ATE419622T1 - Optischer kopf - Google Patents

Optischer kopf

Info

Publication number
ATE419622T1
ATE419622T1 AT01996856T AT01996856T ATE419622T1 AT E419622 T1 ATE419622 T1 AT E419622T1 AT 01996856 T AT01996856 T AT 01996856T AT 01996856 T AT01996856 T AT 01996856T AT E419622 T1 ATE419622 T1 AT E419622T1
Authority
AT
Austria
Prior art keywords
dependence
spherical aberration
optical head
grating
phase structure
Prior art date
Application number
AT01996856T
Other languages
English (en)
Inventor
Bernardus Hendriks
Vries Jorrit De
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE419622T1 publication Critical patent/ATE419622T1/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
    • G11B7/1392—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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Lenses (AREA)
  • Optical Head (AREA)
  • Glass Compositions (AREA)
AT01996856T 2000-11-15 2001-11-15 Optischer kopf ATE419622T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00204020 2000-11-15

Publications (1)

Publication Number Publication Date
ATE419622T1 true ATE419622T1 (de) 2009-01-15

Family

ID=8172277

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01996856T ATE419622T1 (de) 2000-11-15 2001-11-15 Optischer kopf

Country Status (8)

Country Link
US (1) US6687056B2 (de)
EP (1) EP1338009B1 (de)
JP (1) JP4262978B2 (de)
KR (1) KR100807786B1 (de)
CN (1) CN1237528C (de)
AT (1) ATE419622T1 (de)
DE (1) DE60137253D1 (de)
WO (1) WO2002041307A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100377235C (zh) * 2003-07-09 2008-03-26 皇家飞利浦电子股份有限公司 光学装置
WO2005093735A1 (en) 2004-03-24 2005-10-06 Koninklijke Philips Electronics N.V. Optical record carrier scanning device
JP4986407B2 (ja) * 2005-03-31 2012-07-25 住友電工デバイス・イノベーション株式会社 レーザモジュール、その制御方法、その制御のための制御データの生成方法およびその制御データ
US7688701B2 (en) 2005-06-20 2010-03-30 Konica Minolta Opto, Inc. Objective optical system and optical pickup apparatus
US20080253261A1 (en) * 2005-09-19 2008-10-16 Arima Devices Corporation Optical Pickup Having Aberration Correction
US20100085861A1 (en) * 2006-11-27 2010-04-08 Koninklijke Philips Electronics N.V. Lens system for scanning device
CN101647066B (zh) * 2007-03-28 2012-01-11 柯尼卡美能达精密光学株式会社 光拾取装置以及光拾取装置用物镜光学元件
JP5393020B2 (ja) * 2007-04-26 2014-01-22 株式会社リコー 光ピックアップおよび光情報処理装置
JP4650529B2 (ja) * 2008-07-04 2011-03-16 ソニー株式会社 光ピックアップ及びこれを用いた光ディスク装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5745289A (en) * 1996-06-21 1998-04-28 Eastman Kodak Company Athermalized diffractive optical elements
JPH10186230A (ja) * 1996-10-29 1998-07-14 Canon Inc レンズ系及び光学機器
JP3385213B2 (ja) * 1998-05-29 2003-03-10 ペンタックス株式会社 光ヘッド用対物レンズ
US6262844B1 (en) * 1998-08-28 2001-07-17 Ksm Associates, Inc. Optical systems employing stepped diffractive surfaces

Also Published As

Publication number Publication date
KR100807786B1 (ko) 2008-02-27
CN1416567A (zh) 2003-05-07
EP1338009A1 (de) 2003-08-27
JP2004514234A (ja) 2004-05-13
KR20020071018A (ko) 2002-09-11
US20030179683A1 (en) 2003-09-25
JP4262978B2 (ja) 2009-05-13
DE60137253D1 (de) 2009-02-12
EP1338009B1 (de) 2008-12-31
WO2002041307A1 (en) 2002-05-23
CN1237528C (zh) 2006-01-18
US6687056B2 (en) 2004-02-03

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties