FR2701227B1 - Device for fading a laser beam. - Google Patents

Device for fading a laser beam.

Info

Publication number
FR2701227B1
FR2701227B1 FR9301337A FR9301337A FR2701227B1 FR 2701227 B1 FR2701227 B1 FR 2701227B1 FR 9301337 A FR9301337 A FR 9301337A FR 9301337 A FR9301337 A FR 9301337A FR 2701227 B1 FR2701227 B1 FR 2701227B1
Authority
FR
France
Prior art keywords
fading
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 - Fee Related
Application number
FR9301337A
Other languages
French (fr)
Other versions
FR2701227A1 (en
Inventor
Guy Alain Antoine Michelet
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.)
ALPHATECH IND
Original Assignee
ALPHATECH IND
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 ALPHATECH IND filed Critical ALPHATECH IND
Priority to FR9301337A priority Critical patent/FR2701227B1/en
Publication of FR2701227A1 publication Critical patent/FR2701227A1/en
Application granted granted Critical
Publication of FR2701227B1 publication Critical patent/FR2701227B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • B23K26/066—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms by using masks
FR9301337A 1993-02-08 1993-02-08 Device for fading a laser beam. Expired - Fee Related FR2701227B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9301337A FR2701227B1 (en) 1993-02-08 1993-02-08 Device for fading a laser beam.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9301337A FR2701227B1 (en) 1993-02-08 1993-02-08 Device for fading a laser beam.

Publications (2)

Publication Number Publication Date
FR2701227A1 FR2701227A1 (en) 1994-08-12
FR2701227B1 true FR2701227B1 (en) 1997-04-11

Family

ID=9443816

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9301337A Expired - Fee Related FR2701227B1 (en) 1993-02-08 1993-02-08 Device for fading a laser beam.

Country Status (1)

Country Link
FR (1) FR2701227B1 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3619037A (en) * 1968-09-19 1971-11-09 Trw Inc A laser beam shutter including a heat sink
US3724930A (en) * 1972-07-21 1973-04-03 Us Air Force Method of forming and cooling pinhole spatial filter for high power laser
US4315147A (en) * 1980-02-15 1982-02-09 Battelle Memorial Institute Photoelectric switch with visible signal
JPS60119502A (en) * 1983-12-01 1985-06-27 Mitsubishi Electric Corp Laser output absorbing device
DE3447316C1 (en) * 1984-12-24 1986-02-13 Dornier System Gmbh, 7990 Friedrichshafen Device for interrupting a laser beam
US4719342A (en) * 1986-07-09 1988-01-12 Hughes Aircraft Company Electromagnetic energy diversion device wherein pellicle oblates responsive to very strong power density
US4747673A (en) * 1987-06-01 1988-05-31 The United States Of America As Represented By The Secretary Of The Navy High power optical attenuator
DE3918197A1 (en) * 1989-06-03 1990-12-13 Deutsche Forsch Luft Raumfahrt REDUCER FOR A LASER BEAM

Also Published As

Publication number Publication date
FR2701227A1 (en) 1994-08-12

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FR2701227B1 (en) Device for fading a laser beam.

Legal Events

Date Code Title Description
ST Notification of lapse