ATE391989T1 - Optischer abtastkopf, und optisches system mit einem solchen kopf - Google Patents

Optischer abtastkopf, und optisches system mit einem solchen kopf

Info

Publication number
ATE391989T1
ATE391989T1 AT04728407T AT04728407T ATE391989T1 AT E391989 T1 ATE391989 T1 AT E391989T1 AT 04728407 T AT04728407 T AT 04728407T AT 04728407 T AT04728407 T AT 04728407T AT E391989 T1 ATE391989 T1 AT E391989T1
Authority
AT
Austria
Prior art keywords
head
optical
information recording
diffraction element
polarization
Prior art date
Application number
AT04728407T
Other languages
English (en)
Inventor
Nobuyoshi Mori
Tohru Kimura
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 ATE391989T1 publication Critical patent/ATE391989T1/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
    • G11B7/125—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
    • 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
    • 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)
  • Magnetic Heads (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
AT04728407T 2003-04-22 2004-04-20 Optischer abtastkopf, und optisches system mit einem solchen kopf ATE391989T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003117027A JP2004326858A (ja) 2003-04-22 2003-04-22 光ピックアップ装置及び光ピックアップ装置用光学系

Publications (1)

Publication Number Publication Date
ATE391989T1 true ATE391989T1 (de) 2008-04-15

Family

ID=33296281

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04728407T ATE391989T1 (de) 2003-04-22 2004-04-20 Optischer abtastkopf, und optisches system mit einem solchen kopf

Country Status (8)

Country Link
US (1) US20040213135A1 (de)
EP (1) EP1616327B1 (de)
JP (1) JP2004326858A (de)
KR (1) KR20060003031A (de)
CN (1) CN1777938A (de)
AT (1) ATE391989T1 (de)
DE (1) DE602004012989D1 (de)
WO (1) WO2004095443A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3953091B2 (ja) 2004-04-08 2007-08-01 コニカミノルタオプト株式会社 多焦点対物レンズ、光ピックアップ装置及び光情報記録再生装置
WO2005119668A1 (ja) * 2004-06-03 2005-12-15 Konica Minolta Opto, Inc. 対物レンズ及び光ピックアップ装置
JP4437731B2 (ja) * 2004-10-08 2010-03-24 フジノン株式会社 光ピックアップ光学系およびこれを用いた光ピックアップ装置
JP4529176B2 (ja) * 2005-02-02 2010-08-25 コニカミノルタオプト株式会社 光ピックアップ装置
JP4229924B2 (ja) * 2005-04-25 2009-02-25 パナソニック株式会社 光ピックアップ装置
US7352517B2 (en) * 2005-05-09 2008-04-01 Konica Minolta Opto, Inc. Optical pickup apparatus
KR100737859B1 (ko) * 2005-06-07 2007-07-12 삼성전자주식회사 광 기록/재생장치
JP4587892B2 (ja) 2005-07-01 2010-11-24 三洋電機株式会社 レーザー集光装置、光ピックアップ装置、光ディスク記録再生装置
DE102006031807A1 (de) * 2005-07-12 2007-01-18 Carl Zeiss Smt Ag Beleuchtungseinrichtung einer mikrolithographischen Projektionsbelichtungsanlage, sowie Depolarisator
JP2007042154A (ja) * 2005-07-29 2007-02-15 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
KR100803592B1 (ko) 2005-09-03 2008-02-19 삼성전자주식회사 호환형 광픽업 및 이를 채용한 광 기록 및/또는 재생기기
WO2007091184A1 (en) * 2006-02-06 2007-08-16 Koninklijke Philips Electronics N.V. Optical pick-up unit for use in a multi-disc optical player
CN112005169B (zh) 2018-04-06 2023-03-28 Asml荷兰有限公司 具有非线性光学器件的检查设备
CN119375991A (zh) * 2023-07-26 2025-01-28 华为技术有限公司 光学拾取器、光驱和数据处理设备

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0452793B1 (de) * 1990-04-12 1998-01-28 Matsushita Electric Industrial Co., Ltd. Optischer Kopf mit hologrammverbundener Objektivlinse
JP3301765B2 (ja) * 1996-10-31 2002-07-15 三洋電機株式会社 光ピックアップ装置
JP3653923B2 (ja) * 1997-03-19 2005-06-02 ソニー株式会社 記録再生装置および方法
DE60018735T2 (de) * 1999-01-22 2006-01-26 Konica Minolta Opto, Inc., Hachioji Optische Abtastvorrichtung, Aufzeichnungs- /-Wiedergabegerät mit dieser optischen Abtastvorrichtung, optisches Element und Verfahren zur Informationsaufzeichnung /-Wiedergabe
PL351949A1 (en) * 1999-04-26 2003-07-14 Gmp Vision Solutions Stent and method of treating glaucoma
CN1221956C (zh) * 1999-11-18 2005-10-05 柯尼卡株式会社 光拾取装置及物镜
US6533768B1 (en) * 2000-04-14 2003-03-18 The Regents Of The University Of California Device for glaucoma treatment and methods thereof
US6699211B2 (en) * 2000-08-22 2004-03-02 James A. Savage Method and apparatus for treatment of glaucoma
US6873590B2 (en) * 2001-03-09 2005-03-29 Pentax Corporation Objective lens for optical pick-up
KR100828246B1 (ko) * 2001-09-20 2008-05-07 엘지전자 주식회사 홀로그램 소자 및 그 홀로그램 소자를 이용한 광픽업 장치
US7206276B2 (en) * 2001-10-12 2007-04-17 Konica Corporation Objective lens, optical element, optical pick-up apparatus and optical information recording and/or reproducing apparatus equipped therewith

Also Published As

Publication number Publication date
EP1616327A1 (de) 2006-01-18
CN1777938A (zh) 2006-05-24
US20040213135A1 (en) 2004-10-28
EP1616327B1 (de) 2008-04-09
DE602004012989D1 (de) 2008-05-21
KR20060003031A (ko) 2006-01-09
JP2004326858A (ja) 2004-11-18
WO2004095443A1 (en) 2004-11-04

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Legal Events

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