FI943717A0 - Laserin ohjausmenetelmä ja -laite - Google Patents

Laserin ohjausmenetelmä ja -laite

Info

Publication number
FI943717A0
FI943717A0 FI943717A FI943717A FI943717A0 FI 943717 A0 FI943717 A0 FI 943717A0 FI 943717 A FI943717 A FI 943717A FI 943717 A FI943717 A FI 943717A FI 943717 A0 FI943717 A0 FI 943717A0
Authority
FI
Finland
Prior art keywords
control method
laser control
laser
control
Prior art date
Application number
FI943717A
Other languages
English (en)
Swedish (sv)
Other versions
FI943717A (fi
FI110970B (fi
Inventor
Mats Olov Joakim Hedberg
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of FI943717A publication Critical patent/FI943717A/fi
Publication of FI943717A0 publication Critical patent/FI943717A0/fi
Application granted granted Critical
Publication of FI110970B publication Critical patent/FI110970B/fi

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T1/00—Details of spark gaps
    • H01T1/20—Means for starting arc or facilitating ignition of spark gap
    • 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
    • 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
    • H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
    • 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
    • H01S5/06835—Stabilising during pulse modulation or generation

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)
  • Laser Surgery Devices (AREA)
FI943717A 1992-02-13 1994-08-11 Laserin ohjausmenetelmä ja -laite FI110970B (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US07/835,626 US5216682A (en) 1992-02-13 1992-02-13 Laser control method and apparatus
US83562692 1992-02-13
SE9300023 1993-01-07
PCT/SE1993/000023 WO1993016512A1 (en) 1992-02-13 1993-01-19 Laser control method and apparatus

Publications (3)

Publication Number Publication Date
FI943717A FI943717A (fi) 1994-08-11
FI943717A0 true FI943717A0 (fi) 1994-08-11
FI110970B FI110970B (fi) 2003-04-30

Family

ID=25270010

Family Applications (1)

Application Number Title Priority Date Filing Date
FI943717A FI110970B (fi) 1992-02-13 1994-08-11 Laserin ohjausmenetelmä ja -laite

Country Status (15)

Country Link
US (1) US5216682A (fi)
EP (1) EP0626106B1 (fi)
JP (1) JP3264669B2 (fi)
KR (1) KR100275217B1 (fi)
CN (1) CN1045032C (fi)
AU (1) AU663364B2 (fi)
BR (1) BR9305879A (fi)
CA (1) CA2125390C (fi)
DE (1) DE69318134T2 (fi)
DK (1) DK0626106T3 (fi)
ES (1) ES2118225T3 (fi)
FI (1) FI110970B (fi)
MX (1) MX9206950A (fi)
NO (1) NO309068B1 (fi)
WO (1) WO1993016512A1 (fi)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW432234B (en) * 1997-08-20 2001-05-01 Advantest Corp Optical signal transmission apparatus and method
US5978393A (en) * 1997-08-25 1999-11-02 Digital Optics Corporation Laser diode power output controller and method thereof
JPH11275031A (ja) * 1998-03-20 1999-10-08 Fujitsu Ltd 光伝送装置
DE19932657A1 (de) * 1999-07-15 2001-01-18 Koninkl Philips Electronics Nv Laserdiodenregelung mit Kompensationsfilter
JP3858710B2 (ja) 2002-01-31 2006-12-20 三菱電機株式会社 レーザ発振器およびその制御方法
EP1345296A1 (en) * 2002-03-16 2003-09-17 Agilent Technologies, Inc. (a Delaware corporation) System for controlling power, wavelength and extinction ratio in optical sources, and computer program product therefor
WO2005055436A2 (en) * 2003-12-03 2005-06-16 Rad-Op Ltd. Transceiver for optical transmission
JP2005340278A (ja) * 2004-05-24 2005-12-08 Freescale Semiconductor Inc 発光素子駆動回路
DE102007043516B4 (de) 2007-09-12 2021-08-26 Valeo Schalter Und Sensoren Gmbh Anordnung zum Betrieb eines elektronischen Kameramoduls
JP4799595B2 (ja) * 2008-08-20 2011-10-26 パナソニック株式会社 消光比補償レーザ駆動回路及び光通信装置
US8687971B2 (en) * 2011-01-31 2014-04-01 Telefonaktiebolaget Lm Ericsson (Publ) System, laser-on-CMOS chip, and method for setting a wavelength to be used by the laser-on-CMOS chip
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 (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7907683A (nl) * 1979-10-18 1981-04-22 Philips Nv Regelketen voor de bekrachtigingsstroom van een laser.
JPS59146457A (ja) * 1983-02-10 1984-08-22 Olympus Optical Co Ltd 光出力自動制御装置
FR2542511B1 (fr) * 1983-03-09 1986-12-19 Lecoy Pierre Procede et dispositif de regulation de la puissance lumineuse de diodes laser
US4698817A (en) * 1985-02-28 1987-10-06 Northern Telecom Limited Peak optical power control circuit for laser driver
JP2546388B2 (ja) * 1989-08-31 1996-10-23 日本電気株式会社 半導体レーザ装置の発振周波数安定化装置
US5123023A (en) * 1990-11-21 1992-06-16 Polaroid Corporation Laser driver with plural feedback loops

Also Published As

Publication number Publication date
DE69318134T2 (de) 1998-10-08
CA2125390C (en) 2004-03-09
AU3577593A (en) 1993-09-03
KR100275217B1 (ko) 2001-01-15
NO942969D0 (no) 1994-08-11
US5216682A (en) 1993-06-01
WO1993016512A1 (en) 1993-08-19
JP3264669B2 (ja) 2002-03-11
MX9206950A (es) 1993-09-01
DE69318134D1 (de) 1998-05-28
EP0626106B1 (en) 1998-04-22
FI943717A (fi) 1994-08-11
CA2125390A1 (en) 1993-08-19
KR950700622A (ko) 1995-01-16
DK0626106T3 (da) 1999-02-01
NO309068B1 (no) 2000-12-04
JPH07503812A (ja) 1995-04-20
BR9305879A (pt) 1997-08-19
FI110970B (fi) 2003-04-30
AU663364B2 (en) 1995-10-05
NO942969L (no) 1994-08-11
CN1076315A (zh) 1993-09-15
CN1045032C (zh) 1999-09-08
ES2118225T3 (es) 1998-09-16
EP0626106A1 (en) 1994-11-30

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Legal Events

Date Code Title Description
MA Patent expired