2040785B (en) * 1978-12-28 1983-01-26 Philips Electronic Associated Producing polymer glass asherical optical elements
DE69722951T2 (de) * 1996-10-31 2004-05-19 Sanyo Electric Co., Ltd., Moriguchi Optische abtastvorrichtung
US6343058B1 (en) * 1997-10-30 2002-01-29 Ricoh Company, Ltd. Optical pickup device applicable to two kinds of recording media with minimized deterioration of a beam spot
CN1313846C (zh) * 2001-10-05 2007-05-02 松下电器产业株式会社 衍射光学元件及使用了该衍射光学元件的光学头
WO2003060892A2 (en) 2002-01-17 2003-07-24 Koninklijke Philips Electronics N.V. Optical scanning device
DE60330817D1 (de) * 2002-02-27 2010-02-11 Ricoh Kk Optischer Lesekopf und optische Informationsverarbeitungsvorrichtung
JP2003296959A (ja) * 2002-03-26 2003-10-17 Samsung Electro Mech Co Ltd 波長選択性開口制限素子と波長選択性ビームスプリッタ及びそれを備えた光ピックアップ装置
WO2003091764A1 (en) 2002-04-18 2003-11-06 Matsushita Electric Industrial Co., Ltd. Optical element, optical head, optical information recording/reproduction device, computer, video recording device, video reproduction device, server, and car navigation system
JP2004327003A (ja) * 2002-07-26 2004-11-18 Sharp Corp 光ピックアップ
JP4341332B2 (ja) 2002-07-31 2009-10-07 旭硝子株式会社 光ヘッド装置
US7577077B2 (en) * 2002-09-05 2009-08-18 Konica Corporation Optical pickup apparatus and optical element
AU2003263605A1 (en) * 2002-09-30 2004-04-23 Konica Minolta Holdings, Inc. Optical element, objective optical element and optical pickup device
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

Also Published As

Publication number Publication date
TW200605054A (en) 2006-02-01
JP4370619B2 (ja) 2009-11-25
EP1594128A2 (de) 2005-11-09
JP2005322301A (ja) 2005-11-17
KR20060047694A (ko) 2006-05-18
US20050249064A1 (en) 2005-11-10
CN1697046B (zh) 2010-05-05
EP1594128A3 (de) 2008-12-10
CN1697046A (zh) 2005-11-16
EP1594128B1 (de) 2011-08-24

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Legal Events

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