DE3779990T2 - Methode zur impulsweisen ansteuerung eines halbleiterlasers, ansteuerungsvorrichtung fuer einen halbleiterlaser und laser-aufzeichnungsapparat mit einer derartigen ansteuerungsvorrichtung. - Google Patents

Methode zur impulsweisen ansteuerung eines halbleiterlasers, ansteuerungsvorrichtung fuer einen halbleiterlaser und laser-aufzeichnungsapparat mit einer derartigen ansteuerungsvorrichtung.

Info

Publication number
DE3779990T2
DE3779990T2 DE8787201712T DE3779990T DE3779990T2 DE 3779990 T2 DE3779990 T2 DE 3779990T2 DE 8787201712 T DE8787201712 T DE 8787201712T DE 3779990 T DE3779990 T DE 3779990T DE 3779990 T2 DE3779990 T2 DE 3779990T2
Authority
DE
Germany
Prior art keywords
laser
control device
semiconductor laser
semi
control
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
DE8787201712T
Other languages
English (en)
Other versions
DE3779990D1 (de
Inventor
Rene Dufour
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of DE3779990D1 publication Critical patent/DE3779990D1/de
Application granted granted Critical
Publication of DE3779990T2 publication Critical patent/DE3779990T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
    • 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
    • H01S5/06216—Pulse modulation or generation

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Head (AREA)
  • Semiconductor Lasers (AREA)
  • Optical Recording Or Reproduction (AREA)
DE8787201712T 1986-09-12 1987-09-10 Methode zur impulsweisen ansteuerung eines halbleiterlasers, ansteuerungsvorrichtung fuer einen halbleiterlaser und laser-aufzeichnungsapparat mit einer derartigen ansteuerungsvorrichtung. Expired - Fee Related DE3779990T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8602303A NL8602303A (nl) 1986-09-12 1986-09-12 Werkwijze voor het in pulsmode aansturen van een halfgeleiderlaser, aanstuurinrichting voor een halfgeleiderlaser en laserschrijfapparaat voorzien van een dergelijke aanstuurinrichting.

Publications (2)

Publication Number Publication Date
DE3779990D1 DE3779990D1 (de) 1992-07-30
DE3779990T2 true DE3779990T2 (de) 1993-01-14

Family

ID=19848536

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787201712T Expired - Fee Related DE3779990T2 (de) 1986-09-12 1987-09-10 Methode zur impulsweisen ansteuerung eines halbleiterlasers, ansteuerungsvorrichtung fuer einen halbleiterlaser und laser-aufzeichnungsapparat mit einer derartigen ansteuerungsvorrichtung.

Country Status (8)

Country Link
US (1) US4817097A (de)
EP (1) EP0262713B1 (de)
JP (1) JPS6374130A (de)
AT (1) ATE77716T1 (de)
AU (1) AU609668B2 (de)
CA (1) CA1274273A (de)
DE (1) DE3779990T2 (de)
NL (1) NL8602303A (de)

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DE68924747T2 (de) * 1988-03-04 1996-05-02 Fujitsu Ltd Vorrichtung und verfahren zur modulierung eines halbleiterlasers.
JPH0227533A (ja) * 1988-07-18 1990-01-30 Sony Corp レーザダイオード駆動装置
DE3915982A1 (de) * 1989-05-17 1990-11-22 Basf Ag Pulslaser
US5175722A (en) * 1989-08-08 1992-12-29 Fujitsu Limited Power supply circuit for stabilizing power input to a laser diode
DE4036896C1 (en) * 1990-11-20 1992-02-20 Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De Electronic current pulsing device for controlling laser diode - uses two RC-combinations and pair of heavy current switches
JP3061923B2 (ja) * 1992-02-28 2000-07-10 キヤノン株式会社 半導体発光素子の駆動回路
DE69524385T2 (de) * 1994-02-11 2002-08-14 Thomson Multimedia Sa Verfahren und vorrichtung zum treiben eines lichtemittierenden elementes
US6141362A (en) * 1998-06-05 2000-10-31 The United States Of America As Represented By The United States Department Of Energy Reduction of B-integral accumulation in lasers
KR101058071B1 (ko) 2003-06-27 2011-08-19 코닌클리케 필립스 일렉트로닉스 엔.브이. 광학 저장 시스템에서 사용하기 위한 다이오드 장치의제어방법
US8118447B2 (en) 2007-12-20 2012-02-21 Altair Engineering, Inc. LED lighting apparatus with swivel connection
US7712918B2 (en) 2007-12-21 2010-05-11 Altair Engineering , Inc. Light distribution using a light emitting diode assembly
US8665188B2 (en) * 2008-02-04 2014-03-04 National Semiconductor Corporation Laser diode / LED drive circuit
US8360599B2 (en) 2008-05-23 2013-01-29 Ilumisys, Inc. Electric shock resistant L.E.D. based light
US7976196B2 (en) 2008-07-09 2011-07-12 Altair Engineering, Inc. Method of forming LED-based light and resulting LED-based light
US7946729B2 (en) 2008-07-31 2011-05-24 Altair Engineering, Inc. Fluorescent tube replacement having longitudinally oriented LEDs
US8674626B2 (en) 2008-09-02 2014-03-18 Ilumisys, Inc. LED lamp failure alerting system
US8256924B2 (en) 2008-09-15 2012-09-04 Ilumisys, Inc. LED-based light having rapidly oscillating LEDs
US7938562B2 (en) 2008-10-24 2011-05-10 Altair Engineering, Inc. Lighting including integral communication apparatus
US8214084B2 (en) 2008-10-24 2012-07-03 Ilumisys, Inc. Integration of LED lighting with building controls
US8653984B2 (en) 2008-10-24 2014-02-18 Ilumisys, Inc. Integration of LED lighting control with emergency notification systems
US8444292B2 (en) 2008-10-24 2013-05-21 Ilumisys, Inc. End cap substitute for LED-based tube replacement light
US8901823B2 (en) 2008-10-24 2014-12-02 Ilumisys, Inc. Light and light sensor
US8324817B2 (en) 2008-10-24 2012-12-04 Ilumisys, Inc. Light and light sensor
US8556452B2 (en) 2009-01-15 2013-10-15 Ilumisys, Inc. LED lens
US8362710B2 (en) 2009-01-21 2013-01-29 Ilumisys, Inc. Direct AC-to-DC converter for passive component minimization and universal operation of LED arrays
US8664880B2 (en) 2009-01-21 2014-03-04 Ilumisys, Inc. Ballast/line detection circuit for fluorescent replacement lamps
US8330381B2 (en) 2009-05-14 2012-12-11 Ilumisys, Inc. Electronic circuit for DC conversion of fluorescent lighting ballast
US8299695B2 (en) 2009-06-02 2012-10-30 Ilumisys, Inc. Screw-in LED bulb comprising a base having outwardly projecting nodes
WO2011005579A2 (en) 2009-06-23 2011-01-13 Altair Engineering, Inc. Illumination device including leds and a switching power control system
US8541958B2 (en) 2010-03-26 2013-09-24 Ilumisys, Inc. LED light with thermoelectric generator
CA2794512A1 (en) 2010-03-26 2011-09-29 David L. Simon Led light tube with dual sided light distribution
EP2553332B1 (de) 2010-03-26 2016-03-23 iLumisys, Inc. Umgestülpte led-glühlampe
US8263903B2 (en) 2010-05-18 2012-09-11 Institut National D'optique Method for stablizing an output of a pulsed laser system using pulse shaping
US8454193B2 (en) 2010-07-08 2013-06-04 Ilumisys, Inc. Independent modules for LED fluorescent light tube replacement
CA2803267A1 (en) 2010-07-12 2012-01-19 Ilumisys, Inc. Circuit board mount for led light tube
US8523394B2 (en) 2010-10-29 2013-09-03 Ilumisys, Inc. Mechanisms for reducing risk of shock during installation of light tube
US8870415B2 (en) 2010-12-09 2014-10-28 Ilumisys, Inc. LED fluorescent tube replacement light with reduced shock hazard
WO2013028965A2 (en) 2011-08-24 2013-02-28 Ilumisys, Inc. Circuit board mount for led light
US9184518B2 (en) 2012-03-02 2015-11-10 Ilumisys, Inc. Electrical connector header for an LED-based light
US9163794B2 (en) 2012-07-06 2015-10-20 Ilumisys, Inc. Power supply assembly for LED-based light tube
US9271367B2 (en) 2012-07-09 2016-02-23 Ilumisys, Inc. System and method for controlling operation of an LED-based light
US9285084B2 (en) 2013-03-14 2016-03-15 Ilumisys, Inc. Diffusers for LED-based lights
US9267650B2 (en) 2013-10-09 2016-02-23 Ilumisys, Inc. Lens for an LED-based light
WO2015112437A1 (en) 2014-01-22 2015-07-30 Ilumisys, Inc. Led-based light with addressed leds
US9510400B2 (en) 2014-05-13 2016-11-29 Ilumisys, Inc. User input systems for an LED-based light
US10161568B2 (en) 2015-06-01 2018-12-25 Ilumisys, Inc. LED-based light with canted outer walls
US20230152583A1 (en) * 2021-11-16 2023-05-18 Meta Platforms Technologies, Llc Laser driver with pulse scaling circuit for laser displays

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Publication number Priority date Publication date Assignee Title
FR2495870A1 (fr) * 1980-12-09 1982-06-11 Thomson Csf Dispositif de protection d'une diode laser
JPS59146457A (ja) * 1983-02-10 1984-08-22 Olympus Optical Co Ltd 光出力自動制御装置
US4635265A (en) * 1984-06-13 1987-01-06 Edward Weck & Company, Inc. Power switching circuit for a pulsed laser
US4819241A (en) * 1985-08-16 1989-04-04 Kabushiki Kaisha Toshiba Laser diode driving circuit
US4803384A (en) * 1985-10-22 1989-02-07 Fujitsu Limited Pulse amplifier suitable for use in the semiconductor laser driving device

Also Published As

Publication number Publication date
AU7822687A (en) 1988-03-17
DE3779990D1 (de) 1992-07-30
US4817097A (en) 1989-03-28
JPS6374130A (ja) 1988-04-04
CA1274273A (en) 1990-09-18
AU609668B2 (en) 1991-05-02
EP0262713A1 (de) 1988-04-06
NL8602303A (nl) 1988-04-05
ATE77716T1 (de) 1992-07-15
EP0262713B1 (de) 1992-06-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

8339 Ceased/non-payment of the annual fee