DE69122140D1 - Treiberschaltung für Halbleiterlaser - Google Patents
Treiberschaltung für HalbleiterlaserInfo
- Publication number
- DE69122140D1 DE69122140D1 DE69122140T DE69122140T DE69122140D1 DE 69122140 D1 DE69122140 D1 DE 69122140D1 DE 69122140 T DE69122140 T DE 69122140T DE 69122140 T DE69122140 T DE 69122140T DE 69122140 D1 DE69122140 D1 DE 69122140D1
- Authority
- DE
- Germany
- Prior art keywords
- driver circuit
- semiconductor lasers
- lasers
- semiconductor
- driver
- 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 - Fee Related
Links
- 239000004065 semiconductor Substances 0.000 title 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
- G06K7/10851—Circuits for pulse shaping, amplifying, eliminating noise signals, checking the function of the sensing device
-
- 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
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/068—Stabilisation of laser output parameters
- H01S5/06825—Protecting the laser, e.g. during switch-on/off, detection of malfunctioning or degradation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K2207/00—Other aspects
- G06K2207/1018—Source control
-
- 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
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/068—Stabilisation of laser output parameters
- H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
- H01S5/06835—Stabilising during pulse modulation or generation
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Artificial Intelligence (AREA)
- Toxicology (AREA)
- General Health & Medical Sciences (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Health & Medical Sciences (AREA)
- Theoretical Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2029100A JPH03232285A (ja) | 1990-02-07 | 1990-02-07 | 半導体レーザ駆動回路 |
JP2029098A JP2965596B2 (ja) | 1990-02-07 | 1990-02-07 | 半導体レーザ駆動回路 |
JP2029102A JP2895144B2 (ja) | 1990-02-07 | 1990-02-07 | 半導体レーザ駆動回路 |
JP2029099A JP2965597B2 (ja) | 1990-02-07 | 1990-02-07 | 半導体レーザ駆動回路 |
JP2029103A JP2965598B2 (ja) | 1990-02-07 | 1990-02-07 | 半導体レーザ駆動回路 |
JP2029101A JP2895143B2 (ja) | 1990-02-07 | 1990-02-07 | 半導体レーザ駆動回路 |
JP11366090A JP2941353B2 (ja) | 1990-04-27 | 1990-04-27 | 半導体レーザ駆動回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69122140D1 true DE69122140D1 (de) | 1996-10-24 |
DE69122140T2 DE69122140T2 (de) | 1997-02-06 |
Family
ID=27564209
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69122140T Expired - Fee Related DE69122140T2 (de) | 1990-02-07 | 1991-02-07 | Treiberschaltung für Halbleiterlaser |
Country Status (3)
Country | Link |
---|---|
US (1) | US5163063A (de) |
EP (1) | EP0441709B1 (de) |
DE (1) | DE69122140T2 (de) |
Families Citing this family (73)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4110095C2 (de) * | 1991-03-27 | 1998-02-12 | Draegerwerk Ag | Verfahren zur gasspektroskopischen Messung der Konzentration eines Gasbestandteiles |
JPH0582876A (ja) * | 1991-09-18 | 1993-04-02 | Minolta Camera Co Ltd | レーザダイオードユニツトの駆動方法 |
JP2917642B2 (ja) * | 1992-01-24 | 1999-07-12 | 三菱電機株式会社 | レーザ出力制御装置 |
FR2694423B1 (fr) * | 1992-07-30 | 1994-12-23 | France Telecom | Dispositif de contrôle de la puissance de sortie des diodes laser. |
WO1994015388A1 (en) * | 1992-12-18 | 1994-07-07 | Olympus Optical Co., Ltd. | Apparatus for stabilizing wavelength |
US5442510A (en) * | 1993-06-23 | 1995-08-15 | The United States Of America As Represented By The Secretary Of The Navy | Control system for tracking nonlinear systems |
JPH07174629A (ja) * | 1993-12-20 | 1995-07-14 | Mitsubishi Electric Corp | 光劣化検出回路 |
JPH07240551A (ja) * | 1994-03-02 | 1995-09-12 | Fujitsu Ltd | 光増幅伝送装置におけるサージ光発生防止方式 |
US5506853A (en) * | 1994-11-23 | 1996-04-09 | Harris Corporation | Offset stabilization of wide dynamic range injection laser diode with single bit sampling |
JPH08330661A (ja) * | 1995-06-05 | 1996-12-13 | Fuji Photo Film Co Ltd | 面発光レーザの光量モニター装置 |
DE19525918C2 (de) * | 1995-07-04 | 1997-12-11 | Siemens Ag | Einrichtung zum Überwachen eines leistungsgeregelten Lasers |
JPH0961862A (ja) * | 1995-08-23 | 1997-03-07 | Fujitsu Ltd | 光増幅器の制御装置 |
US5784396A (en) * | 1996-09-17 | 1998-07-21 | Xerox Corporation | VCSEL integral feedback assembly two-etch structure |
US5852410A (en) * | 1997-03-04 | 1998-12-22 | Maxtec International Corporation | Laser optical path degradation detecting device |
US6285692B1 (en) * | 1998-08-05 | 2001-09-04 | Advantest Corporation | Method and apparatus for driving laser diode |
US6853654B2 (en) | 1999-07-27 | 2005-02-08 | Intel Corporation | Tunable external cavity laser |
US6879619B1 (en) | 1999-07-27 | 2005-04-12 | Intel Corporation | Method and apparatus for filtering an optical beam |
US6847661B2 (en) | 1999-09-20 | 2005-01-25 | Iolon, Inc. | Tunable laser with microactuator |
US6856632B1 (en) | 1999-09-20 | 2005-02-15 | Iolon, Inc. | Widely tunable laser |
JP3911933B2 (ja) * | 1999-11-15 | 2007-05-09 | 富士フイルム株式会社 | 安全装置 |
DE60037912T2 (de) * | 2000-04-19 | 2009-01-29 | Fujitsu Ltd., Kawasaki | Optisches parallelmodul und informationsverarbeitungsvorrichtung |
JP2002016316A (ja) * | 2000-06-30 | 2002-01-18 | Sanyo Denki Co Ltd | 半導体発光素子の出力補償方法及び装置 |
US7120176B2 (en) | 2000-07-27 | 2006-10-10 | Intel Corporation | Wavelength reference apparatus and method |
US7133153B2 (en) * | 2000-08-31 | 2006-11-07 | Canon Kabushiki Kaisha | Printhead having digital circuit and analog circuit, and printing apparatus using the same |
JP2002137440A (ja) * | 2000-10-31 | 2002-05-14 | Dainippon Screen Mfg Co Ltd | 画像記録装置 |
US6816516B2 (en) | 2001-03-21 | 2004-11-09 | Intel Corporation | Error signal generation system |
US6658031B2 (en) * | 2001-07-06 | 2003-12-02 | Intel Corporation | Laser apparatus with active thermal tuning of external cavity |
US6788724B2 (en) * | 2001-07-06 | 2004-09-07 | Intel Corporation | Hermetically sealed external cavity laser system and method |
US6804278B2 (en) * | 2001-07-06 | 2004-10-12 | Intel Corporation | Evaluation and adjustment of laser losses according to voltage across gain medium |
US6901088B2 (en) | 2001-07-06 | 2005-05-31 | Intel Corporation | External cavity laser apparatus with orthogonal tuning of laser wavelength and cavity optical pathlength |
US6822979B2 (en) | 2001-07-06 | 2004-11-23 | Intel Corporation | External cavity laser with continuous tuning of grid generator |
US7230959B2 (en) * | 2002-02-22 | 2007-06-12 | Intel Corporation | Tunable laser with magnetically coupled filter |
US6845121B2 (en) * | 2002-06-15 | 2005-01-18 | Intel Corporation | Optical isolator apparatus and methods |
US6763047B2 (en) * | 2002-06-15 | 2004-07-13 | Intel Corporation | External cavity laser apparatus and methods |
JP3854917B2 (ja) * | 2002-09-30 | 2006-12-06 | 富士通株式会社 | 光学的記憶装置及び発光制御用デイテクタの異常検出方法 |
JP2004136626A (ja) * | 2002-10-21 | 2004-05-13 | Pentax Corp | レーザ走査装置 |
US7215688B2 (en) | 2003-01-17 | 2007-05-08 | Avago Technologies Fiber Ip (Singapore) Pte. Ltd. | Disable/enable control for laser driver eye safety |
JP2004254240A (ja) * | 2003-02-21 | 2004-09-09 | Fujitsu Ltd | レーザダイオード管理装置およびレーザダイオード管理方法 |
KR20040103289A (ko) * | 2003-06-02 | 2004-12-08 | 삼성전자주식회사 | 레이저다이오드 보호 회로 |
TWI251826B (en) * | 2003-06-18 | 2006-03-21 | Lite On It Corp | Method of determining the decay of laser diode |
US20050105574A1 (en) * | 2003-11-14 | 2005-05-19 | Wu Xin M. | Laser driver for optical communication network |
JP3949119B2 (ja) * | 2004-03-29 | 2007-07-25 | ローム株式会社 | レーザ素子駆動装置 |
JP4810838B2 (ja) * | 2004-06-15 | 2011-11-09 | 日立電線株式会社 | 光トランシーバ |
JP4449621B2 (ja) * | 2004-07-23 | 2010-04-14 | 住友電気工業株式会社 | 光受信器 |
US7296743B2 (en) * | 2004-07-23 | 2007-11-20 | Symbol Technologies, Inc. | Laser power control arrangements in electro-optical readers |
TWM274702U (en) * | 2005-03-04 | 2005-09-01 | Sheng-He Chen | Voltage-dividing apparatus for prevention of power surge from laser diode |
JP2007042839A (ja) * | 2005-08-03 | 2007-02-15 | Shinko Electric Ind Co Ltd | レーザ光源の駆動回路および駆動方法 |
US20070047605A1 (en) * | 2005-08-26 | 2007-03-01 | Edward Barkan | Laser power control arrangements in electro-optical readers |
US7255275B2 (en) * | 2005-09-12 | 2007-08-14 | Symbol Technologies, Inc. | Laser power control arrangements in electro-optical readers |
JP4906081B2 (ja) * | 2005-10-27 | 2012-03-28 | 株式会社リコー | 光ビーム走査装置 |
JP2007227638A (ja) * | 2006-02-23 | 2007-09-06 | Brother Ind Ltd | 光学制御装置 |
JP4803254B2 (ja) * | 2006-04-25 | 2011-10-26 | 三菱電機株式会社 | レーザ発振器並びに該レーザ発振器の電源装置並びに該レーザ発振器の制御方法 |
DE102006039356A1 (de) * | 2006-08-22 | 2008-03-20 | Robert Bosch Gmbh | Verfahren zum Steuern eines Karosserierohbau-Laserschweißsystems und Karosserierohbau-Laserschweißsystem |
JP2009043784A (ja) * | 2007-08-06 | 2009-02-26 | Sumitomo Electric Ind Ltd | レーザダイオード駆動回路およびレーザダイオード駆動方法 |
JP4912283B2 (ja) * | 2007-11-30 | 2012-04-11 | 株式会社リコー | 半導体装置、その半導体装置を使用した半導体レーザ駆動装置及び画像形成装置 |
JP2009200242A (ja) * | 2008-02-21 | 2009-09-03 | Fujitsu Ltd | 光送信機および制御方法 |
US8274301B2 (en) * | 2009-11-02 | 2012-09-25 | International Business Machines Corporation | On-chip accelerated failure indicator |
JP4898948B1 (ja) * | 2010-09-10 | 2012-03-21 | 株式会社フジクラ | データ伝送装置、データ伝送方法、およびデータ伝送装置制御プログラム |
PL2688505T3 (pl) * | 2011-03-25 | 2016-11-30 | Laser medyczny z elektroniczną przegrodą ruchomą | |
US8511838B2 (en) * | 2011-06-29 | 2013-08-20 | Microvision, Inc. | Scanning laser projector with safety system |
CN106063057B (zh) * | 2014-03-04 | 2019-07-05 | Ipg光子公司 | 大功率光纤激光器安全控制*** |
US9753060B2 (en) | 2015-08-28 | 2017-09-05 | Stmicroelectronics (Research & Development) Limited | Apparatus with device with fault detection protection |
JP6807811B2 (ja) * | 2017-07-19 | 2021-01-06 | 株式会社フジクラ | レーザ装置、レーザ装置の光源の劣化度推定方法 |
JP6987453B2 (ja) * | 2018-01-29 | 2022-01-05 | 住友重機械工業株式会社 | 評価装置、及び評価方法 |
CN108493761A (zh) * | 2018-04-08 | 2018-09-04 | 安徽师范大学 | 一种连续可调稳压激光器驱动装置 |
CN108682383A (zh) * | 2018-06-15 | 2018-10-19 | 东莞阿尔泰显示技术有限公司 | 一种led显示屏的保护电路及其控制方法 |
US10826268B1 (en) * | 2019-06-27 | 2020-11-03 | Stmicroelectronics S.R.L. | Laser driver incorporating clamping circuit with freewheeling diode |
US11387625B2 (en) | 2019-06-27 | 2022-07-12 | Stmicroelectronics S.R.L. | Pulse width check circuit for laser diode pulse generator |
WO2021202069A1 (en) | 2020-03-31 | 2021-10-07 | Ipg Photonics Corporation | High powered laser electronics |
CN114336269B (zh) * | 2020-09-29 | 2024-01-16 | 深圳市帝迈生物技术有限公司 | 一种驱动电路及激光器装置 |
CN112909723B (zh) * | 2021-01-15 | 2023-09-19 | 中国科学院光电技术研究所 | 一种用于空间交会对接的大动态激光发射装置 |
CN113394650B (zh) * | 2021-06-11 | 2023-04-28 | 安徽问天量子科技股份有限公司 | 一种窄脉冲激光器的驱动模块 |
CN117665762A (zh) * | 2022-08-22 | 2024-03-08 | 上海禾赛科技有限公司 | 激光雷达及其发射能量调节方法及调节*** |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH540533A (de) * | 1971-07-08 | 1973-08-15 | Zellweger Uster Ag | Verfahren und Vorrichtung zum Steuern der Lichtquelle einer optischen Lesevorrichtung |
DE3275960D1 (en) * | 1982-01-06 | 1987-05-07 | Hitachi Ltd | Control circuit for controlling light source in optical disc device |
FR2542511B1 (fr) * | 1983-03-09 | 1986-12-19 | Lecoy Pierre | Procede et dispositif de regulation de la puissance lumineuse de diodes laser |
US4751743A (en) * | 1984-05-08 | 1988-06-14 | Sumitomo Electric Industries, Ltd. | Optical character reader |
US4837787A (en) * | 1986-06-04 | 1989-06-06 | Konishiroku Photo Industry Co., Ltd. | Semiconductor laser device with light emission inhibiting means |
JPH0810777B2 (ja) * | 1986-08-08 | 1996-01-31 | オリンパス光学工業株式会社 | レ−ザの寿命判定方法 |
DE3875810D1 (de) * | 1987-06-23 | 1992-12-17 | Siemens Ag | Laserdiodensender mit schutzschaltung. |
JPH01236387A (ja) * | 1988-03-17 | 1989-09-21 | Fujitsu Ltd | バーコード読み取り方式 |
US4924473A (en) * | 1989-03-28 | 1990-05-08 | Raynet Corporation | Laser diode protection circuit |
DE8906994U1 (de) * | 1989-06-07 | 1990-10-04 | Westerwälder Eisenwerk Gerhard GmbH, 5241 Weitefeld | Frachtcontainer |
JPH03113736A (ja) * | 1989-09-22 | 1991-05-15 | Olympus Optical Co Ltd | 半導体レーザの駆動装置 |
-
1991
- 1991-02-04 US US07/650,422 patent/US5163063A/en not_active Expired - Lifetime
- 1991-02-07 EP EP91400295A patent/EP0441709B1/de not_active Expired - Lifetime
- 1991-02-07 DE DE69122140T patent/DE69122140T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69122140T2 (de) | 1997-02-06 |
EP0441709A3 (en) | 1992-01-22 |
EP0441709B1 (de) | 1996-09-18 |
US5163063A (en) | 1992-11-10 |
EP0441709A2 (de) | 1991-08-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |