DE10197178T1 - Optische Anordnung und optische Speicheranordnung - Google Patents

Optische Anordnung und optische Speicheranordnung

Info

Publication number
DE10197178T1
DE10197178T1 DE10197178T DE10197178T DE10197178T1 DE 10197178 T1 DE10197178 T1 DE 10197178T1 DE 10197178 T DE10197178 T DE 10197178T DE 10197178 T DE10197178 T DE 10197178T DE 10197178 T1 DE10197178 T1 DE 10197178T1
Authority
DE
Germany
Prior art keywords
arrangement
optical
optical storage
storage arrangement
storage
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.)
Ceased
Application number
DE10197178T
Other languages
English (en)
Inventor
Nobuhide Aoyama
Shin-Ya Hasegawa
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE10197178T1 publication Critical patent/DE10197178T1/de
Ceased legal-status Critical Current

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
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3083—Birefringent or phase retarding elements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10532—Heads
    • G11B11/10541—Heads for reproducing
    • G11B11/10543—Heads for reproducing using optical beam of radiation
    • G11B11/10545—Heads for reproducing using optical beam of radiation interacting directly with the magnetisation on the record carrier
    • 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
    • G11B7/123—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate
    • 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
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
    • G11B7/1263—Power control during transducing, e.g. by monitoring
    • 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
    • G11B7/1356—Double or multiple prisms, i.e. having two or more prisms in cooperation
    • 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
    • G11B7/1359—Single prisms

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Head (AREA)
  • Polarising Elements (AREA)
DE10197178T 2001-02-01 2001-02-01 Optische Anordnung und optische Speicheranordnung Ceased DE10197178T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2001/000690 WO2002063621A1 (fr) 2001-02-01 2001-02-01 Dispositif optique et dispositif a memoire optique

Publications (1)

Publication Number Publication Date
DE10197178T1 true DE10197178T1 (de) 2003-12-18

Family

ID=11736979

Family Applications (1)

Application Number Title Priority Date Filing Date
DE10197178T Ceased DE10197178T1 (de) 2001-02-01 2001-02-01 Optische Anordnung und optische Speicheranordnung

Country Status (4)

Country Link
US (1) US6888786B2 (de)
JP (1) JP3857235B2 (de)
DE (1) DE10197178T1 (de)
WO (1) WO2002063621A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7706242B2 (en) * 2004-02-25 2010-04-27 Ricoh Company, Ltd. Optical disk, signal generation method, clock signal generation method, and optical disk device
US7948531B2 (en) * 2004-08-24 2011-05-24 Panasonic Corporation Imaging apparatus and correction method of image data
JP2006318515A (ja) * 2004-09-10 2006-11-24 Ricoh Co Ltd ホログラム素子及びその製造方法及び光ヘッド装置
US7796491B2 (en) * 2004-09-29 2010-09-14 Panasonic Corporation Wavelength plate, optical element, and optical pickup
JP2007004922A (ja) * 2005-06-24 2007-01-11 Sharp Corp 受発光素子一体型集積モジュール及び光ピックアップ
JP2008034003A (ja) * 2006-07-27 2008-02-14 Matsushita Electric Ind Co Ltd 光ディスク装置
JP6328468B2 (ja) * 2014-03-31 2018-05-23 株式会社日立ハイテクノロジーズ 欠陥検査装置および検査方法
CA3006474A1 (en) * 2015-12-10 2017-06-15 Basf Plant Science Company Gmbh Method and apparatus for measuring inflorescence, seed and/or seed yield phenotype
CN107561298B (zh) * 2016-06-30 2020-05-05 希森美康株式会社 测定装置以及测定方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5060212A (en) * 1987-08-17 1991-10-22 Ricoh Company, Ltd. Integrated optical pick-up device
JP2786484B2 (ja) * 1989-01-25 1998-08-13 オリンパス光学工業株式会社 光磁気再生装置
US5119352A (en) * 1990-08-17 1992-06-02 Hewlett-Packard Company Magneto optic data storage read out apparatus and method
EP0612068B1 (de) * 1993-02-16 2000-05-03 Nec Corporation Optischer Abtasthopf und doppelbrechender Beugungsgitterpolarisator sowie Hologrammpolarisator dafür.
EP0745983A3 (de) * 1995-05-31 1998-03-04 Daewoo Electronics Co., Ltd Optischer Aufnahmekopf
KR100389756B1 (ko) * 1995-11-22 2003-12-24 마츠시타 덴끼 산교 가부시키가이샤 광 헤드
JP3785702B2 (ja) * 1996-10-18 2006-06-14 ソニー株式会社 光学ピックアップ装置及び記録再生装置
JPH1186322A (ja) * 1997-09-02 1999-03-30 Matsushita Electric Ind Co Ltd 光学素子及びその製造方法
JPH11162033A (ja) * 1997-11-28 1999-06-18 Comets:Kk 光磁気記録再生装置
JP4351350B2 (ja) * 1999-02-17 2009-10-28 パナソニック株式会社 情報記録再生装置
JP4006904B2 (ja) * 1999-09-29 2007-11-14 ソニー株式会社 光ヘッド、光検出素子、光情報記録再生装置および焦点誤差検出方法
US6377525B1 (en) * 1999-11-22 2002-04-23 Sony Corporation Optical disc apparatus and method for reading information

Also Published As

Publication number Publication date
US6888786B2 (en) 2005-05-03
WO2002063621A1 (fr) 2002-08-15
US20040017761A1 (en) 2004-01-29
JPWO2002063621A1 (ja) 2004-09-02
JP3857235B2 (ja) 2006-12-13

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: G11B 7135

8131 Rejection