DE69021237D1 - Laserdiode und optischer Kopf mit mehreren Strahlen, welcher die Laserdiode verwendet. - Google Patents
Laserdiode und optischer Kopf mit mehreren Strahlen, welcher die Laserdiode verwendet.Info
- Publication number
- DE69021237D1 DE69021237D1 DE69021237T DE69021237T DE69021237D1 DE 69021237 D1 DE69021237 D1 DE 69021237D1 DE 69021237 T DE69021237 T DE 69021237T DE 69021237 T DE69021237 T DE 69021237T DE 69021237 D1 DE69021237 D1 DE 69021237D1
- Authority
- DE
- Germany
- Prior art keywords
- laser diode
- optical head
- beam optical
- diode
- laser
- 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 - Lifetime
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
- G11B7/125—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
- G11B7/127—Lasers; Multiple laser arrays
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K1/00—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length
- C07K1/14—Extraction; Separation; Purification
-
- 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
- G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
- H01S5/4031—Edge-emitting structures
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biophysics (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Medicinal Chemistry (AREA)
- Molecular Biology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Analytical Chemistry (AREA)
- Optical Head (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1059564A JPH081705B2 (ja) | 1989-03-14 | 1989-03-14 | 半導体レーザー及びこれを用いたマルチビーム光ヘッド |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69021237D1 true DE69021237D1 (de) | 1995-09-07 |
DE69021237T2 DE69021237T2 (de) | 1996-05-02 |
Family
ID=13116861
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69021237T Expired - Lifetime DE69021237T2 (de) | 1989-03-14 | 1990-03-13 | Laserdiode und optischer Kopf mit mehreren Strahlen, welcher die Laserdiode verwendet. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5144616A (de) |
EP (1) | EP0388760B1 (de) |
JP (1) | JPH081705B2 (de) |
DE (1) | DE69021237T2 (de) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3066118B2 (ja) * | 1991-07-19 | 2000-07-17 | パイオニア株式会社 | 光検出装置 |
US5619488A (en) * | 1991-09-07 | 1997-04-08 | Fuji Xerox Co., Ltd. | Information recording device |
JPH05114159A (ja) * | 1991-10-22 | 1993-05-07 | Canon Inc | 複数ビーム光ヘツド |
JPH0696468A (ja) * | 1992-09-14 | 1994-04-08 | Canon Inc | 光記録再生装置及び半導体レーザアレイ |
US5526182A (en) * | 1993-02-17 | 1996-06-11 | Vixel Corporation | Multiple beam optical memory system |
US5483511A (en) * | 1993-02-17 | 1996-01-09 | Vixel Corporation | Multiple beam optical memory system with solid-state lasers |
JPH07129966A (ja) * | 1993-11-05 | 1995-05-19 | Matsushita Electric Ind Co Ltd | マルチビーム光ヘッド |
JPH07147020A (ja) * | 1993-11-24 | 1995-06-06 | Canon Inc | 複数ビーム光ヘッド |
EP0663662A2 (de) * | 1994-01-13 | 1995-07-19 | Toshinobu Futagawa | Optische Kopfeinheit |
US5523995A (en) * | 1994-04-01 | 1996-06-04 | Lichtenberg; Heinz D. | Optical information read/write system with a spread plane beam |
GB2300749A (en) * | 1995-05-06 | 1996-11-13 | Thomson Multimedia Sa | A multiple beam optical disk system |
JP3800653B2 (ja) * | 1995-12-26 | 2006-07-26 | ソニー株式会社 | クロストーク除去装置 |
US5815482A (en) * | 1996-01-22 | 1998-09-29 | T Squared G, Inc. | Multibyte random access mass storage/memory system |
US6038089A (en) * | 1996-05-14 | 2000-03-14 | Asahi Kogaku Kogyo Kabushiki Kaisha | Beam shaping optical system |
US5959953A (en) * | 1996-07-03 | 1999-09-28 | Zen Research Nv | Methods and apparatus for performing cross-talk correction in a multi-track optical disk reader based on magnification error |
US6430125B1 (en) * | 1996-07-03 | 2002-08-06 | Zen Research (Ireland), Ltd. | Methods and apparatus for detecting and correcting magnification error in a multi-beam optical disk drive |
US5870227A (en) * | 1997-03-13 | 1999-02-09 | T Squared G Systems, Inc. | Scanning head lens assembly |
US6252715B1 (en) | 1997-03-13 | 2001-06-26 | T. Squared G, Inc. | Beam pattern contractor and focus element, method and apparatus |
US20010050892A1 (en) * | 1997-07-11 | 2001-12-13 | Yoshitaka Takahashi | Optical disk apparatus compatible with different types of mediums |
US5917797A (en) * | 1997-08-15 | 1999-06-29 | Zen Research Nv | Multi-beam optical pickup assembly and methods using a compact two-dimensional arrangement of beams |
US6411573B1 (en) | 1998-02-20 | 2002-06-25 | Zen Research (Ireland), Ltd. | Multi-beam optical pickup |
US6314071B1 (en) | 1998-02-20 | 2001-11-06 | Zen Research (Ireland), Ltd. | Method and apparatus for reading multiple tracks and writing at least one track of an optical disk |
US6091067A (en) * | 1998-06-02 | 2000-07-18 | Science Applications International Corporation | Scanning device using fiber optic bimorph |
US6341118B1 (en) | 1998-06-02 | 2002-01-22 | Science Applications International Corporation | Multiple channel scanning device using oversampling and image processing to increase throughput |
US6137105A (en) * | 1998-06-02 | 2000-10-24 | Science Applications International Corporation | Multiple parallel source scanning device |
US6166756A (en) * | 1998-06-02 | 2000-12-26 | Science Applications International Corporation | Multiple channel data writing device |
US6584052B1 (en) | 1998-06-02 | 2003-06-24 | Science Applications International Corporation | Method and apparatus for controlling the focus of a read/write head for an optical scanner |
US6246658B1 (en) | 1998-06-02 | 2001-06-12 | Science Applications International Corporation | Multiple channel scanning device using optoelectronic switching |
US6137763A (en) * | 1998-09-24 | 2000-10-24 | Zen Research N.V. | Method and apparatus for buffering data in a multi-beam optical disk reader |
US6229771B1 (en) * | 1998-10-09 | 2001-05-08 | Zen Research (Ireland), Ltd. | Method and apparatus for generating focus error signals in a multi-beam optical disk drive |
US6985414B2 (en) | 2001-01-08 | 2006-01-10 | Dragsholm Wireless Holdings Llc | Method and apparatus for writing on an optical disk with beam spots aligned at an angle to data tracks |
US6700096B2 (en) * | 2001-10-30 | 2004-03-02 | Semiconductor Energy Laboratory Co., Ltd. | Laser apparatus, laser irradiation method, manufacturing method for semiconductor device, semiconductor device, production system for semiconductor device using the laser apparatus, and electronic equipment |
US7105048B2 (en) * | 2001-11-30 | 2006-09-12 | Semiconductor Energy Laboratory Co., Ltd. | Laser irradiation apparatus |
JP2009529751A (ja) * | 2006-03-10 | 2009-08-20 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 情報担体の書き込み/読み取りのための方法及び装置と,斯様な情報担体 |
CN113064136A (zh) | 2020-01-02 | 2021-07-02 | 隆达电子股份有限公司 | 发光元件与发光模块 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54146613A (en) * | 1978-05-10 | 1979-11-16 | Hitachi Ltd | Optical head |
EP0092420A1 (de) * | 1982-04-19 | 1983-10-26 | Xerox Corporation | Vorrichtungen zur Informationsspeicherung |
US4594719A (en) * | 1984-01-19 | 1986-06-10 | Rca Corporation | Phase-locked laser array having a non-uniform spacing between lasing regions |
JPS6311726U (de) * | 1986-07-09 | 1988-01-26 | ||
JP2661098B2 (ja) * | 1988-02-09 | 1997-10-08 | 日本電気株式会社 | 半導体レーザおよび光ディスク装置 |
-
1989
- 1989-03-14 JP JP1059564A patent/JPH081705B2/ja not_active Expired - Fee Related
-
1990
- 1990-03-13 DE DE69021237T patent/DE69021237T2/de not_active Expired - Lifetime
- 1990-03-13 EP EP90104710A patent/EP0388760B1/de not_active Expired - Lifetime
- 1990-03-13 US US07/492,453 patent/US5144616A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH081705B2 (ja) | 1996-01-10 |
US5144616A (en) | 1992-09-01 |
EP0388760A1 (de) | 1990-09-26 |
DE69021237T2 (de) | 1996-05-02 |
EP0388760B1 (de) | 1995-08-02 |
JPH02239436A (ja) | 1990-09-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |