CA2060943A1 - Mesure de la deviation de frequence d'une onde lumineuse et dispositif de commande pour faisceau laser - Google Patents

Mesure de la deviation de frequence d'une onde lumineuse et dispositif de commande pour faisceau laser

Info

Publication number
CA2060943A1
CA2060943A1 CA2060943A CA2060943A CA2060943A1 CA 2060943 A1 CA2060943 A1 CA 2060943A1 CA 2060943 A CA2060943 A CA 2060943A CA 2060943 A CA2060943 A CA 2060943A CA 2060943 A1 CA2060943 A1 CA 2060943A1
Authority
CA
Canada
Prior art keywords
operating point
stabilized
optical frequency
frequency deviation
control device
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.)
Granted
Application number
CA2060943A
Other languages
English (en)
Other versions
CA2060943C (fr
Inventor
Hideyuki Miyata
Hiroshi Onaka
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
Hideyuki Miyata
Hiroshi Onaka
Fujitsu Limited
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 JP04971291A external-priority patent/JP3207211B2/ja
Priority claimed from JP3049930A external-priority patent/JP2977919B2/ja
Application filed by Hideyuki Miyata, Hiroshi Onaka, Fujitsu Limited filed Critical Hideyuki Miyata
Publication of CA2060943A1 publication Critical patent/CA2060943A1/fr
Application granted granted Critical
Publication of CA2060943C publication Critical patent/CA2060943C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01S5/068—Stabilisation of laser output parameters
    • H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
    • H01S5/0687—Stabilising the frequency of the laser
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
    • G01J9/02—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by interferometric methods
    • 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
    • H01S5/0014—Measuring characteristics or properties thereof
    • 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
    • H01S5/0622—Controlling the frequency of the radiation
CA002060943A 1990-09-20 1991-09-20 Mesure de la deviation de frequence d'une onde lumineuse et dispositif de commande pour faisceau laser Expired - Fee Related CA2060943C (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP02-248955 1990-09-20
JP24895590 1990-09-20
JP03-049930 1991-03-14
JP04971291A JP3207211B2 (ja) 1991-03-14 1991-03-14 半導体レーザの光周波数偏移量の測定，制御装置
JP3049930A JP2977919B2 (ja) 1991-03-14 1991-03-14 半導体レーザの光周波数偏移量の測定，制御装置
JP03-049712 1991-03-14

Publications (2)

Publication Number Publication Date
CA2060943A1 true CA2060943A1 (fr) 1992-03-21
CA2060943C CA2060943C (fr) 1996-01-09

Family

ID=27293712

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002060943A Expired - Fee Related CA2060943C (fr) 1990-09-20 1991-09-20 Mesure de la deviation de frequence d'une onde lumineuse et dispositif de commande pour faisceau laser

Country Status (4)

Country Link
US (1) US5200967A (fr)
EP (1) EP0481242B1 (fr)
CA (1) CA2060943C (fr)
DE (1) DE69120369T2 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2264834A (en) * 1992-02-25 1993-09-08 Northern Telecom Ltd Optical transmission system
US5617234A (en) * 1994-09-26 1997-04-01 Nippon Telegraph & Telephone Corporation Multiwavelength simultaneous monitoring circuit employing arrayed-waveguide grating
US5706301A (en) * 1995-08-16 1998-01-06 Telefonaktiebolaget L M Ericsson Laser wavelength control system
US5825792A (en) * 1996-07-11 1998-10-20 Northern Telecom Limited Wavelength monitoring and control assembly for WDM optical transmission systems
JP2000241778A (ja) 1999-02-19 2000-09-08 Fujitsu Ltd 光通信装置および光分岐・挿入装置
US6215801B1 (en) * 1999-03-05 2001-04-10 Lucent Technologies, Inc. Wavelength stabilized laser
DE19954036A1 (de) * 1999-10-29 2001-05-10 Siemens Ag Verfahren und Anordnung zur Wellenlängenstabilisierung von Licht
US6970652B2 (en) 2001-12-07 2005-11-29 Oplink Communications, Inc. Auto-setting and optimization of EAM with optical line systems
US7054343B1 (en) * 2002-11-26 2006-05-30 National Semiconductor Corporation Method of compensating for temperature changes and channel variations in a laser diode array to produce a substantially constant average optical power over temperature
EP1742092A1 (fr) * 2005-07-04 2007-01-10 Alcatel Méthode à mesurer le désaccord d'un signal optique, dispositif de mesure, transmetteur optique et module optique
DE102007017591B4 (de) * 2007-04-13 2018-11-08 Jenoptik Laser Gmbh Laser und Verfahren zur Erzeugung gepulster Laserstrahlung
US8002054B2 (en) 2009-01-26 2011-08-23 Kennametl Inc. Roof drill bit, roof drill bit body and hard cutting insert for roof drill bit

Family Cites Families (6)

* 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
US4237427A (en) * 1978-06-16 1980-12-02 International Telephone And Telegraph Corporation Apparatus for stabilizing a laser
US4243952A (en) * 1978-10-30 1981-01-06 Rca Corporation Temperature compensated bias circuit for semiconductor lasers
JPS59140B2 (ja) * 1979-01-13 1984-01-05 日本電信電話株式会社 半導体レ−ザ装置
JPH01164135A (ja) * 1987-12-19 1989-06-28 Fujitsu Ltd 光周波数分割多重伝送方式における半導体レーザの発振周波数安定化方法
IT1219165B (it) * 1988-03-31 1990-05-03 Cselt Centro Studi Lab Telecom Procedimento e dispositivo per il controllo automatico di frequenza di laser a semiconduttore

Also Published As

Publication number Publication date
EP0481242B1 (fr) 1996-06-19
EP0481242A2 (fr) 1992-04-22
US5200967A (en) 1993-04-06
EP0481242A3 (fr) 1992-05-06
CA2060943C (fr) 1996-01-09
DE69120369T2 (de) 1997-01-09
DE69120369D1 (de) 1996-07-25

Similar Documents

Publication Publication Date Title
CA2060943A1 (fr) Mesure de la deviation de frequence d'une onde lumineuse et dispositif de commande pour faisceau laser
CA2102424A1 (fr) Methode et dispositif de detection de gouttes
CA2119143A1 (fr) Stabilisateur de longueur d'onde
EP0157644A3 (fr) Détecteur de flamme
JPS5466190A (en) Two luminous flux spectrophotometer
IT1223866B (it) Circuito per il trattamento del segnale generato da un sensore elettromagnetico di rotazione a riluttanza variabile
EP0874490A3 (fr) Dispositif de transmission optique
CA2012392A1 (fr) Emetteur de puissance a signaux d'emission variables
JPS5783079A (en) Driving method of semiconductor laser
JPS6213612B2 (fr)
JPS558006A (en) Semi-conductor laser output stabilizing method and device therefore
CA2102270A1 (fr) Source lumineuse a longueur d'onde variable
EP0356085A3 (fr) Réglage automatique du gain pour émetteur-récepteur à fibre optique électrique
MY106641A (en) Method for positioning a light beam on a picture surface.
JPS6448481A (en) Semiconductor laser modulation control system
JPS575187A (en) Recorder
JPS5612791A (en) Laser driving control system
JPS5583280A (en) Output stabilizing system for semiconductor laser
JPS53105992A (en) Stabilizing circuit for lumious element output
JPH06177737A (ja) 光電スイッチ
JPS54134659A (en) Reflection type light beam system detector
JPS5660084A (en) Laser driving system
JPS56104583A (en) Picture signal modulating device of semiconductor laser
JPS55161220A (en) Automatic aperture control unit in phase synchronizing system
CA2009302A1 (fr) Systeme de modulation de la couleur et de l'intensite de la lumiere

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed