FR2524213B1 - Procede et appareil de modulation d'un faisceau laser - Google Patents

Procede et appareil de modulation d'un faisceau laser

Info

Publication number
FR2524213B1
FR2524213B1 FR8304971A FR8304971A FR2524213B1 FR 2524213 B1 FR2524213 B1 FR 2524213B1 FR 8304971 A FR8304971 A FR 8304971A FR 8304971 A FR8304971 A FR 8304971A FR 2524213 B1 FR2524213 B1 FR 2524213B1
Authority
FR
France
Prior art keywords
modulating
laser beam
laser
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
FR8304971A
Other languages
English (en)
Other versions
FR2524213A1 (fr
Inventor
Ichiro Egashira
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.)
Amada Co Ltd
Original Assignee
Amada 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 Amada Co Ltd filed Critical Amada Co Ltd
Publication of FR2524213A1 publication Critical patent/FR2524213A1/fr
Application granted granted Critical
Publication of FR2524213B1 publication Critical patent/FR2524213B1/fr
Expired 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
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • 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
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
    • B23K26/0643—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising mirrors
    • 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
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
    • 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
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/0604—Shaping the laser beam, e.g. by masks or multi-focusing by a combination of beams
    • 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
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
    • B23K26/0648—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising lenses
    • 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
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/0665—Shaping the laser beam, e.g. by masks or multi-focusing by beam condensation on the workpiece, e.g. for focusing
    • 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
    • G02B26/04—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light by periodically varying the intensity of light, e.g. using choppers

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Laser Beam Processing (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Lasers (AREA)
FR8304971A 1982-03-25 1983-03-25 Procede et appareil de modulation d'un faisceau laser Expired FR2524213B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57046343A JPS58163912A (ja) 1982-03-25 1982-03-25 レーザビーム変調装置

Publications (2)

Publication Number Publication Date
FR2524213A1 FR2524213A1 (fr) 1983-09-30
FR2524213B1 true FR2524213B1 (fr) 1988-02-19

Family

ID=12744488

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8304971A Expired FR2524213B1 (fr) 1982-03-25 1983-03-25 Procede et appareil de modulation d'un faisceau laser

Country Status (11)

Country Link
US (1) US4581515A (fr)
JP (1) JPS58163912A (fr)
KR (1) KR910003464B1 (fr)
AU (1) AU560147B2 (fr)
CA (1) CA1250461A (fr)
CH (1) CH658944A5 (fr)
DE (1) DE3310627A1 (fr)
FR (1) FR2524213B1 (fr)
GB (1) GB2117533B (fr)
IT (1) IT1167086B (fr)
SE (1) SE461493B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60223691A (ja) * 1984-04-20 1985-11-08 アマダ　エンジニアリング　アンド　サ−ビス　カンパニ−　インコ−ポレ−テツド レ−ザビ−ムの分配方法及び装置
FR2665093B1 (fr) * 1990-07-25 1995-02-17 Peugeot Dispositif d'obturation d'un faisceau devant frapper par intermittence un point determine.
DE4341578C2 (de) * 1993-12-07 1995-11-09 Goerlitz Waggonbau Gmbh Rotationslaser zur Vermessung der Rechtwinkligkeit von Großbauteilen
IT1285594B1 (it) * 1996-03-06 1998-06-18 Doriano Ciscato Dispositivo collimatore per radioterapia
US6559999B2 (en) 2001-06-25 2003-05-06 Electrophysics Corp. System for modulating radiation using two rotating discs
US6850351B1 (en) 2003-02-20 2005-02-01 Team Specialty Products Corp. Method and apparatus for ultra-fast aperture exposure
EP1462206A1 (fr) * 2003-03-26 2004-09-29 Lasag Ag dispositif laser pour percer des trous dans des composants d'un dispositif d'injection d'un fluide
US7697060B2 (en) 2006-01-30 2010-04-13 Radiant Imaging, Inc. Rotary shutter assemblies for imaging photometers and methods for using such shutter assemblies

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3435213A (en) * 1965-07-19 1969-03-25 Bell Telephone Labor Inc Light modulator using light choppers
US3659613A (en) * 1969-06-30 1972-05-02 American Optical Corp Laser accessory for surgical application
JPS49974U (fr) * 1972-04-07 1974-01-07
US4202602A (en) * 1973-12-03 1980-05-13 Ismael Torres Multi-angular radiant energy modulator
US3942878A (en) * 1974-08-05 1976-03-09 Caterpillar Tractor Co. Apparatus for modulating a high energy beam
JPS528838A (en) * 1975-07-10 1977-01-24 Agency Of Ind Science & Technol Light attenuator
JPS5264959A (en) * 1975-11-25 1977-05-28 Atsunori Miyamura Distance conversion apparatus with photoelectric method
US4118619A (en) * 1977-08-02 1978-10-03 R. J. Reynolds Tobacco Company Rotary beam chopper and scanning system
US4165919A (en) * 1977-08-09 1979-08-28 Little Robert T Adjustable optical filter
GB2022492B (en) * 1978-06-07 1982-06-09 Philip Morris Inc Method and apparatus for perforation of sheet material by laser
JPS5511142A (en) * 1978-07-07 1980-01-25 Sumitomo Metal Ind Ltd Heat-treating method for surface of steel product with laser beam
FI68547C (fi) * 1978-08-10 1985-10-10 Philip Morris Inc Foerfarande och anordning foer perforering av ett i ett transportplan avancerande skivmaterial medelst ett straolknippe avjusenergi
FR2437008B1 (fr) * 1978-09-20 1985-06-28 Philip Morris Inc Appareil de production de faisceaux lumineux pulses
US4218606A (en) * 1978-10-03 1980-08-19 Olin Corporation Apparatus for perforating webs with high intensity, coherent radiation
DE2933700C2 (de) * 1979-08-21 1984-04-19 C. Behrens Ag, 3220 Alfeld Werkzeugmaschine mit als Laser-Schneideinrichtung ausgebildeter Schmelzschneideinrichtung
US4311360A (en) * 1980-04-07 1982-01-19 Rockwell International Corporation Laser beam power multiplication
AU7403581A (en) * 1980-08-24 1982-03-04 Philip Morris Incorporated Multiple optical beam generation
CH637862A5 (fr) * 1980-10-23 1983-08-31 Raskin Sa Machine a decouper un materiau en feuille.
CH638124A5 (fr) * 1980-10-23 1983-09-15 Raskin Sa Machine a decouper un materiau en feuille.
AU550708B2 (en) * 1981-02-06 1986-04-10 Amada Company Limited Dust collecting apparatus for cutting machine
LU83535A1 (fr) * 1981-08-06 1983-06-08 Centre Rech Metallurgique Procede pour moduler un faisceau laser

Also Published As

Publication number Publication date
SE8301642L (sv) 1983-09-26
AU1254683A (en) 1983-09-29
SE461493B (sv) 1990-02-19
GB2117533B (en) 1985-09-18
KR840004313A (ko) 1984-10-10
GB8308116D0 (en) 1983-05-05
US4581515A (en) 1986-04-08
FR2524213A1 (fr) 1983-09-30
JPS58163912A (ja) 1983-09-28
CA1250461A (fr) 1989-02-28
IT1167086B (it) 1987-05-06
GB2117533A (en) 1983-10-12
DE3310627A1 (de) 1983-10-06
IT8347979A0 (it) 1983-03-24
CH658944A5 (de) 1986-12-15
SE8301642D0 (sv) 1983-03-24
AU560147B2 (en) 1987-04-02
JPS6318168B2 (fr) 1988-04-18
KR910003464B1 (ko) 1991-05-31

Similar Documents

Publication Publication Date Title
GB2089105B (en) Method and apparatus for frequencydoubling a laser beam
FR2521777B1 (fr) Procede et appareil de balayage par un faisceau pour l'implantation ionique
DE2960545D1 (en) Optical device for and method of amplitude modulation of light beam
DE3379553D1 (en) Laser source apparatus
JPS57206590A (en) Blowout method and blowout device using laser beam
JPS5550423A (en) Heat treating method and apparatus by laser beam
BE874570A (fr) Procede et appareillage pour la transmission d'information par des faisceaux en eventail effectuant un balayage
FR2439677B1 (fr) Procede et appareil d'enregistrement d'informations fixes et variables
FR2534090B1 (fr) Procede et appareil de compensation pour un attenuateur en rc
FR2625124B1 (fr) Procede et dispositif de soudage par faisceau laser
FR2536873B1 (fr) Appareil et procede d'exposition
JPS5650088A (en) Method and device for modulating light
FR2524213B1 (fr) Procede et appareil de modulation d'un faisceau laser
GB8329645D0 (en) Laser irradiating apparatus
FR2520522B1 (fr) Appareil et procede d'holographie a multiplication de phase
FR2544572B1 (fr) Appareil d'enregistrement a faisceau laser
FR2602444B1 (fr) Procede et appareil de reglage d'une atmosphere de soudage
FR2530878B1 (fr) Procede pour moduler un faisceau laser
BE896542A (fr) Appareillage et procede de soudage par friction
DE3480358D1 (en) Method and apparatus for light beam scanning using a hologram
FR2533155B1 (fr) Appareil et procede de soudage en bout par etincelage
FR2553251B1 (fr) Procede et appareil pour l'epandage d'engrais
FR2538798B1 (fr) Procede et appareil pour l'epissure de files
FR2546271B1 (fr) Procede et dispositif pour la coloration d'un faisceau lumineux
FR2494934B1 (fr) Procede et appareil d'edition d'un signal a modulation d'impulsions codees

Legal Events

Date Code Title Description
ST Notification of lapse