DE69831298D1 - Diodenlaserschutzschaltung - Google Patents

Diodenlaserschutzschaltung

Info

Publication number: DE69831298D1
Authority: DE; Germany
Prior art keywords: protection circuit; diode protection; diode; circuit; protection
Prior art date: 1997-10-16
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

Application number

DE69831298T

Other languages

English (en)

Inventor

Mitsuharu Noda

Motoyoshi Sekiya

Setsuo Misaizu

Tetsuya Kiyonaga

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.)

Fujitsu Ltd

Original Assignee

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.)

1997-10-16

Filing date

1998-04-03

Publication date

2005-09-29

1998-04-03 Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd

2005-09-29 Application granted granted Critical

2005-09-29 Publication of DE69831298D1 publication Critical patent/DE69831298D1/de

2018-04-04 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- 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
- 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
- H01S5/06804—Stabilisation of laser output parameters by monitoring an external parameter, e.g. temperature
- 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

Landscapes

Physics & Mathematics (AREA)
Condensed Matter Physics & Semiconductors (AREA)
General Physics & Mathematics (AREA)
Electromagnetism (AREA)
Optics & Photonics (AREA)
Semiconductor Lasers (AREA)

DE69831298T 1997-10-16 1998-04-03 Diodenlaserschutzschaltung Expired - Lifetime DE69831298D1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP28363397A JP3389480B2 (ja)	1997-10-16	1997-10-16	Ｌｄ保護回路

Publications (1)

Publication Number	Publication Date
DE69831298D1 true DE69831298D1 (de)	2005-09-29

Family

ID=17668052

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69831298T Expired - Lifetime DE69831298D1 (de)	1997-10-16	1998-04-03	Diodenlaserschutzschaltung

Country Status (4)

Country	Link
US (1)	US6097746A (de)
EP (1)	EP0910143B1 (de)
JP (1)	JP3389480B2 (de)
DE (1)	DE69831298D1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6229833B1 (en) *	1997-10-16	2001-05-08	Fujitsu Limited	Laser diode protecting circuit and laser driving current control circuit
JP3593646B2 (ja) *	1999-03-19	2004-11-24	富士通株式会社	バースト光送信回路
WO2001003350A1 (fr) *	1999-07-01	2001-01-11	Fujitsu Limited	Emetteur optique en mrl
US7212477B2 (en) *	1999-07-23	2007-05-01	Ricoh Company, Ltd.	Optical recording/reproducing apparatus with APC and SPS processes
DE20007884U1 (de) *	2000-05-02	2001-09-06	iC-Haus GmbH, 55294 Bodenheim	Monolithisch integrierter Schaltkreis zum Regeln der Lichtleistung einer Laserdiode
US7079775B2 (en)	2001-02-05	2006-07-18	Finisar Corporation	Integrated memory mapped controller circuit for fiber optics transceiver
JP3795762B2 (ja) *	2001-03-16	2006-07-12	エヌティティエレクトロニクス株式会社	光出力制御回路
US6587490B2 (en) *	2001-10-02	2003-07-01	Analog Modules, Inc	Low-noise current source driver for laser diodes
CN1311448C (zh) *	2002-02-25	2007-04-18	皇家飞利浦电子股份有限公司	操作半导体激光器的盘驱动器的方法以及盘驱动器
US6834065B2 (en) *	2002-05-21	2004-12-21	Carrier Access Corporation	Methods and apparatuses for direct digital drive of a laser in a passive optical network
KR100498452B1 (ko) *	2002-10-29	2005-07-01	삼성전자주식회사	레이저 다이오드 구동 회로
CN101218720A (zh) *	2005-07-11	2008-07-09	松下电器产业株式会社	光源、光源装置、激光图像形成装置及集成电路
US7796659B2 (en) *	2005-07-19	2010-09-14	Mediatek Inc.	Pickup head circuits
JP4772469B2 (ja) *	2005-11-18	2011-09-14	ローム株式会社	半導体レーザの駆動回路および発光装置ならびにディスク装置
US8159956B2 (en)	2008-07-01	2012-04-17	Finisar Corporation	Diagnostics for serial communication busses
JP5050076B2 (ja) *	2010-04-13	2012-10-17	株式会社日立製作所	光通信モジュールおよび光通信装置
ES2364007B1 (es) *	2011-01-31	2012-05-07	Universidad De M�?Laga	Aparato transmisor l�?ser termorregulado con control embebido.
DE102012022053B4 (de)	2012-10-02	2023-04-13	Balluff Gmbh	Schaltungsanordnung zum Betreiben einer Laserdiode
JP6519188B2 (ja) *	2015-01-15	2019-05-29	セイコーエプソン株式会社	光源装置およびプロジェクター
JPWO2016181489A1 (ja) *	2015-05-12	2017-10-19	株式会社島津製作所	レーザ装置
CN108777432A (zh) *	2018-05-29	2018-11-09	国科世纪激光技术（天津）有限公司	一种具有可调节限流功能激光器电源系统的激光器

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3331132C1 (de) *	1983-08-30	1985-02-07	Hewlett-Packard GmbH, 7030 Böblingen	Schutzschaltung fuer einen Halbleiterlaser
JPS6163074A (ja) *	1984-09-05	1986-04-01	Matsushita Electric Ind Co Ltd	半導体レ−ザダイオ−ドの駆動回路
US4819241A (en) *	1985-08-16	1989-04-04	Kabushiki Kaisha Toshiba	Laser diode driving circuit
US4789987A (en) *	1987-07-01	1988-12-06	Rockwell International Corporation	Automatic modulation control apparatus
US5379145A (en) *	1989-12-01	1995-01-03	Scientific-Atlanta, Inc.	Laser transmitter for light wave (fiber optic) communication espectially of AM modulated CATV signals having means . . . against damage
JPH0414884A (ja) *	1990-05-08	1992-01-20	Mitsubishi Electric Corp	半導体レーザダイオード制御装置
US5019769A (en) *	1990-09-14	1991-05-28	Finisar Corporation	Semiconductor laser diode controller and laser diode biasing control method
US5276697A (en) *	1992-11-04	1994-01-04	Eastman Kodak Company	Laser diode automatic power control circuit with means of protection of the laser diode
JP3320900B2 (ja) *	1994-05-19	2002-09-03	富士通株式会社	レーザダイオードの自動温度制御回路及びこれを用いた電気／光信号変換ユニット
US5802089A (en) *	1996-10-22	1998-09-01	Maxim Integrated Products, Inc.	Laser diode driver having automatic power control with smooth enable function

1997
- 1997-10-16 JP JP28363397A patent/JP3389480B2/ja not_active Expired - Fee Related
1998
- 1998-03-13 US US09/041,752 patent/US6097746A/en not_active Expired - Lifetime
- 1998-04-03 DE DE69831298T patent/DE69831298D1/de not_active Expired - Lifetime
- 1998-04-03 EP EP98106184A patent/EP0910143B1/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
JP3389480B2 (ja)	2003-03-24
US6097746A (en)	2000-08-01
EP0910143A2 (de)	1999-04-21
EP0910143A3 (de)	2004-03-24
JPH11121853A (ja)	1999-04-30
EP0910143B1 (de)	2005-08-24

Publication	Publication Date	Title
DE69816023D1 (de)	2003-08-07	Schaltungsanordnung
DE69831298D1 (de)	2005-09-29	Diodenlaserschutzschaltung
DE60003575D1 (de)	2003-07-31	Schaltschutz
DE19882444T1 (de)	2000-06-15	Schaltungsschutzvorrichtungen
DE69814515D1 (de)	2003-06-18	Handgelenkschutz
DE69819625D1 (de)	2003-12-18	Überstromdetektorschaltung
DE69839322D1 (de)	2008-05-15	Schnittstellenschaltung
DE69816950D1 (de)	2003-09-11	Schaltungsanordnung
FI972456L (fi)	1998-12-11	Transienttisuoja
DE69828146D1 (de)	2005-01-20	Schaltungsanordnung
DE69801791D1 (de)	2001-10-31	Elektrostatische Schutzschaltung
FI972455L (fi)	1998-12-11	Puolijohdekytkimen oikosulkusuoja
DE69913681T2 (de)	2004-10-21	Schutzanordnung
DE59804347D1 (de)	2002-07-11	Übertemperatur-schutzschaltung
DE69737378D1 (de)	2007-04-05	Schutzschaltung
DE69837071D1 (de)	2007-03-29	ESD-Schutzbauteil
DE69831460D1 (de)	2005-10-13	Schaltungsentwurfprüfung
DK1020031T3 (da)	2004-01-26	Integreret kredsløb
DE69822710D1 (de)	2004-05-06	Kühlkörperbefestigung
DE69839704D1 (de)	2008-08-21	Schutzschaltkreis
EP1026754A4 (de)	2000-08-09	Diode
ID21370A (id)	1999-06-03	Pemutus rangkaian
DE69706436D1 (de)	2001-10-04	Schutzschaltung
DE59814348D1 (de)	2009-04-09	Halbleiterdiode
DE59905319D1 (de)	2003-06-05	Schutzschaltungsanordnung

Legal Events

Date	Code	Title	Description
2006-07-27	8332	No legal effect for de