DE69016641D1 - Regelungssystem für die Ausgangsenergie einer Pulslichtquelle. - Google Patents

Regelungssystem für die Ausgangsenergie einer Pulslichtquelle.

Info

Publication number
DE69016641D1
DE69016641D1 DE69016641T DE69016641T DE69016641D1 DE 69016641 D1 DE69016641 D1 DE 69016641D1 DE 69016641 T DE69016641 T DE 69016641T DE 69016641 T DE69016641 T DE 69016641T DE 69016641 D1 DE69016641 D1 DE 69016641D1
Authority
DE
Germany
Prior art keywords
light source
control system
pulsed light
output energy
energy
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
DE69016641T
Other languages
English (en)
Other versions
DE69016641T2 (de
Inventor
Koichi Wani
Mutsumi Mimasu
Tadaaki Miki
Yasuhiro Shimada
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69016641D1 publication Critical patent/DE69016641D1/de
Application granted granted Critical
Publication of DE69016641T2 publication Critical patent/DE69016641T2/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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/131—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
    • H01S3/134—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation in gas lasers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/70—Auxiliary operations or equipment
    • B23K26/702—Auxiliary equipment
    • 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/131—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Lasers (AREA)
DE69016641T 1990-03-27 1990-09-18 Regelungssystem für die Ausgangsenergie einer Pulslichtquelle. Expired - Fee Related DE69016641T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2077853A JPH03276782A (ja) 1990-03-27 1990-03-27 パルス光源

Publications (2)

Publication Number Publication Date
DE69016641D1 true DE69016641D1 (de) 1995-03-16
DE69016641T2 DE69016641T2 (de) 1995-05-24

Family

ID=13645622

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69016641T Expired - Fee Related DE69016641T2 (de) 1990-03-27 1990-09-18 Regelungssystem für die Ausgangsenergie einer Pulslichtquelle.

Country Status (5)

Country Link
US (1) US5134273A (de)
EP (1) EP0448776B1 (de)
JP (1) JPH03276782A (de)
CA (1) CA2025579C (de)
DE (1) DE69016641T2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5250797A (en) * 1990-10-05 1993-10-05 Canon Kabushiki Kaisha Exposure method and apparatus for controlling light pulse emission using determined exposure quantities and control parameters
JPH07151701A (ja) * 1993-11-29 1995-06-16 Hajime Sangyo Kk ストロボスコープの光量補正機能を有する検査装置
US5523543A (en) * 1994-09-09 1996-06-04 Litel Instruments Laser ablation control system and method
US5497001A (en) * 1994-09-15 1996-03-05 Dittler Brothers Incorporated Flash tube devices
US5455837A (en) * 1994-09-22 1995-10-03 Coherent, Inc. Flashlamp energy control circuit
US5609780A (en) * 1994-11-14 1997-03-11 International Business Machines, Corporation Laser system
US5834750A (en) * 1995-02-28 1998-11-10 Psc, Inc. Bar code scanning system for automatically maintaining constant the amplitude of light reflected from a bar code
DE19537467C1 (de) * 1995-10-07 1997-02-27 Pkl Verpackungssysteme Gmbh Verfahren und Vorrichtung zum Erzeugen wiederkehrender Muster in kontinuierlich bewegtem Flachmaterial durch Schneiden, Perforieren oder Beschriften mittels Laserbestrahlung
JPH10243171A (ja) * 1997-02-25 1998-09-11 Brother Ind Ltd 画像読取装置
JPH10263859A (ja) * 1997-03-19 1998-10-06 Miyachi Technos Corp レーザモニタ装置及びレーザ装置
JP3765044B2 (ja) * 1998-01-20 2006-04-12 株式会社小松製作所 エキシマレーザ装置のエネルギー制御装置
DE19906769A1 (de) * 1998-02-19 1999-12-16 Leica Microsystems Überlastschutz zur Vermeidung einer Beschädigung optischer Komponenten
DE19823096C2 (de) * 1998-05-22 2002-10-10 Atmel Germany Gmbh Verfahren zur Regelung einer Regelgröße und Schaltungsanordnung zur Durchführung des Verfahrens
US6208370B1 (en) 1998-12-22 2001-03-27 Eastman Kodak Company Method and apparatus for determining the starting position and the power of a scanning light beam to be used in writing on a media
US6817998B2 (en) * 1999-07-23 2004-11-16 Lahaye Leon C. Method and apparatus for monitoring laser surgery
TWI225190B (en) * 2003-03-26 2004-12-11 Media Tek Inc Automatic power controller
CN100428103C (zh) * 2003-04-08 2008-10-22 联发科技股份有限公司 自动功率控制器
US20070201013A1 (en) * 2006-02-28 2007-08-30 Asml Netherlands B.V. Lithographic apparatus, device manufacturing method and energy sensor
US7868999B2 (en) * 2006-08-10 2011-01-11 Asml Netherlands B.V. Lithographic apparatus, source, source controller and control method

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4611270A (en) * 1983-09-16 1986-09-09 Questek Incorporated Method and means of controlling the output of a pulsed laser
JPH0821173B2 (ja) * 1984-07-27 1996-03-04 松下電器産業株式会社 半導体レ−ザ駆動回路
JPS6190540A (ja) * 1984-10-09 1986-05-08 Olympus Optical Co Ltd 光出力安定化装置
JPS6269577A (ja) * 1985-09-21 1987-03-30 Ushio Inc パルス放電型レ−ザの出力制御装置
US4837787A (en) * 1986-06-04 1989-06-06 Konishiroku Photo Industry Co., Ltd. Semiconductor laser device with light emission inhibiting means
JPH0621878B2 (ja) * 1986-07-21 1994-03-23 株式会社日立製作所 異物検査方法
JP2548930B2 (ja) * 1987-02-16 1996-10-30 旭光学工業株式会社 半導体レ−ザの光出力制御装置
JPH0618422B2 (ja) * 1987-10-20 1994-03-09 富士写真フイルム株式会社 レーザ記録装置
JPH01135082A (ja) * 1987-11-20 1989-05-26 Ricoh Co Ltd 半導体レーザ制御装置
US5026978A (en) * 1989-01-25 1991-06-25 Omron Corporation Photoelectric switch having pulse driver circuitry
JPH0399484A (ja) * 1989-09-12 1991-04-24 Brother Ind Ltd 半導体レーザ駆動回路

Also Published As

Publication number Publication date
US5134273A (en) 1992-07-28
CA2025579C (en) 1994-04-12
EP0448776A3 (en) 1992-05-06
EP0448776A2 (de) 1991-10-02
JPH03276782A (ja) 1991-12-06
EP0448776B1 (de) 1995-02-01
DE69016641T2 (de) 1995-05-24
CA2025579A1 (en) 1991-09-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee