JPH08503315A - 偏光ビームスプリッタ及びこのビームスプリッタを用いる光磁気再生装置 - Google Patents

偏光ビームスプリッタ及びこのビームスプリッタを用いる光磁気再生装置

Info

Publication number
JPH08503315A
JPH08503315A JP7502618A JP50261895A JPH08503315A JP H08503315 A JPH08503315 A JP H08503315A JP 7502618 A JP7502618 A JP 7502618A JP 50261895 A JP50261895 A JP 50261895A JP H08503315 A JPH08503315 A JP H08503315A
Authority
JP
Japan
Prior art keywords
beam splitter
polarization
refractive index
stack
polarizing
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.)
Pending
Application number
JP7502618A
Other languages
English (en)
Japanese (ja)
Inventor
デル ワル ヨハネス ファン
ウィレム ヘラルド オペーイ
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
Priority claimed from BE9300661A external-priority patent/BE1007250A3/nl
Application filed by Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of JPH08503315A publication Critical patent/JPH08503315A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • 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
    • 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
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/283—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Polarising Elements (AREA)
  • Optical Head (AREA)
JP7502618A 1993-06-25 1994-06-23 偏光ビームスプリッタ及びこのビームスプリッタを用いる光磁気再生装置 Pending JPH08503315A (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
BE9300661A BE1007250A3 (nl) 1993-06-25 1993-06-25 Polariserende bundeldeler.
EP94201684.1 1994-06-13
EP9300661 1994-06-13
EP94201684 1994-06-13
PCT/IB1994/000170 WO1995000873A1 (en) 1993-06-25 1994-06-23 Polarizing beam splitter and magneto-optic reading device using the same

Publications (1)

Publication Number Publication Date
JPH08503315A true JPH08503315A (ja) 1996-04-09

Family

ID=25662742

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7502618A Pending JPH08503315A (ja) 1993-06-25 1994-06-23 偏光ビームスプリッタ及びこのビームスプリッタを用いる光磁気再生装置

Country Status (6)

Country Link
US (1) US6014255A (enExample)
JP (1) JPH08503315A (enExample)
KR (1) KR950703164A (enExample)
CN (1) CN1039059C (enExample)
TW (1) TW277106B (enExample)
WO (1) WO1995000873A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999054874A1 (en) * 1998-04-15 1999-10-28 Sony Corporation Optical pickup device and optical disk recording and/or reproducing device
JP2007042202A (ja) * 2005-08-02 2007-02-15 Sharp Corp 光学ヘッドおよびディスク再生装置

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19580247T1 (de) * 1994-02-07 1996-03-21 Nikon Corp Optisches Glas für ein optisches Polarisationssystem, Herstellungsverfahren dafür und Polarisationsstrahlteiler
US6304395B1 (en) * 1998-03-09 2001-10-16 Asahi Kogaku Kogyo Kabushiki Kaisha Viewing optical instrument having roof prism and a roof prism
JP3332879B2 (ja) * 1998-12-02 2002-10-07 キヤノン株式会社 ダイクロイックミラー
JP3782916B2 (ja) * 2000-02-18 2006-06-07 富士通株式会社 光情報記憶装置および光学素子
JP2002071946A (ja) * 2000-08-30 2002-03-12 Nippon Sheet Glass Co Ltd 偏光フィルタおよびそれを用いた光学装置
JP2003172824A (ja) * 2001-09-25 2003-06-20 Sony Corp 偏光ビームスプリッタ及びこれを用いた偏光子
JP3812527B2 (ja) * 2002-09-26 2006-08-23 コニカミノルタオプト株式会社 偏光ビームスプリッタ
JP4207554B2 (ja) * 2002-12-12 2009-01-14 住友電気工業株式会社 光射出面上に回折光学膜を有する発光素子とその製造方法
JP2005055568A (ja) * 2003-08-01 2005-03-03 Minolta Co Ltd 偏光ビームスプリッター
JP2005084382A (ja) * 2003-09-09 2005-03-31 Minolta Co Ltd 偏光ビームスプリッター膜の位相シフト調整方法
JP2005107317A (ja) * 2003-09-30 2005-04-21 Minolta Co Ltd 偏光分離膜および偏光分離プリズム
CN100401398C (zh) 2004-01-07 2008-07-09 索尼株式会社 光盘设备
US8817371B1 (en) * 2008-08-01 2014-08-26 Simon Andrew Boothroyd Polarizing beam splitters
TWI380481B (en) * 2009-01-13 2012-12-21 Huga Optotech Inc Light-emitting diode with high light-emitting efficiency
US8305502B2 (en) 2009-11-11 2012-11-06 Eastman Kodak Company Phase-compensated thin-film beam combiner
TWI433091B (zh) 2010-11-26 2014-04-01 Novatek Microelectronics Corp 驅動裝置及顯示面板
CN102809830B (zh) * 2012-08-30 2014-10-22 武汉光迅科技股份有限公司 一种具有光程差补偿结构的偏振分束器
KR102051103B1 (ko) * 2012-11-07 2019-12-03 삼성디스플레이 주식회사 유기 발광 표시 장치
CN110737099B (zh) * 2018-07-18 2022-02-11 福州高意光学有限公司 偏振无关的分束器

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2504734B2 (ja) * 1983-11-08 1996-06-05 シャープ株式会社 光磁気記憶装置の光学装置
DE3581033D1 (de) * 1984-09-04 1991-02-07 Matsushita Electric Industrial Co Ltd Geraet zum antreiben eines optischen speichermediums.
US5249171A (en) * 1984-12-30 1993-09-28 Olympus Optical Company Ltd. Opto-magnetic pick-up device including phase difference correcting means
US4733926A (en) * 1986-11-10 1988-03-29 Lockheed Missiles & Space Company, Inc. Infrared polarizing beamsplitter
DE3781157T2 (de) * 1987-10-30 1993-03-04 Ibm Deutschland Buendelanalyse-vorrichtung fuer geraete zur optischen aufzeichnung.
FR2629924B1 (fr) * 1988-04-08 1992-09-04 Comp Generale Electricite Polariseur a couches dielectriques
US4896952A (en) * 1988-04-22 1990-01-30 International Business Machines Corporation Thin film beamsplitter optical element for use in an image-forming lens system
JPH0264917A (ja) * 1988-08-30 1990-03-05 Nhk Spring Co Ltd 光磁気記録装置用光学ヘッド構造
JP2982965B2 (ja) * 1989-09-18 1999-11-29 オリンパス光学工業株式会社 光学式読み取り装置
US5400179A (en) * 1992-02-18 1995-03-21 Asahi Kogaku Kogyo Kabushiki Kaisha Optical multilayer thin film and beam splitter
EP0601862A1 (en) * 1992-12-09 1994-06-15 Omron Corporation An optical device formed of multiple film layers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999054874A1 (en) * 1998-04-15 1999-10-28 Sony Corporation Optical pickup device and optical disk recording and/or reproducing device
JP2007042202A (ja) * 2005-08-02 2007-02-15 Sharp Corp 光学ヘッドおよびディスク再生装置

Also Published As

Publication number Publication date
CN1039059C (zh) 1998-07-08
WO1995000873A1 (en) 1995-01-05
US6014255A (en) 2000-01-11
KR950703164A (ko) 1995-08-23
TW277106B (enExample) 1996-06-01
CN1112797A (zh) 1995-11-29

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