BE885760A - Circuit de regulation pour le courant d'excitation d'un laser - Google Patents

Circuit de regulation pour le courant d'excitation d'un laser

Info

Publication number
BE885760A
BE885760A BE0/202502A BE202502A BE885760A BE 885760 A BE885760 A BE 885760A BE 0/202502 A BE0/202502 A BE 0/202502A BE 202502 A BE202502 A BE 202502A BE 885760 A BE885760 A BE 885760A
Authority
BE
Belgium
Prior art keywords
excitation current
regulation circuit
laser excitation
laser
regulation
Prior art date
Application number
BE0/202502A
Other languages
English (en)
Original Assignee
Philips Nv
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
Application filed by Philips Nv filed Critical Philips Nv
Publication of BE885760A publication Critical patent/BE885760A/fr

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/06Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/068Stabilisation of laser output parameters
    • H01S5/0683Stabilisation of laser output parameters by monitoring the optical output parameters
    • H01S5/06832Stabilising during amplitude modulation

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
  • Semiconductor Lasers (AREA)
  • Lasers (AREA)
BE0/202502A 1979-10-18 1980-10-16 Circuit de regulation pour le courant d'excitation d'un laser BE885760A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7907683A NL7907683A (nl) 1979-10-18 1979-10-18 Regelketen voor de bekrachtigingsstroom van een laser.

Publications (1)

Publication Number Publication Date
BE885760A true BE885760A (fr) 1981-04-16

Family

ID=19834035

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/202502A BE885760A (fr) 1979-10-18 1980-10-16 Circuit de regulation pour le courant d'excitation d'un laser

Country Status (11)

Country Link
US (1) US4347610A (fr)
JP (3) JPS5666083A (fr)
AU (1) AU534437B2 (fr)
BE (1) BE885760A (fr)
CA (1) CA1149021A (fr)
DE (1) DE3038607A1 (fr)
FR (1) FR2468232A1 (fr)
GB (1) GB2061607B (fr)
IT (1) IT1133916B (fr)
NL (1) NL7907683A (fr)
SE (1) SE448506B (fr)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2847182C3 (de) * 1978-10-30 1986-07-10 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren zur Modulationsstromregelung von Laserdioden
NL8005153A (nl) * 1980-09-15 1982-04-01 Philips Nv Inrichting voor het moduleren van het uitgangssignaal van een omzetter, bijvoorbeeld een electro-optische omzetter.
JPS5840878A (ja) * 1981-09-04 1983-03-09 Hitachi Ltd ディジタル光ディスク用半導体レーザの駆動装置
DE3242481C2 (de) * 1982-11-18 1994-06-09 Ant Nachrichtentech Verfahren zum Regeln des optischen Ausgangssignals eines Halbleiterlasers
JPS59146457A (ja) * 1983-02-10 1984-08-22 Olympus Optical Co Ltd 光出力自動制御装置
JPS59182637A (ja) * 1983-03-31 1984-10-17 Matsushita Electric Ind Co Ltd ビデオ信号光伝送装置
DE3312044A1 (de) * 1983-04-02 1984-10-04 ANT Nachrichtentechnik GmbH, 7150 Backnang Verfahren zum regeln des ausgangssignals eines halbleiterlasers
JPH0659042B2 (ja) * 1984-02-06 1994-08-03 株式会社日立製作所 ベ−スバンドim光画像送信装置
US4625315A (en) * 1984-08-27 1986-11-25 Minnesota Mining And Manufacturing Company Apparatus and circuitry for stabilizing laser diode output for analog modulation
DE3508034A1 (de) * 1985-03-07 1986-09-11 Ant Nachrichtentech Schaltungsanordnung zur ansteuerung eines halbleiterlasers
US4985896A (en) * 1985-03-29 1991-01-15 Canon Kabushiki Kaisha Laser driving device
US4771431A (en) * 1985-08-30 1988-09-13 Konishiroku Photo Industry Co., Ltd. Semiconductor laser drive
EP0218449B1 (fr) * 1985-09-30 1992-03-04 Kabushiki Kaisha Toshiba Dispositif de stabilisation de la puissance optique de sortie d'un laser à semi-conducteur
DE3608930A1 (de) * 1986-03-18 1987-09-24 Standard Elektrik Lorenz Ag Verfahren zur regelung der optischen leistung eines lasers und schaltung zur ausuebung des verfahrens
US4890288A (en) * 1986-08-27 1989-12-26 Canon Kabushiki Kaisha Light quantity control device
DE3706572A1 (de) * 1987-02-28 1988-09-08 Philips Patentverwaltung Regelung von laserdioden
US4815086A (en) * 1987-03-16 1989-03-21 Chemtronics Laser pulse modulator
US4774710A (en) * 1988-01-07 1988-09-27 Eastman Kodak Company Apparatus and method for controlling a laser diode to generate a linear illuminative output
US4995045A (en) * 1990-02-01 1991-02-19 Northern Telecom Limited Laser control circuit
DE4127421A1 (de) * 1990-08-17 1993-01-07 Roman Koller Sicherheitsschaltung und verfahren fuer laser
JPH04206583A (ja) * 1990-11-30 1992-07-28 Fujitsu Ltd 波長可変レーザの駆動装置
US5216682A (en) * 1992-02-13 1993-06-01 Telefonaktiebolaget Lm Ericsson Laser control method and apparatus
US5444728A (en) * 1993-12-23 1995-08-22 Polaroid Corporation Laser driver circuit
JPH07240555A (ja) * 1994-02-25 1995-09-12 Fujitsu Ltd 自動バイアス電流制御型apc回路を有する光送信器
US5394416A (en) * 1994-05-11 1995-02-28 Alcatel Network Systems, Inc. Laser modulation controller using additive and amplitude modulation control tones
US5579328A (en) * 1995-08-10 1996-11-26 Northern Telecom Limited Digital control of laser diode power levels
US5953690A (en) * 1996-07-01 1999-09-14 Pacific Fiberoptics, Inc. Intelligent fiberoptic receivers and method of operating and manufacturing the same
US6917639B2 (en) * 2001-08-09 2005-07-12 Ricoh Company, Ltd. Laser driver circuit
US6587490B2 (en) * 2001-10-02 2003-07-01 Analog Modules, Inc Low-noise current source driver for laser diodes
US7372883B2 (en) * 2005-02-28 2008-05-13 Infocus Corporation Light emitting device driver circuit
US8036539B2 (en) * 2005-06-28 2011-10-11 Finisar Corporation Gigabit ethernet longwave optical transceiver module having amplified bias current
DE102010052368A1 (de) * 2010-09-06 2012-03-08 Mtu Aero Engines Gmbh Verfahren zum Steuern und/oder Regeln einer Laservorrichtung und eine Laservorrichtung
WO2015001656A1 (fr) 2013-07-04 2015-01-08 富士通株式会社 Dispositif de traitement de signal optique, procédé de traitement de signal optique, et programme de traitement de signal optique

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3898583A (en) * 1972-03-29 1975-08-05 Xerox Corp Laser stabilization technique
GB1539624A (en) * 1976-02-11 1979-01-31 Standard Telephones Cables Ltd Laser control system
US4009385A (en) * 1976-03-22 1977-02-22 Bell Telephone Laboratories, Incorporated Laser control circuit
GB1559511A (en) * 1976-09-14 1980-01-23 Post Office Injection lasers
JPS53108397A (en) * 1977-03-04 1978-09-21 Hitachi Ltd Modulation circuit for semiconductor laser
GB1563944A (en) * 1977-03-29 1980-04-02 Post Office Imjection lasers
US4237427A (en) * 1978-06-16 1980-12-02 International Telephone And Telegraph Corporation Apparatus for stabilizing a laser
GB2025121B (en) * 1978-07-06 1982-05-19 Post Office Stabilisation of injection lasers

Also Published As

Publication number Publication date
JPH0157513B2 (fr) 1989-12-06
GB2061607A (en) 1981-05-13
FR2468232B1 (fr) 1984-02-17
IT1133916B (it) 1986-07-24
SE8007200L (sv) 1981-04-19
AU534437B2 (en) 1984-01-26
IT8025362A0 (it) 1980-10-15
FR2468232A1 (fr) 1981-04-30
DE3038607A1 (de) 1981-04-30
JPS6163071A (ja) 1986-04-01
JPS5666083A (en) 1981-06-04
AU6341380A (en) 1981-04-30
GB2061607B (en) 1983-06-02
CA1149021A (fr) 1983-06-28
SE448506B (sv) 1987-02-23
JPS6163070A (ja) 1986-04-01
JPH0118589B2 (fr) 1989-04-06
US4347610A (en) 1982-08-31
NL7907683A (nl) 1981-04-22

Similar Documents

Publication Publication Date Title
BE885760A (fr) Circuit de regulation pour le courant d'excitation d'un laser
FR2502860B1 (fr) Generateur de courant alternatif pour voiture
FR2590661B1 (fr) Charge creuse pour perforation lineaire
FI834343A0 (fi) Dataupptagningssystem foer videovisning i stort format
BE863367A (fr) Circuit pour ajuster l'intensite de courant de tube d'un generateur de rontgen
JPS5599786A (en) Electric excitation laser
IT1167809B (it) Captatore elettrico di prossimita'
FR2518842B1 (fr) Dispositif de raccordement pour le bobinage d'une machine electrique
FR2450014B1 (fr) Circuit d'asservissement pour magnetoscope
FR2466140B1 (fr) Circuits integres incorporant des circuits logiques a mode de courant
FR2486265B1 (fr) Circuit generateur de courant constant
BR8301890A (pt) Conjunto de bobina
FR2524277B1 (fr) Rape pour callosites
ES263107Y (es) "aparato de iluminacion electrica".
FR2519800B1 (fr) Circuit d'interruption pour courant alternatif
AT380988B (de) Fokussierstromregelstufe
FR2452191B1 (fr) Circuit stabilisateur de decharge pour laser
ES267457Y (es) "un dispositivo electrico de conmutacion".
FR2565740B3 (fr) Chassis tubulaire pour groupe generateur de courant
FR2414793B1 (fr) Diode, notamment pour generatrice de courant alternatif
IT8323454A0 (it) Assistenza all'avviamento elettrica.
FR2456428B1 (fr) Circuit de commande pour inverseur
FR2455554B1 (fr) Boitier pour bobine
FR2524993B1 (fr) Circuit pilote de courant pour un regulateur electro-mecanique
SU603514A1 (ru) Установка дл индукционной пайки

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: N.V. PHILIPS' GLOEILAMPENFABRIEKEN

Effective date: 19921031