DE3854202D1 - Apparat zum Betrieb einer Halbleiterlaservorrichtung. - Google Patents

Apparat zum Betrieb einer Halbleiterlaservorrichtung.

Info

Publication number
DE3854202D1
DE3854202D1 DE3854202T DE3854202T DE3854202D1 DE 3854202 D1 DE3854202 D1 DE 3854202D1 DE 3854202 T DE3854202 T DE 3854202T DE 3854202 T DE3854202 T DE 3854202T DE 3854202 D1 DE3854202 D1 DE 3854202D1
Authority
DE
Germany
Prior art keywords
operating
semiconductor laser
laser device
semiconductor
laser
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 - Lifetime
Application number
DE3854202T
Other languages
English (en)
Other versions
DE3854202T2 (de
Inventor
Kazuomi Hatanaka
Takashi Ohno
Kenji Ogou
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 JP62090172A external-priority patent/JPS63254781A/ja
Priority claimed from JP62090169A external-priority patent/JPS63254779A/ja
Priority claimed from JP62090168A external-priority patent/JPS63254778A/ja
Priority claimed from JP62090170A external-priority patent/JPS63254780A/ja
Priority claimed from JP63055747A external-priority patent/JPH067614B2/ja
Application filed by Sharp Corp filed Critical Sharp Corp
Application granted granted Critical
Publication of DE3854202D1 publication Critical patent/DE3854202D1/de
Publication of DE3854202T2 publication Critical patent/DE3854202T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
    • H01S5/06209—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in single-section lasers
    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/14—Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
    • 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
    • H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
    • H01S5/042—Electrical excitation ; Circuits therefor
    • 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
    • H01S5/0617—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium using memorised or pre-programmed laser characteristics
DE3854202T 1987-04-13 1988-04-13 Apparat zum Betrieb einer Halbleiterlaservorrichtung. Expired - Lifetime DE3854202T2 (de)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP62090172A JPS63254781A (ja) 1987-04-13 1987-04-13 半導体レ−ザ駆動方式
JP62090169A JPS63254779A (ja) 1987-04-13 1987-04-13 半導体レ−ザ駆動方式
JP9017187 1987-04-13
JP62090168A JPS63254778A (ja) 1987-04-13 1987-04-13 半導体レ−ザ駆動方式
JP62090170A JPS63254780A (ja) 1987-04-13 1987-04-13 半導体レ−ザ駆動方式
JP2588688 1988-02-05
JP63055747A JPH067614B2 (ja) 1987-04-13 1988-03-09 半導体レーザ駆動方式

Publications (2)

Publication Number Publication Date
DE3854202D1 true DE3854202D1 (de) 1995-08-24
DE3854202T2 DE3854202T2 (de) 1996-01-25

Family

ID=27564080

Family Applications (3)

Application Number Title Priority Date Filing Date
DE3854202T Expired - Lifetime DE3854202T2 (de) 1987-04-13 1988-04-13 Apparat zum Betrieb einer Halbleiterlaservorrichtung.
DE3854094T Expired - Lifetime DE3854094T2 (de) 1987-04-13 1988-04-13 Apparat zum Betreiben einer Halbleiterlaservorrichtung.
DE8888303348T Expired - Lifetime DE3879250T2 (de) 1987-04-13 1988-04-13 Ansteuerungsvorrichtung fuer einen halbleiterlaser.

Family Applications After (2)

Application Number Title Priority Date Filing Date
DE3854094T Expired - Lifetime DE3854094T2 (de) 1987-04-13 1988-04-13 Apparat zum Betreiben einer Halbleiterlaservorrichtung.
DE8888303348T Expired - Lifetime DE3879250T2 (de) 1987-04-13 1988-04-13 Ansteuerungsvorrichtung fuer einen halbleiterlaser.

Country Status (3)

Country Link
US (1) US4912714A (de)
EP (3) EP0497431B1 (de)
DE (3) DE3854202T2 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03202808A (ja) * 1989-12-28 1991-09-04 Toshiba Corp レーザ発振器の光量制御装置
US5111065A (en) * 1990-03-23 1992-05-05 Massachusetts Institute Of Technology Diode driver circuit utilizing discrete-value DC current source
US5068863A (en) * 1990-04-17 1991-11-26 Wavelengths Lasers, Inc. Compensating circuit for high power lasers
JP2645177B2 (ja) * 1990-10-17 1997-08-25 株式会社テック レーザパワー制御装置
US5222072A (en) * 1990-10-17 1993-06-22 Tokyo Electric Co., Ltd. Laser power control apparatus
JP2546080B2 (ja) * 1991-05-10 1996-10-23 富士通株式会社 半導体レーザー制御装置
JPH0590691A (ja) * 1991-09-26 1993-04-09 Sharp Corp レーザ光出力制御装置
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
DE69327370T2 (de) * 1992-07-29 2000-06-29 Canon Kk Bilderzeugungsgerät und Vorrichtung für die Steuerung der Lichtmenge zur Verwendung in diesem Gerät
FR2694423B1 (fr) * 1992-07-30 1994-12-23 France Telecom Dispositif de contrôle de la puissance de sortie des diodes laser.
JPH07141677A (ja) * 1993-11-18 1995-06-02 Olympus Optical Co Ltd 半導体レーザの駆動装置
US5444728A (en) * 1993-12-23 1995-08-22 Polaroid Corporation Laser driver circuit
GB2291511A (en) * 1994-07-18 1996-01-24 Martin Lawrence A method of stabilising the output intensity and or output frequency of an optical light source using an electronic counting technique
DE19504712C2 (de) * 1995-02-14 1998-02-05 Linotype Hell Ag Werk Kiel Verfahren zur Regelung der Lichtleistung einer Laserdiode
US5978124A (en) * 1995-04-28 1999-11-02 Mitsubishi Denki Kabushiki Kaisha Light emitting control apparatus and optical transmitter
DE19818621A1 (de) * 1998-04-25 1999-10-28 Mannesmann Vdo Ag Schaltungsanordnung zur Einstellung der Helligkeit stromgesteuerter Leuchtdioden zur Beleuchtung einer Anzeige
JP3732033B2 (ja) 1999-02-19 2006-01-05 富士通株式会社 光出力制御回路
US6194941B1 (en) * 1999-04-13 2001-02-27 Delphi Technologies, Inc. DC offset compensation circuit for a signal amplifier
JP2001053377A (ja) * 1999-08-06 2001-02-23 Asahi Optical Co Ltd 半導体レーザ駆動装置
EP1224843A1 (de) * 1999-09-29 2002-07-24 Color Kinetics Incorporated Vorrichtung und verfahren zur kalibrierung der lichtstärke von leuchtdioden
EP1136992A3 (de) * 2000-03-24 2006-09-06 Samsung Electronics Co., Ltd. Vorrichtung und Verfahren zur automatischen Steuerung der Laserdiodenleistung
US7023543B2 (en) * 2002-08-01 2006-04-04 Cunningham David W Method for controlling the luminous flux spectrum of a lighting fixture
DE10240807A1 (de) 2002-08-30 2004-03-11 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Verfahren zum Betreiben von Leuchtstofflampen und Vorschaltgerät
US7061951B2 (en) 2002-12-20 2006-06-13 Elantec Semiconductor, Inc. Systems and methods for automatic power control of laser diodes
CN1321487C (zh) * 2003-12-26 2007-06-13 亚洲光学股份有限公司 高功率驱动系统
US9060406B2 (en) 2009-04-14 2015-06-16 Tridonic Gmbh And Co Kg Power regulation of LED by means of an average value of the LED current and bidirectional counter
DE102009017139A1 (de) * 2009-04-14 2010-10-21 Tridonicatco Gmbh & Co. Kg Leistungsregelung von LED
TWI461875B (zh) * 2012-07-06 2014-11-21 Univ Nat Chi Nan Optical power control system and its optical power control device
EP3309581A1 (de) * 2016-10-12 2018-04-18 STMicroelectronics (Research & Development) Limited Vorrichtung zur steuerung des treiberstroms für eine beleuchtungsquelle

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1160592B (it) * 1978-08-16 1987-03-11 Cselt Centro Studi Lab Telecom Procedimento e sistema di controllo dell'efficienza di un dispositivo elettronico
US4592057A (en) * 1981-03-23 1986-05-27 International Business Machines Corporation Versatile digital controller for light emitting semiconductor devices
JPS57162481A (en) * 1981-03-23 1982-10-06 Ibm Control circuit for light emtting semiconductor device
US4516242A (en) * 1981-06-18 1985-05-07 Tokyo Shibaura Denki Kabushiki Kaisha Output stabilizing device
JPS58212256A (ja) * 1982-06-03 1983-12-09 Hitachi Ltd レ−ザ光源装置
US4621376A (en) * 1983-04-28 1986-11-04 Kabushiki Kaisha Toshiba Driving apparatus for stabilizing burst light output
US4618958A (en) * 1984-02-10 1986-10-21 Ricoh Co., Ltd. Device for controlling the radiating output of a semiconductor laser
JPS6190539A (ja) * 1984-10-09 1986-05-08 Olympus Optical Co Ltd 光出力安定化装置
CA1210070A (en) * 1984-10-26 1986-08-19 Northern Telecom Limited Laser transmitter
US4685097A (en) * 1985-07-25 1987-08-04 Laser Magnetic Storage International Company Power control system for a semiconductor laser

Also Published As

Publication number Publication date
EP0287360B1 (de) 1993-03-17
EP0287360A2 (de) 1988-10-19
DE3854202T2 (de) 1996-01-25
DE3879250D1 (de) 1993-04-22
EP0497432A1 (de) 1992-08-05
US4912714A (en) 1990-03-27
EP0497431B1 (de) 1995-06-28
DE3854094D1 (de) 1995-08-03
EP0497432B1 (de) 1995-07-19
EP0287360A3 (en) 1989-05-10
EP0497431A1 (de) 1992-08-05
DE3879250T2 (de) 1993-06-24
DE3854094T2 (de) 1996-01-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

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