CN1168075C - 半导体激光器的控制方法和半导体激光控制装置 - Google Patents
半导体激光器的控制方法和半导体激光控制装置 Download PDFInfo
- Publication number
- CN1168075C CN1168075C CNB011359862A CN01135986A CN1168075C CN 1168075 C CN1168075 C CN 1168075C CN B011359862 A CNB011359862 A CN B011359862A CN 01135986 A CN01135986 A CN 01135986A CN 1168075 C CN1168075 C CN 1168075C
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- luminous
- signal
- semiconductor laser
- light pulse
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- 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
- 239000004065 semiconductor Substances 0.000 title claims abstract description 215
- 238000000034 method Methods 0.000 title claims abstract description 92
- 238000012360 testing method Methods 0.000 claims description 163
- 238000001514 detection method Methods 0.000 claims description 85
- 238000005070 sampling Methods 0.000 claims description 56
- 238000005286 illumination Methods 0.000 claims description 24
- 230000003287 optical effect Effects 0.000 claims description 19
- 230000015654 memory Effects 0.000 claims description 10
- 241001269238 Data Species 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 206010070834 Sensitisation Diseases 0.000 description 12
- 230000008313 sensitization Effects 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 10
- 230000004044 response Effects 0.000 description 9
- 101100067427 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) FUS3 gene Proteins 0.000 description 6
- 101100015484 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) GPA1 gene Proteins 0.000 description 6
- 230000006866 deterioration Effects 0.000 description 5
- 230000007774 longterm Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000005755 formation reaction Methods 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 230000001052 transient effect Effects 0.000 description 4
- 238000012937 correction Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 101100247611 Arabidopsis thaliana RCF3 gene Proteins 0.000 description 2
- 101100203216 Oryza sativa subsp. japonica SHI1 gene Proteins 0.000 description 2
- 238000003556 assay Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000700 radioactive tracer Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
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- 238000002372 labelling Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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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
- G11B7/125—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
- G11B7/125—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
- G11B7/1267—Power calibration
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Abstract
Description
Claims (23)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000328789 | 2000-10-27 | ||
JP328789/2000 | 2000-10-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1351330A CN1351330A (zh) | 2002-05-29 |
CN1168075C true CN1168075C (zh) | 2004-09-22 |
Family
ID=18805592
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB011359862A Expired - Lifetime CN1168075C (zh) | 2000-10-27 | 2001-10-29 | 半导体激光器的控制方法和半导体激光控制装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US6728178B2 (zh) |
CN (1) | CN1168075C (zh) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003157530A (ja) * | 2001-11-26 | 2003-05-30 | Hitachi Ltd | 光ディスク装置 |
CN1440031A (zh) * | 2002-02-21 | 2003-09-03 | 三美电机株式会社 | 光能级控制装置 |
US20040004916A1 (en) * | 2002-07-03 | 2004-01-08 | Oak Technology, Inc. | Laser disc signal monitoring and control |
TWI226625B (en) * | 2002-09-13 | 2005-01-11 | Mediatek Inc | Method for controlling output power of a pick-up head using automatic power control loop |
CN1331135C (zh) * | 2002-09-17 | 2007-08-08 | 联发科技股份有限公司 | 功率补偿电路与方法及具有该功率补偿电路的光学装置 |
KR101088982B1 (ko) * | 2002-10-10 | 2011-12-01 | 파나소닉 주식회사 | 기록 방법, 데이터 기록 매체, 재생 방법 및 제조 설비 |
US7310293B2 (en) * | 2003-04-04 | 2007-12-18 | Matsushita Electric Industrial Co., Ltd. | Method and apparatus for controlling laser power using a test light emission pattern having a multipulse light emission interval |
US7369469B2 (en) * | 2003-09-02 | 2008-05-06 | Matsushita Electric Industrial Co., Ltd. | Laser power control apparatus and method, an optical disk apparatus and a recording method |
US20050069002A1 (en) * | 2003-09-25 | 2005-03-31 | Hisashi Senga | Laser driving device |
JP4188220B2 (ja) * | 2003-12-05 | 2008-11-26 | 東芝マイクロエレクトロニクス株式会社 | レーザ制御装置 |
JP4445507B2 (ja) * | 2005-01-14 | 2010-04-07 | パイオニア株式会社 | 記録装置及び記録方法、並びにコンピュータプログラム |
CN100383541C (zh) * | 2005-06-08 | 2008-04-23 | 中国科学院上海光学精密机械研究所 | 半导体激光器热弛豫时间的测试装置及其测量方法 |
US7583571B2 (en) * | 2005-11-14 | 2009-09-01 | Lsi Corporation | Write based power adaptive control system |
JP2009517798A (ja) * | 2005-12-01 | 2009-04-30 | 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 | 高速フォワード・レーザ電力制御(lpc)を備えた光記録装置 |
US8812166B2 (en) * | 2009-10-20 | 2014-08-19 | Hewlett-Packard Development Company, L.P. | Supplying a resource to an entity from a resource actuator |
US9148918B2 (en) | 2013-12-04 | 2015-09-29 | Infineon Technologies Ag | Feedforward circuit for fast analog dimming in LED drivers |
CN103915756A (zh) * | 2014-04-14 | 2014-07-09 | 北京华泰诺安科技有限公司 | 一种激光器控制系统 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4689795A (en) * | 1984-04-27 | 1987-08-25 | Mitsubishi Denki Kabushiki Kaisha | Semiconductor laser controller |
JPH0821173B2 (ja) | 1984-07-27 | 1996-03-04 | 松下電器産業株式会社 | 半導体レ−ザ駆動回路 |
KR940011268B1 (ko) * | 1989-12-21 | 1994-12-03 | 가부시키가이샤 도시바 | 반도체레이저를 위한 안정된 궤환제어장치 |
NL9000150A (nl) * | 1990-01-22 | 1991-08-16 | Philips Nv | Werkwijze en inrichting voor het aanbrengen van een patroon van gebiedjes met veranderde optische eigenschappen in een registratiedrager. |
US5642343A (en) * | 1990-06-29 | 1997-06-24 | Hitachi, Ltd. | Magnetooptic disc apparatus and recording medium |
US5590111A (en) * | 1990-06-29 | 1996-12-31 | Hitachi, Ltd. | Method of controlling recording of optical records |
JPH04134737A (ja) * | 1990-09-27 | 1992-05-08 | Internatl Business Mach Corp <Ibm> | 光ディスク駆動装置及び光量調整装置 |
JP3050336B2 (ja) * | 1991-07-05 | 2000-06-12 | パイオニア株式会社 | 追記型光ディスクへの記録方法及び光ディスク記録装置 |
JPH07169055A (ja) * | 1993-12-15 | 1995-07-04 | Hitachi Ltd | 光ディスク装置及び光ディスク |
JPH0916964A (ja) * | 1995-06-26 | 1997-01-17 | Pioneer Electron Corp | 光学式記録媒体および光ビームの供給パワー設定方法 |
US5742573A (en) * | 1996-05-03 | 1998-04-21 | Eastman Kodak Company | Compensation apparatus for radial and vertical runout of an optical disc |
JPH1092037A (ja) * | 1996-09-19 | 1998-04-10 | Canon Inc | 光磁気記録再生方法及び光磁気記録再生装置 |
US6392970B1 (en) * | 1997-08-04 | 2002-05-21 | Sharp Kabushiki Kaisha | Reproducing light quantity control method for optical memory device, and reproducing light quantity control device, and optical recording medium |
CN1251203C (zh) * | 1997-11-26 | 2006-04-12 | 松下电器产业株式会社 | 聚焦位置调整装置及光盘驱动装置 |
JP2000040231A (ja) | 1998-07-21 | 2000-02-08 | Victor Co Of Japan Ltd | 光ディスク記録再生装置及び光ディスク |
-
2001
- 2001-10-24 US US09/983,402 patent/US6728178B2/en not_active Expired - Lifetime
- 2001-10-29 CN CNB011359862A patent/CN1168075C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1351330A (zh) | 2002-05-29 |
US6728178B2 (en) | 2004-04-27 |
US20020070329A1 (en) | 2002-06-13 |
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C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: JVC KENWOOD CORPORATION Free format text: FORMER OWNER: VICTORY CO. LTD. Effective date: 20140404 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20140404 Address after: Japan Osaka Patentee after: Matsushita Electric Industrial Co., Ltd. Patentee after: JVC Kenwood Corp. Address before: Japan Osaka Patentee before: Matsushita Electric Industrial Co., Ltd. Patentee before: Victory Co., Ltd. |
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CX01 | Expiry of patent term |
Granted publication date: 20040922 |
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CX01 | Expiry of patent term |