DE3803178C2 - - Google Patents

Info

Publication number
DE3803178C2
DE3803178C2 DE3803178A DE3803178A DE3803178C2 DE 3803178 C2 DE3803178 C2 DE 3803178C2 DE 3803178 A DE3803178 A DE 3803178A DE 3803178 A DE3803178 A DE 3803178A DE 3803178 C2 DE3803178 C2 DE 3803178C2
Authority
DE
Germany
Prior art keywords
light
recording medium
optical
waveguide
optical waveguide
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
Application number
DE3803178A
Other languages
German (de)
English (en)
Other versions
DE3803178A1 (de
Inventor
Sachiko 3300 Braunschweig De Ishikawa
Akira Kodaira Jp Arimoto
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of DE3803178A1 publication Critical patent/DE3803178A1/de
Application granted granted Critical
Publication of DE3803178C2 publication Critical patent/DE3803178C2/de
Granted 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
    • G11B7/1384—Fibre optics

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Integrated Circuits (AREA)
DE3803178A 1987-02-04 1988-02-03 Optische abtasteinrichtung Granted DE3803178A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62022308A JP2539406B2 (ja) 1987-02-04 1987-02-04 固体光ピツクアツプ

Publications (2)

Publication Number Publication Date
DE3803178A1 DE3803178A1 (de) 1988-08-18
DE3803178C2 true DE3803178C2 (OSRAM) 1989-08-10

Family

ID=12079113

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3803178A Granted DE3803178A1 (de) 1987-02-04 1988-02-03 Optische abtasteinrichtung

Country Status (3)

Country Link
US (1) US4861128A (OSRAM)
JP (1) JP2539406B2 (OSRAM)
DE (1) DE3803178A1 (OSRAM)

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US5065390A (en) * 1988-04-22 1991-11-12 Sony Corporation Optical playback head
JP2644829B2 (ja) * 1988-06-24 1997-08-25 株式会社リコー 光情報記録再生装置
US5082339A (en) * 1988-07-11 1992-01-21 Telefunken Electronic Gmbh Optical read-write head with diffraction grating structure
US5006906A (en) * 1988-08-29 1991-04-09 Bell Communications Research, Inc. Integrated semiconductor waveguide/photodetector
JP2682052B2 (ja) * 1988-09-02 1997-11-26 ブラザー工業株式会社 光学ヘッド
FR2637079B1 (fr) * 1988-09-23 1990-11-23 Rd Ctre Suisse Electro Microte Capteur de force a guide d'ondes optique integre dans un substrat
JPH02183429A (ja) * 1989-01-06 1990-07-18 Hitachi Ltd 情報記録再生用光ピックアップ
US5117247A (en) * 1989-05-24 1992-05-26 Minolta Camera Kabushiki Kaisha Viewfinder optical system compensated in macrophotographic or parallox diopter
US5091982A (en) * 1989-07-11 1992-02-25 Ricoh Company, Ltd. Waveguide type optical detection apparatus
JP2647504B2 (ja) * 1989-07-26 1997-08-27 オリンパス光学工業株式会社 実像式変倍ファインダー
JPH0747695Y2 (ja) * 1989-10-26 1995-11-01 株式会社オプテックディディ・メルコ・ラボラトリー 光透過型ロータリーエンコーダ用のホトインタラプタ
EP0431527B1 (en) * 1989-12-04 1995-03-15 Canon Kabushiki Kaisha Optical coupling device using wavelength selective optical coupler
JPH0834003B2 (ja) * 1990-03-08 1996-03-29 直弘 丹野 光導波路記憶媒体及び光再生装置
US5293291A (en) * 1990-04-09 1994-03-08 Nikon Corporation Optical integrated device for magneto-optical reproducing head
JPH04219657A (ja) * 1990-04-13 1992-08-10 Ricoh Co Ltd 光磁気情報記録再生装置及びモードスプリッタ
US5164930A (en) * 1990-07-25 1992-11-17 Pioneer Electronic Corporation Optical pickup
JPH04146681A (ja) * 1990-10-08 1992-05-20 Mitsubishi Electric Corp 半導体レーザ装置
US5233595A (en) * 1990-10-24 1993-08-03 Olympus Optical Co., Ltd. Optical pickup including waveguide light intensity detection means for controlling a position/intensity of a semiconductor laser
DE69024959T2 (de) * 1990-10-30 1996-11-14 Ibm Integrierte optische Kopfstruktur
US5166989A (en) * 1990-11-16 1992-11-24 International Business Machines Corporation Integrated polarization detection system
US5233187A (en) * 1991-01-22 1993-08-03 Canon Kabushiki Kaisha Multi-wavelength light detecting and/or emitting apparatuses having serially arranged grating directional couplers
US5418765A (en) * 1991-04-19 1995-05-23 Ricoh Company, Ltd. Apparatus for recording and reproducing optical information having an optical waveguide
DE4113046C2 (de) * 1991-04-22 1994-02-10 Zeiss Carl Jena Gmbh Optoelektronisches Positionsmeßgerät
JPH05205486A (ja) * 1991-04-26 1993-08-13 Naohiro Tanno 光導波路記録媒体及び光再生装置
JPH0572497A (ja) * 1991-09-11 1993-03-26 Sharp Corp 一体型光素子および基板型光素子
DE4228853C2 (de) * 1991-09-18 1993-10-21 Schott Glaswerke Optischer Wellenleiter mit einem planaren oder nur geringfügig gewölbten Substrat und Verfahren zu dessen Herstellung sowie Verwendung eines solchen
JPH05259584A (ja) * 1992-01-14 1993-10-08 Internatl Business Mach Corp <Ibm> 集積光デフレクタおよびその製造方法
US5238877A (en) * 1992-04-30 1993-08-24 The United States Of America As Represented By The Secretary Of The Navy Conformal method of fabricating an optical waveguide on a semiconductor substrate
FR2694841B1 (fr) * 1992-08-14 1994-09-09 Commissariat Energie Atomique Procédé d'hybridation et de positionnement d'un composant opto-électronique et application de ce procédé au positionnement de ce composant par rapport à un guide optique intégré.
JP3373560B2 (ja) * 1992-09-29 2003-02-04 株式会社リコー 光磁気情報記録再生装置
IL106185A (en) * 1993-06-30 1997-03-18 Scitex Corp Ltd Optical waveguide mode coupling using mechanical wave interference
JP2675977B2 (ja) * 1994-02-10 1997-11-12 オリンパス光学工業株式会社 光情報記録再生装置
JPH0822630A (ja) * 1994-07-04 1996-01-23 Sharp Corp マルチビーム光ヘッド
US5732172A (en) * 1996-08-29 1998-03-24 The Regents Of The University Of California Laser pulse sampler
JP3887738B2 (ja) * 1998-11-04 2007-02-28 富士通株式会社 半導体光集積回路装置及びその製造方法
JP3558553B2 (ja) * 1999-05-31 2004-08-25 パイオニア株式会社 光集積装置及びその製造方法
WO2002099471A2 (en) * 2001-06-07 2002-12-12 Optical Power Systems Inc. Method and apparatus for optical fiber side coupling
JP2003156644A (ja) * 2001-11-21 2003-05-30 Seiko Epson Corp 方向性結合器および光通信用装置
FI114946B (fi) * 2002-12-16 2005-01-31 Nokia Corp Diffraktiivinen hilaelementti diffraktiohyötysuhteen tasapainottamiseksi
KR100518030B1 (ko) * 2003-07-08 2005-10-04 한국전자통신연구원 누설모드를 이용한 고 효율 광 커플러
US7171080B2 (en) * 2004-11-15 2007-01-30 Seagate Technology Llc Coupling grating for focusing light within a waveguide for heat assisted magnetic recording
US7580336B2 (en) * 2004-12-08 2009-08-25 Electronics And Telecommunications Research Institute Optical head having a beam input/output coupler on a planar waveguide
US7440660B1 (en) * 2007-10-16 2008-10-21 Seagate Technology Llc Transducer for heat assisted magnetic recording
US8213751B1 (en) * 2008-11-26 2012-07-03 Optonet Inc. Electronic-integration compatible photonic integrated circuit and method for fabricating electronic-integration compatible photonic integrated circuit
TWI572912B (zh) * 2012-12-17 2017-03-01 鴻海精密工業股份有限公司 光調變器
US9971174B2 (en) * 2015-02-18 2018-05-15 Raytheon Company System and method for providing active refraction feedback for devices with variable index of refraction

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Publication number Priority date Publication date Assignee Title
US4185256A (en) * 1978-01-13 1980-01-22 Xerox Corporation Mode control of heterojunction injection lasers and method of fabrication
US4425023A (en) * 1980-01-31 1984-01-10 Canon Kabushiki Kaisha Beam spot scanning device
JPS59107431A (ja) * 1982-12-10 1984-06-21 Omron Tateisi Electronics Co 光学的情報記録媒体用ピツクアツプ装置
US4694447A (en) * 1984-07-12 1987-09-15 International Business Machines Corp. Optical signal recorders employing two lasers and methods therefor
DE3546796C2 (OSRAM) * 1984-10-01 1993-09-23 Mitsubishi Denki K.K., Tokio/Tokyo, Jp
US4720824A (en) * 1984-12-28 1988-01-19 Olympus Optical Co., Ltd. Information reading apparatus with a light beam scanning technique
EP0198245B1 (en) * 1985-03-18 1990-06-13 Nec Corporation Polarization controlling device comprising a beam splitter
US4779259A (en) * 1985-04-25 1988-10-18 Mitsubishi Denki Kabushiki Kaisha Optical head assembly with efficient light source coupling surface and method of construction
JPS61254910A (ja) * 1985-05-07 1986-11-12 Mitsubishi Electric Corp 光情報処理装置
JPS6273437A (ja) * 1985-09-26 1987-04-04 Mitsubishi Electric Corp 光学式ヘツド装置
US4801184A (en) * 1987-06-15 1989-01-31 Eastman Kodak Company Integrated optical read/write head and apparatus incorporating same

Also Published As

Publication number Publication date
DE3803178A1 (de) 1988-08-18
JPS63191327A (ja) 1988-08-08
US4861128A (en) 1989-08-29
JP2539406B2 (ja) 1996-10-02

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee