FR1585293A - - Google Patents

Info

Publication number
FR1585293A
FR1585293A FR168132A FR1585293DA FR1585293A FR 1585293 A FR1585293 A FR 1585293A FR 168132 A FR168132 A FR 168132A FR 1585293D A FR1585293D A FR 1585293DA FR 1585293 A FR1585293 A FR 1585293A
Authority
FR
France
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
FR168132A
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1585293A publication Critical patent/FR1585293A/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
    • H01S3/23—Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media
    • H01S3/2383—Parallel arrangements
    • 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
    • B23K26/0619—Shaping the laser beam, e.g. by masks or multi-focusing by a combination of beams with spots located on opposed surfaces of the workpiece
    • 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
    • B23K26/067—Dividing the beam into multiple beams, e.g. multifocusing
    • 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
    • H01S3/0064—Anti-reflection devices, e.g. optical isolaters
    • 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
    • H01S3/23—Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media
    • H01S3/2308—Amplifier arrangements, e.g. MOPA

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Lasers (AREA)
FR168132A 1968-09-30 1968-09-30 Expired FR1585293A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR168132 1968-09-30

Publications (1)

Publication Number Publication Date
FR1585293A true FR1585293A (en) 1970-01-16

Family

ID=8655080

Family Applications (1)

Application Number Title Priority Date Filing Date
FR168132A Expired FR1585293A (en) 1968-09-30 1968-09-30

Country Status (4)

Country Link
BE (1) BE738863A (en)
DE (1) DE1948344A1 (en)
FR (1) FR1585293A (en)
NL (1) NL6914539A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2181000A1 (en) * 1972-04-20 1973-11-30 Pierres Holding Sa
DE2248370A1 (en) * 1972-10-03 1974-04-11 Siemens Ag OPTICAL INTERAMPLIFIER FOR A MESSAGE TRANSMISSION SYSTEM
US4069458A (en) * 1975-01-15 1978-01-17 Compagnie General D'electricite Power laser chain
DE2945466A1 (en) * 1979-11-10 1981-05-27 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt STRIP DIODE LASER WITH NON-REACTIVE FIBER OUTPUT
DE3114815A1 (en) * 1981-04-11 1982-10-21 Eltro GmbH, Gesellschaft für Strahlungstechnik, 6900 Heidelberg LASER DEVICE

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9309006D0 (en) * 1993-04-30 1993-06-16 Laser Ecosse Ltd High power laser amplifier
EP1640105A1 (en) * 2004-09-28 2006-03-29 Trumpf Werkzeugmaschinen GmbH + Co. KG Process for laser welding

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2181000A1 (en) * 1972-04-20 1973-11-30 Pierres Holding Sa
DE2248370A1 (en) * 1972-10-03 1974-04-11 Siemens Ag OPTICAL INTERAMPLIFIER FOR A MESSAGE TRANSMISSION SYSTEM
US4069458A (en) * 1975-01-15 1978-01-17 Compagnie General D'electricite Power laser chain
DE2945466A1 (en) * 1979-11-10 1981-05-27 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt STRIP DIODE LASER WITH NON-REACTIVE FIBER OUTPUT
DE3114815A1 (en) * 1981-04-11 1982-10-21 Eltro GmbH, Gesellschaft für Strahlungstechnik, 6900 Heidelberg LASER DEVICE

Also Published As

Publication number Publication date
DE1948344A1 (en) 1970-04-23
BE738863A (en) 1970-02-16
DE1948344B2 (en) 1970-10-08
NL6914539A (en) 1970-04-01

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Legal Events

Date Code Title Description
ST Notification of lapse