FR2517131B1 - Dispositif pour faire varier la puissance d'un laser - Google Patents

Dispositif pour faire varier la puissance d'un laser

Info

Publication number
FR2517131B1
FR2517131B1 FR8219592A FR8219592A FR2517131B1 FR 2517131 B1 FR2517131 B1 FR 2517131B1 FR 8219592 A FR8219592 A FR 8219592A FR 8219592 A FR8219592 A FR 8219592A FR 2517131 B1 FR2517131 B1 FR 2517131B1
Authority
FR
France
Prior art keywords
laser
laser beam
variing
power
plate
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
Application number
FR8219592A
Other languages
English (en)
Other versions
FR2517131A1 (fr
Inventor
Kouichi Karaki
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.)
Olympus Corp
Original Assignee
Olympus Optical 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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Publication of FR2517131A1 publication Critical patent/FR2517131A1/fr
Application granted granted Critical
Publication of FR2517131B1 publication Critical patent/FR2517131B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/02—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light
    • 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
    • H01S3/106—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity
    • 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
    • H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Lasers (AREA)
  • Laser Surgery Devices (AREA)
  • Laser Beam Processing (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
FR8219592A 1981-11-24 1982-11-23 Dispositif pour faire varier la puissance d'un laser Expired FR2517131B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56187959A JPS5889889A (ja) 1981-11-24 1981-11-24 レ−ザ出力可変装置

Publications (2)

Publication Number Publication Date
FR2517131A1 FR2517131A1 (fr) 1983-05-27
FR2517131B1 true FR2517131B1 (fr) 1985-12-13

Family

ID=16215154

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8219592A Expired FR2517131B1 (fr) 1981-11-24 1982-11-23 Dispositif pour faire varier la puissance d'un laser

Country Status (4)

Country Link
US (1) US4530098A (fr)
JP (1) JPS5889889A (fr)
DE (1) DE3243470A1 (fr)
FR (1) FR2517131B1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3415009A1 (de) * 1983-04-20 1984-10-25 Mitsubishi Denki K.K., Tokio/Tokyo Laservorrichtung
DE3319151A1 (de) * 1983-05-26 1984-11-29 Mergenthaler Linotype Gmbh, 6236 Eschborn Einstellbarer laserlicht-abschwaecher fuer typografische setz- und druckgeraete
DE3440059C2 (de) * 1984-11-02 1987-02-12 Heitland International Cosmetics GmbH, 3100 Celle Gaslasergerät zur medizinischen Behandlung
LU86927A1 (de) * 1987-06-19 1988-07-14 Europ Communities Kontinuierlich variables laserstrahl-daempfungsglied
US5072338A (en) * 1988-05-19 1991-12-10 Hug William F Inspection/detection system with a laser module for use in forensic applications
DE3924857A1 (de) * 1989-07-27 1991-02-07 Messerschmitt Boelkow Blohm Laser mit erweitertem regelbereich
US5018150A (en) * 1989-09-05 1991-05-21 General Electric Company Reflector switched lasers
JP2614117B2 (ja) * 1989-10-06 1997-05-28 ソニー・テクトロニクス 株式会社 光減衰器
FR2656169B1 (fr) * 1989-12-15 1994-09-02 Commissariat Energie Atomique Dispositif d'asservissement en puissance d'un laser.
DE4037901A1 (de) * 1990-11-28 1992-06-04 Lambda Physik Gmbh Verfahren zum steuern der gesamtenergiemenge einer vielzahl von laserpulsen
JP2002208748A (ja) 2001-01-11 2002-07-26 Nec Corp レーザ光の強度補正方法、レーザ光の強度補正機構及び該補正機構を備えた多分岐レーザ発振装置
WO2005098483A1 (fr) * 2004-04-05 2005-10-20 Micronic Laser Systems Ab Ensemble diaphragme pour faisceaux laser de grande puissance
CN101486278B (zh) * 2008-01-14 2012-05-23 Axt公司 激光可调节深度标记系统和方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3900804A (en) * 1973-12-26 1975-08-19 United Aircraft Corp Multitube coaxial closed cycle gas laser system
JPS5120691A (ja) * 1974-08-13 1976-02-19 Mitsubishi Electric Corp Reezahatsushinki
US4065207A (en) * 1976-09-17 1977-12-27 The United States Of America As Represented By The Secretary Of The Army Programmable power attenuator for continuous CO2 lasers
US4192573A (en) * 1977-02-14 1980-03-11 The United States Of America As Represented By The Secretary Of The Navy Variable power attenuator for light beams
JPS55121692A (en) * 1979-03-13 1980-09-18 Mitsubishi Electric Corp Laser generator

Also Published As

Publication number Publication date
DE3243470A1 (de) 1983-06-01
FR2517131A1 (fr) 1983-05-27
JPS5889889A (ja) 1983-05-28
US4530098A (en) 1985-07-16

Similar Documents

Publication Publication Date Title
EP0346844A3 (fr) Dispositif de tête optique
FR2517131B1 (fr) Dispositif pour faire varier la puissance d'un laser
EP0441978A4 (en) Device for radiating laser beams
CA2090591A1 (fr) Generateur de faisceaux lasers
JPS57124586A (en) Co2 laser working device
DE68908230D1 (de) Kompakte rf-angeregter wellenleiter-gas-laser-einrichtung mit verteilten induktoren.
TR24873A (tr) AYARLANABILIR HüZME GENISLIGI VE HüZME YÖNLENDIRME SINE SAHIP ANTEN SISTEMI
ATE35235T1 (de) Manipulator.
DE3368982D1 (en) Device for monitoring the thickness of thin, hardly absorbing films
FR2671196B1 (fr) Dispositif telemetrique pour la detection et la localisation d'objets ou de substances retrodiffusants.
JPS56167118A (en) Scanner of optical system
FR2597672B1 (fr) Dispositif pour augmenter la densite de puissance sur sa section d'un faisceau laser annulaire.
SE8500893D0 (sv) Multiple function camera
JPS6449930A (en) Multiple reflection cell
JPS5662689A (en) Laser processing device
SE8302833L (sv) Rorelseanalysator
JPS6444915A (en) Optical coupling device
JPS57178390A (en) Laser device
FR2381325A1 (fr) Dispositif pour modifier la repartition spatiale d'energie dans la section d'un faisceau lumineux
EP0484310A3 (en) Device for measuring the roughness of a moving metal product
FR2511163B1 (fr) Dispositif pour la commande de la direction d'un faisceau de rayonnement optique
ATE208088T1 (de) Laserabordnung zur erzeugung eines haupt- und eines referenzlichtstrahls
JPS6428811A (en) Optical cvd device
JPS55115163A (en) Bar code reader
BREAULT Generation, measurement and control of stray radiation III; Proceedings of the Meeting, Los Angeles, CA, January 18, 19, 1983

Legal Events

Date Code Title Description
ST Notification of lapse