DE3683349D1 - Apparat zur steuerung der ausgangsleistung eines lasers. - Google Patents

Apparat zur steuerung der ausgangsleistung eines lasers.

Info

Publication number
DE3683349D1
DE3683349D1 DE8686308099T DE3683349T DE3683349D1 DE 3683349 D1 DE3683349 D1 DE 3683349D1 DE 8686308099 T DE8686308099 T DE 8686308099T DE 3683349 T DE3683349 T DE 3683349T DE 3683349 D1 DE3683349 D1 DE 3683349D1
Authority
DE
Germany
Prior art keywords
laser
controlling
output performance
performance
output
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
DE8686308099T
Other languages
English (en)
Inventor
Richard Joseph Lisco
Josef Ocenasek
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.)
AT&T Corp
Original Assignee
American Telephone and Telegraph Co Inc
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 American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc
Application granted granted Critical
Publication of DE3683349D1 publication Critical patent/DE3683349D1/de
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
    • H01S5/06832—Stabilising during amplitude modulation

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Semiconductor Lasers (AREA)
  • Optical Communication System (AREA)
DE8686308099T 1985-10-28 1986-10-20 Apparat zur steuerung der ausgangsleistung eines lasers. Expired - Fee Related DE3683349D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/792,160 US4677632A (en) 1985-10-28 1985-10-28 Coupled loop controller for a laser transmitter

Publications (1)

Publication Number Publication Date
DE3683349D1 true DE3683349D1 (de) 1992-02-20

Family

ID=25155990

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686308099T Expired - Fee Related DE3683349D1 (de) 1985-10-28 1986-10-20 Apparat zur steuerung der ausgangsleistung eines lasers.

Country Status (5)

Country Link
US (1) US4677632A (de)
EP (1) EP0221710B1 (de)
JP (1) JPS62104329A (de)
CA (1) CA1239192A (de)
DE (1) DE3683349D1 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4724314A (en) * 1986-08-21 1988-02-09 Harbor Branch Oceanographic Institution Inc. Material characteristics measuring methods and devices
DE3706572A1 (de) * 1987-02-28 1988-09-08 Philips Patentverwaltung Regelung von laserdioden
US4796996A (en) * 1987-08-14 1989-01-10 American Telephone And Telegraph Company, At&T Bell Laboratories Laser temperature modulation and detection method
GB2208962B (en) * 1987-08-19 1991-05-08 Plessey Co Plc Power supply
JPS6482579A (en) * 1987-09-24 1989-03-28 Sharp Kk Pulse driving circuit for semiconductor laser
DE3817836A1 (de) * 1988-05-26 1989-11-30 Philips Patentverwaltung Optischer sender mit einer laserdiode
US5128950A (en) * 1989-08-02 1992-07-07 Hamamatsu Photonics K.K. Low noise pulsed light source using laser diode
US5073838A (en) * 1989-12-04 1991-12-17 Ncr Corporation Method and apparatus for preventing damage to a temperature-sensitive semiconductor device
US4995045A (en) * 1990-02-01 1991-02-19 Northern Telecom Limited Laser control circuit
US5179565A (en) * 1990-06-07 1993-01-12 Hamamatsu Photonics, K.K. Low noise pulsed light source utilizing laser diode and voltage detector device utilizing same low noise pulsed light source
US5123023A (en) * 1990-11-21 1992-06-16 Polaroid Corporation Laser driver with plural feedback loops
US5163062A (en) * 1991-10-16 1992-11-10 The United States Of America As Represented By The Secretary Of The Navy Method of frequency shifting using a chromium doped laser transmitter
US5163061A (en) * 1991-10-17 1992-11-10 The United States Of America As Represented By The Secretary Of The Navy Method of frequency shifting using a chromium doped laser transmitter
US5247532A (en) * 1992-06-01 1993-09-21 Finisar Corporation Method and apparatus for stimulating a laser diode in a fiber optic transmitter
US5444728A (en) * 1993-12-23 1995-08-22 Polaroid Corporation Laser driver circuit
US5402433A (en) * 1994-01-05 1995-03-28 Alcatel Network Systems, Inc. Apparatus and method for laser bias and modulation control
US5673282A (en) * 1995-07-28 1997-09-30 Lucent Technologies Inc. Method and apparatus for monitoring performance of a laser transmitter
US5953690A (en) * 1996-07-01 1999-09-14 Pacific Fiberoptics, Inc. Intelligent fiberoptic receivers and method of operating and manufacturing the same
US6122302A (en) * 1997-12-10 2000-09-19 Harmonic Inc. Automatic compensation of CNR and OMI in a laser transmitter
DK173749B1 (da) * 1997-12-23 2001-09-10 Tellabs Denmark As Optisk sender
WO2002037622A2 (en) 2000-11-06 2002-05-10 Vitesse Semiconductor Corporation Method of controlling the turn off characteristics of a vcsel diode
US6917639B2 (en) * 2001-08-09 2005-07-12 Ricoh Company, Ltd. Laser driver circuit
US20040131094A1 (en) * 2002-12-18 2004-07-08 Reza Miremadi Method of controlling the extinction ratio of a laser
US8691598B1 (en) 2012-12-06 2014-04-08 Ultratech, Inc. Dual-loop control for laser annealing of semiconductor wafers
US20140158578A1 (en) 2012-12-06 2014-06-12 Jason Varan Folding apparatus for the containment and transport of bottles and method of use
CN106877170B (zh) * 2017-03-13 2023-12-26 武汉汉源光通信技术有限公司 激光发射自动控制电路、方法及相关芯片、光模块和设备
US9985414B1 (en) 2017-06-16 2018-05-29 Banner Engineering Corp. Open-loop laser power-regulation
US11609116B2 (en) 2020-08-27 2023-03-21 Banner Engineering Corp Open-loop photodiode gain regulation

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3755697A (en) * 1971-11-26 1973-08-28 Hewlett Packard Co Light-emitting diode driver
US3898583A (en) * 1972-03-29 1975-08-05 Xerox Corp Laser stabilization technique
USRE31969E (en) * 1976-03-22 1985-08-13 At&T Bell Laboratories Laser control circuit
US4166947A (en) * 1977-11-10 1979-09-04 Minnesota Mining And Manufacturing Company TTL Compatible LED driver circuit
EP0060844A1 (de) * 1980-09-29 1982-09-29 Motorola, Inc. Handbetätigter radioabstimmkreis
US4412140A (en) * 1981-11-19 1983-10-25 Motorola, Inc. Circuit for reducing current to light emitting diode of optically coupled driver
JPS6025335A (ja) * 1983-07-21 1985-02-08 Hitachi Ltd 光出力安定化方式
JPS6091687A (ja) * 1983-10-25 1985-05-23 Toshiba Corp 半導体レ−ザの出力安定化方式

Also Published As

Publication number Publication date
JPS62104329A (ja) 1987-05-14
CA1239192A (en) 1988-07-12
EP0221710A2 (de) 1987-05-13
EP0221710B1 (de) 1992-01-08
EP0221710A3 (en) 1988-11-02
US4677632A (en) 1987-06-30

Similar Documents

Publication Publication Date Title
DE3683349D1 (de) Apparat zur steuerung der ausgangsleistung eines lasers.
DK229886A (da) Midler til bekaempelse af skadelige organismer paa basis af pyrazolderivater
DE3464711D1 (en) Method and apparatus for the alignment of a laser beam by optical aiming means, and method of using the apparatus for controlling the alignment
DE3856294D1 (de) Verfahren zur korrektur der laserausgangsleistung
NO168875C (no) Laser-sveising
IT1150310B (it) Procedimento e dispositivo per il taglio al cannello per mezzo di un raggio laser
EP0218449A3 (en) Apparatus for stabilizing the optical output power of a apparatus for stabilizing the optical output power of a semiconductor laser semiconductor laser
NO841575L (no) Laserstraale
DK0380242T3 (da) Laser med fordelt tilbagekobling for frekvensmodulerede kommunikationssystemer
IT8349437A0 (it) Apparecchio per il trattamento dimateriali a mezzo laser
DE69019281D1 (de) Apparat zur Steuerung der Lichtmenge.
DE69200250D1 (de) Verfahren zur verlängerung der gaslebensdauer von excimer-lasern.
DE3776816D1 (de) Vorrichtung zur lasersteuerung.
AU8554582A (en) Transverse excitation gas laser
DE3679721D1 (de) Winkelgeschwindigkeitsmesser mit vibrierendem ringlaser.
GB2170472B (en) Laser beam machining apparatus
AT366607B (de) Einrichtung an einer oszillierenden stranggiess- kokille
GB2080877B (en) Engine ifnition system using laser beam
DE3855211D1 (de) Steuerung der oszillationen eines lasers
DE69418173D1 (de) System zur steuerung der laserleistung
DE3574291D1 (en) Laser beam intensity controlling apparatus
IT8267936A0 (it) Procedimento per modulare un fascio laser
GB2098791B (en) Sealed-off co2 laser
DE3864108D1 (de) Steuerung der ausgangsleistung eines klasse-c-verstaerkers.
DE3172438D1 (de) Laser alignement apparatus

Legal Events

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

Free format text: BLUMBACH, KRAMER & PARTNER, 65193 WIESBADEN

8339 Ceased/non-payment of the annual fee