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DE602006003308D1 - Optische abtastvorrichtung - Google Patents

Optische abtastvorrichtung

Info

Publication number
DE602006003308D1
DE602006003308D1 DE602006003308T DE602006003308T DE602006003308D1 DE 602006003308 D1 DE602006003308 D1 DE 602006003308D1 DE 602006003308 T DE602006003308 T DE 602006003308T DE 602006003308 T DE602006003308 T DE 602006003308T DE 602006003308 D1 DE602006003308 D1 DE 602006003308D1
Authority
DE
Germany
Prior art keywords
record carrier
diffraction structure
scanning
optical
wavefront
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
DE602006003308T
Other languages
English (en)
Inventor
Sjoerd Stallinga
Teunis W Tukker
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke 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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE602006003308D1 publication Critical patent/DE602006003308D1/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G11B7/125—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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Facsimile Scanning Arrangements (AREA)
DE602006003308T 2005-01-11 2006-01-06 Optische abtastvorrichtung Expired - Fee Related DE602006003308D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05100106 2005-01-11
PCT/IB2006/050057 WO2006075271A2 (en) 2005-01-11 2006-01-06 Optical scanning device

Publications (1)

Publication Number Publication Date
DE602006003308D1 true DE602006003308D1 (de) 2008-12-04

Family

ID=36649486

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006003308T Expired - Fee Related DE602006003308D1 (de) 2005-01-11 2006-01-06 Optische abtastvorrichtung

Country Status (9)

Country Link
US (1) US20080117786A1 (de)
EP (1) EP1839303B1 (de)
JP (1) JP2008527593A (de)
KR (1) KR20070097565A (de)
CN (1) CN100559480C (de)
AT (1) ATE412238T1 (de)
DE (1) DE602006003308D1 (de)
TW (1) TW200641862A (de)
WO (1) WO2006075271A2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009110591A (ja) * 2007-10-30 2009-05-21 Konica Minolta Opto Inc 対物レンズ及び光ピックアップ装置
KR102479302B1 (ko) * 2017-06-02 2022-12-20 어플라이드 머티어리얼스, 인코포레이티드 디스플레이 기술들을 위한 나노구조 평판 렌즈들

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05242512A (ja) * 1991-12-19 1993-09-21 Matsushita Electric Ind Co Ltd 光ディスク装置
DE69902153T2 (de) * 1998-03-10 2003-01-16 Qinetiq Ltd., London Dreidimensionales bildformungssystem
JP3724290B2 (ja) * 1999-11-18 2005-12-07 株式会社日立製作所 光ヘッド、及び、それを用いた光学的情報記録再生装置
CN1206642C (zh) * 2000-11-14 2005-06-15 皇家菲利浦电子有限公司 光学扫描装置
US7126904B2 (en) * 2001-09-27 2006-10-24 Matsushita Electric Industrial Co., Ltd. Optical disk device
CN1299281C (zh) * 2002-01-17 2007-02-07 皇家飞利浦电子股份有限公司 光学扫描设备
JP3826819B2 (ja) * 2002-03-14 2006-09-27 日本ビクター株式会社 光ピックアップ装置
CN100354660C (zh) * 2002-04-18 2007-12-12 松下电器产业株式会社 光学元件、光学头、光学信息记录和再现装置、计算机、图像记录装置、图像再现装置、服务器和汽车导航系统
US7245407B2 (en) * 2002-06-10 2007-07-17 Matsushita Electric Industrial Co., Ltd. Complex objective lens compatible with information media of different thicknesses
JP4411026B2 (ja) * 2002-08-30 2010-02-10 キヤノン株式会社 光学材料及び、光学素子、回折光学素子、積層型回折光学素子、光学系
JP3966303B2 (ja) * 2003-04-24 2007-08-29 コニカミノルタオプト株式会社 回折光学素子及びそれを用いた光ピックアップ装置
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
US7313074B2 (en) * 2003-06-30 2007-12-25 Ricoh Company, Ltd. Objective lens, optical, pickup and optical information processing apparatus using the same
JP2005071462A (ja) * 2003-08-22 2005-03-17 Victor Co Of Japan Ltd 光ピックアップ装置
WO2005117002A1 (ja) * 2004-05-27 2005-12-08 Konica Minolta Opto, Inc. 対物光学系、光ピックアップ装置、及び光ディスクドライブ装置

Also Published As

Publication number Publication date
EP1839303B1 (de) 2008-10-22
CN100559480C (zh) 2009-11-11
CN101138032A (zh) 2008-03-05
ATE412238T1 (de) 2008-11-15
WO2006075271A3 (en) 2006-10-26
EP1839303A2 (de) 2007-10-03
KR20070097565A (ko) 2007-10-04
WO2006075271A2 (en) 2006-07-20
US20080117786A1 (en) 2008-05-22
TW200641862A (en) 2006-12-01
JP2008527593A (ja) 2008-07-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee