CN100401396C - 光学头、光学再生装置和光学记录及再生装置 - Google Patents

光学头、光学再生装置和光学记录及再生装置 Download PDF

Info

Publication number
CN100401396C
CN100401396C CNB2005100074379A CN200510007437A CN100401396C CN 100401396 C CN100401396 C CN 100401396C CN B2005100074379 A CNB2005100074379 A CN B2005100074379A CN 200510007437 A CN200510007437 A CN 200510007437A CN 100401396 C CN100401396 C CN 100401396C
Authority
CN
China
Prior art keywords
light
optical head
photodetector
light source
optical
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
CNB2005100074379A
Other languages
English (en)
Chinese (zh)
Other versions
CN1658300A (zh
Inventor
冈祯一郎
佐藤吉德
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.)
TDK Corp
Original Assignee
TDK Corp
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 TDK Corp filed Critical TDK Corp
Publication of CN1658300A publication Critical patent/CN1658300A/zh
Application granted granted Critical
Publication of CN100401396C publication Critical patent/CN100401396C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

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
    • G11B7/1395—Beam splitters or combiners
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Semiconductor Lasers (AREA)
CNB2005100074379A 2004-02-18 2005-02-18 光学头、光学再生装置和光学记录及再生装置 Expired - Fee Related CN100401396C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004041701 2004-02-18
JP2004041701A JP2005235276A (ja) 2004-02-18 2004-02-18 光ヘッド、光再生装置及び光記録再生装置

Publications (2)

Publication Number Publication Date
CN1658300A CN1658300A (zh) 2005-08-24
CN100401396C true CN100401396C (zh) 2008-07-09

Family

ID=34836426

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2005100074379A Expired - Fee Related CN100401396C (zh) 2004-02-18 2005-02-18 光学头、光学再生装置和光学记录及再生装置

Country Status (4)

Country Link
US (1) US7482573B2 (enExample)
JP (1) JP2005235276A (enExample)
CN (1) CN100401396C (enExample)
TW (1) TWI272604B (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5168997B2 (ja) * 2007-04-13 2013-03-27 パナソニック株式会社 画像記録装置
EP3525301B1 (en) * 2007-12-28 2021-11-03 Avago Technologies International Sales Pte. Limited Device having delta doped active region
RU2660761C2 (ru) * 2013-05-27 2018-07-09 Хуавей Текнолоджиз Ко., Лтд. Устройство контроля длины волны лазера
JP7179050B2 (ja) * 2018-03-30 2022-11-28 ソニーセミコンダクタソリューションズ株式会社 記録再生装置
CN108802989B (zh) * 2018-08-17 2020-06-02 华中科技大学 一种并行多区域成像装置
JP7075016B2 (ja) 2019-10-18 2022-05-25 日亜化学工業株式会社 光源装置
JP7265213B2 (ja) * 2019-10-18 2023-04-26 日亜化学工業株式会社 光源装置
JP7594165B2 (ja) * 2020-06-22 2024-12-04 日亜化学工業株式会社 光源装置
CN112816447B (zh) * 2020-12-30 2022-02-15 华南理工大学 基于二维频率空间编码的多光子激发成像系统及成像方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07192294A (ja) * 1993-12-27 1995-07-28 Nec Corp 光学式記録情報再生装置
JPH08255368A (ja) * 1995-03-20 1996-10-01 Toshiba Corp 光ヘッド
JPH10255314A (ja) * 1997-03-12 1998-09-25 Ricoh Co Ltd 光ピックアップ装置
JP2001118281A (ja) * 1999-10-14 2001-04-27 Hitachi Media Electoronics Co Ltd 光ヘッドおよび光情報記録装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0147620B1 (en) * 1983-11-22 1991-06-05 Kabushiki Kaisha Toshiba Optical head
US4843232A (en) * 1987-12-28 1989-06-27 Allied-Signal Inc. Optic switch and speed sensor
US5157459A (en) * 1989-08-29 1992-10-20 Asahi Kogaku Kogyo Kabushiki Kaisha Wave front aberration measuring apparatus
JP2690634B2 (ja) * 1991-07-08 1997-12-10 シャープ株式会社 光ヘッド
JP2555239B2 (ja) 1991-11-01 1996-11-20 株式会社日立製作所 光情報記録再生方法
US5350917A (en) * 1991-12-27 1994-09-27 Sony Corporation Opto-magnetic recording polarization optical apparatus including a laser diode and a light absorbing film
DE4404635C2 (de) * 1993-02-17 1998-06-18 Hitachi Ltd Schwimmender optischer Abtastkopf, der integral mit einer Lichtquelle und einem Photodetektor ausgebildet ist, und optisches Plattengerät mit einem solchen
JPH08235663A (ja) * 1995-02-24 1996-09-13 Sony Corp 光学素子
US5883872A (en) * 1997-05-29 1999-03-16 The Board Of Trustees Of The Leland Stanford Junior University Near field magneto-optical recording system employing slit illumination
JP2001308460A (ja) * 2000-04-27 2001-11-02 Sharp Corp 窒化物半導体レーザ素子とその光ピックアップ装置
JP2002185073A (ja) * 2000-10-04 2002-06-28 Pioneer Electronic Corp レーザ光強度制御装置
US6940794B2 (en) * 2001-08-03 2005-09-06 Matsushita Electric Industrial Co., Ltd. Information recording/reproducing apparatus that determines the number of recording layers of an information recording medium

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07192294A (ja) * 1993-12-27 1995-07-28 Nec Corp 光学式記録情報再生装置
JPH08255368A (ja) * 1995-03-20 1996-10-01 Toshiba Corp 光ヘッド
JPH10255314A (ja) * 1997-03-12 1998-09-25 Ricoh Co Ltd 光ピックアップ装置
JP2001118281A (ja) * 1999-10-14 2001-04-27 Hitachi Media Electoronics Co Ltd 光ヘッドおよび光情報記録装置

Also Published As

Publication number Publication date
US20050178945A1 (en) 2005-08-18
TWI272604B (en) 2007-02-01
TW200534271A (en) 2005-10-16
JP2005235276A (ja) 2005-09-02
CN1658300A (zh) 2005-08-24
US7482573B2 (en) 2009-01-27

Similar Documents

Publication Publication Date Title
CN100401396C (zh) 光学头、光学再生装置和光学记录及再生装置
US20090080307A1 (en) Method of manufacturing optical head including the step of adjusting parallelism of light beam
JP2015513167A (ja) 書込み後直接読出しを用いる光学記憶装置
US6317400B1 (en) Optical pickup apparatus
JP3392206B2 (ja) 光ピックアップ
WO2005124749A1 (ja) 光情報装置及び光情報装置の制御方法
US20060013110A1 (en) Optical pickup and disk drive apparatus
US8014256B2 (en) Optical pickup and information device
US5838652A (en) Data processing optical head apparatus
US7894322B2 (en) Optical pickup and information equipment
US7355953B2 (en) Optical pickup for cutting off optical noise and optical recording and/or reproducing apparatus using the same
JP2002319699A (ja) 光学装置
US7447136B2 (en) Optical pickup and optical disc apparatus
JP2003132581A (ja) 光ピックアップおよび光ディスク装置
US20040095871A1 (en) Optical pickup device
JP4253556B2 (ja) 光ピックアップおよびそれを搭載した光学的情報記録再生装置
CN100444260C (zh) 光拾取器和光盘装置
US20060193234A1 (en) Optical pick-up apparatus and optical disk apparatus incorporating the optical pick-up apparatus
KR100486291B1 (ko) 호환형 광픽업장치
JPH02192041A (ja) 光ヘッド装置
EP1717802A1 (en) PIckup for optical recording media
US20120134254A1 (en) Optical pickup apparatus
JP2001076363A (ja) ホログラム素子、光集積素子、光ピックアップ及び光情報処理装置
JPH02121129A (ja) 光ヘッド
JP2003067970A (ja) 光ピックアップ装置および情報記録再生装置

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080709

Termination date: 20110218