JPS6059547A - 光学ヘツド - Google Patents

光学ヘツド

Info

Publication number
JPS6059547A
JPS6059547A JP58166730A JP16673083A JPS6059547A JP S6059547 A JPS6059547 A JP S6059547A JP 58166730 A JP58166730 A JP 58166730A JP 16673083 A JP16673083 A JP 16673083A JP S6059547 A JPS6059547 A JP S6059547A
Authority
JP
Japan
Prior art keywords
open
waveguide
optical waveguide
optical head
light source
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.)
Granted
Application number
JP58166730A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0551974B2 (cg-RX-API-DMAC7.html
Inventor
Manabu Yamamoto
学 山本
Hitoshi Kawaguchi
仁司 河口
Hiroo Ukita
宏生 浮田
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP58166730A priority Critical patent/JPS6059547A/ja
Publication of JPS6059547A publication Critical patent/JPS6059547A/ja
Publication of JPH0551974B2 publication Critical patent/JPH0551974B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/28Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/42Coupling light guides with opto-electronic elements
    • G02B6/4201Packages, e.g. shape, construction, internal or external details
    • G02B6/4246Bidirectionally operating package structures
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/122Flying-type heads, e.g. analogous to Winchester type in magnetic recording
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/123Integrated head arrangements, e.g. with source and detectors mounted on the same substrate
    • G11B7/124Integrated head arrangements, e.g. with source and detectors mounted on the same substrate the integrated head arrangements including waveguides
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Head (AREA)
  • Optical Integrated Circuits (AREA)
JP58166730A 1983-09-12 1983-09-12 光学ヘツド Granted JPS6059547A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58166730A JPS6059547A (ja) 1983-09-12 1983-09-12 光学ヘツド

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58166730A JPS6059547A (ja) 1983-09-12 1983-09-12 光学ヘツド

Publications (2)

Publication Number Publication Date
JPS6059547A true JPS6059547A (ja) 1985-04-05
JPH0551974B2 JPH0551974B2 (cg-RX-API-DMAC7.html) 1993-08-04

Family

ID=15836680

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58166730A Granted JPS6059547A (ja) 1983-09-12 1983-09-12 光学ヘツド

Country Status (1)

Country Link
JP (1) JPS6059547A (cg-RX-API-DMAC7.html)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61243964A (ja) * 1985-04-22 1986-10-30 Sony Corp 半導体レ−ザ装置
JPS62173646A (ja) * 1986-01-28 1987-07-30 Omron Tateisi Electronics Co 光情報処理装置におけるピツクアツプ・ヘツド
JPS62173645A (ja) * 1986-01-28 1987-07-30 Omron Tateisi Electronics Co 光情報処理装置におけるピツクアツプ・ヘツド
JPS62124626U (cg-RX-API-DMAC7.html) * 1986-01-28 1987-08-07
JPS62124625U (cg-RX-API-DMAC7.html) * 1986-01-28 1987-08-07
JPS62275332A (ja) * 1986-05-23 1987-11-30 Nippon Telegr & Teleph Corp <Ntt> 光ヘツド
JPS6331033A (ja) * 1986-07-25 1988-02-09 Asahi Glass Co Ltd 光ピツクアツプ
JPS63117337A (ja) * 1986-11-05 1988-05-21 Sharp Corp 導波路型光ヘツド
JPS6398508U (cg-RX-API-DMAC7.html) * 1986-12-16 1988-06-25
JP2005292382A (ja) * 2004-03-31 2005-10-20 Kazuyuki Hirao 光学素子及びその製造方法並びに光学装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4888951A (cg-RX-API-DMAC7.html) * 1972-02-23 1973-11-21
JPS5037402A (cg-RX-API-DMAC7.html) * 1973-08-03 1975-04-08

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4888951A (cg-RX-API-DMAC7.html) * 1972-02-23 1973-11-21
JPS5037402A (cg-RX-API-DMAC7.html) * 1973-08-03 1975-04-08

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61243964A (ja) * 1985-04-22 1986-10-30 Sony Corp 半導体レ−ザ装置
JPS62173646A (ja) * 1986-01-28 1987-07-30 Omron Tateisi Electronics Co 光情報処理装置におけるピツクアツプ・ヘツド
JPS62173645A (ja) * 1986-01-28 1987-07-30 Omron Tateisi Electronics Co 光情報処理装置におけるピツクアツプ・ヘツド
JPS62124626U (cg-RX-API-DMAC7.html) * 1986-01-28 1987-08-07
JPS62124625U (cg-RX-API-DMAC7.html) * 1986-01-28 1987-08-07
JPS62275332A (ja) * 1986-05-23 1987-11-30 Nippon Telegr & Teleph Corp <Ntt> 光ヘツド
JPS6331033A (ja) * 1986-07-25 1988-02-09 Asahi Glass Co Ltd 光ピツクアツプ
JPS63117337A (ja) * 1986-11-05 1988-05-21 Sharp Corp 導波路型光ヘツド
JPS6398508U (cg-RX-API-DMAC7.html) * 1986-12-16 1988-06-25
JP2005292382A (ja) * 2004-03-31 2005-10-20 Kazuyuki Hirao 光学素子及びその製造方法並びに光学装置
US7515803B2 (en) 2004-03-31 2009-04-07 Kazuyuki Hirao Optical element, manufacturing method thereof, and optical device

Also Published As

Publication number Publication date
JPH0551974B2 (cg-RX-API-DMAC7.html) 1993-08-04

Similar Documents

Publication Publication Date Title
US6747939B2 (en) Semiconductor laser device and optical pickup device using the same
EP0565052B1 (en) Optical pick-up head apparatus wherein holographic optical element and photodetector are formed on semiconductor substrate
US6185237B1 (en) Semiconductor laser
WO2000004614A1 (en) Semiconductor laser device
JPS6059547A (ja) 光学ヘツド
US6781944B1 (en) Optical information processor with monolithically integrated light emitting device, light receiving devices and optics
JPWO1997050158A1 (ja) 半導体レーザ
JPH02246030A (ja) 光情報記録再生装置
US6009066A (en) Optical pickup of two different wavelength laser sources with an objective lens having an annular shielding region
JPH0514245B2 (cg-RX-API-DMAC7.html)
JPH0520817B2 (cg-RX-API-DMAC7.html)
JP3385983B2 (ja) 光ヘッドおよび光ディスク装置
JP3533273B2 (ja) 光学装置
JP4376578B2 (ja) 光学的記録再生装置用光学ヘッド
JPS62275332A (ja) 光ヘツド
JPH0261830A (ja) 光カード記録再生装置
JPH07153111A (ja) 光ヘッド
JPH0547023A (ja) 光ピツクアツプ装置
JP2615647B2 (ja) 光ピックアップ
JPH02195532A (ja) 光学ヘッド装置
JP2000067451A (ja) 光学式情報記録・再生装置
JPH08124232A (ja) 光ヘッドと光ディスク装置
WO2005015701A1 (ja) 多ビームレーザを用いた光源
JP2004079168A (ja) 光学的記録再生装置用光学ヘッド
JPH0278031A (ja) 光学的情報記録再生装置