DE69122140D1 - Treiberschaltung für Halbleiterlaser - Google Patents

Treiberschaltung für Halbleiterlaser

Info

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
Application number
DE69122140T
Other languages
English (en)
Other versions
DE69122140T2 (de
Inventor
Yukio Yoshikawa
Takeshi Ishii
Yoshihiro Oyama
Tatsuo Sasaki
Tamotsu Takahashi
Shinichi Sato
Kazumasa Moriya
Ichiro Shinoda
Motohiko Itoh
Tomoyuki Kashiwazaki
Hiroaki Kawai
Mitsuo Watanabe
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.)
Nidec Copal Corp
Fujitsu Ltd
Original Assignee
Nidec Copal Corp
Fujitsu 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
Priority claimed from JP2029099A external-priority patent/JP2965597B2/ja
Priority claimed from JP2029098A external-priority patent/JP2965596B2/ja
Priority claimed from JP2029102A external-priority patent/JP2895144B2/ja
Priority claimed from JP2029100A external-priority patent/JPH03232285A/ja
Priority claimed from JP2029101A external-priority patent/JP2895143B2/ja
Priority claimed from JP2029103A external-priority patent/JP2965598B2/ja
Priority claimed from JP11366090A external-priority patent/JP2941353B2/ja
Application filed by Nidec Copal Corp, Fujitsu Ltd filed Critical Nidec Copal Corp
Application granted granted Critical
Publication of DE69122140D1 publication Critical patent/DE69122140D1/de
Publication of DE69122140T2 publication Critical patent/DE69122140T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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)
DE69122140T 1990-02-07 1991-02-07 Treiberschaltung für Halbleiterlaser Expired - Fee Related DE69122140T2 (de)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
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
JP2029100A JPH03232285A (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
JP2029103A JP2965598B2 (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
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)

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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
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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
US7296743B2 (en) * 2004-07-23 2007-11-20 Symbol Technologies, Inc. Laser power control arrangements in electro-optical readers
JP4449621B2 (ja) * 2004-07-23 2010-04-14 住友電気工業株式会社 光受信器
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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
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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
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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
EP2688505B1 (de) * 2011-03-25 2016-05-18 EOS Holdings, LLC Medizinischer laser mit elektronischem verschluss
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EP3114737B1 (de) * 2014-03-04 2024-04-17 IPG Photonics Corporation Sicherheitssteuerungssystem für hochleistungsfaserlaser
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
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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系统

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Also Published As

Publication number Publication date
DE69122140T2 (de) 1997-02-06
EP0441709B1 (de) 1996-09-18
EP0441709A2 (de) 1991-08-14
US5163063A (en) 1992-11-10
EP0441709A3 (en) 1992-01-22

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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