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GB2022913B - Stabilising laser radiation - Google Patents

Stabilising laser radiation

Info

Publication number
GB2022913B
GB2022913B GB7913903A GB7913903A GB2022913B GB 2022913 B GB2022913 B GB 2022913B GB 7913903 A GB7913903 A GB 7913903A GB 7913903 A GB7913903 A GB 7913903A GB 2022913 B GB2022913 B GB 2022913B
Authority
GB
United Kingdom
Prior art keywords
stabilising
laser radiation
radiation
laser
stabilising 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
GB7913903A
Other versions
GB2022913A (en
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.)
Kombinat Feinmechanische Werke Halle Veb
Original Assignee
Kombinat Feinmechanische Werke Halle Veb
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 Kombinat Feinmechanische Werke Halle Veb filed Critical Kombinat Feinmechanische Werke Halle Veb
Publication of GB2022913A publication Critical patent/GB2022913A/en
Application granted granted Critical
Publication of GB2022913B publication Critical patent/GB2022913B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • 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
    • B23K26/03—Observing, e.g. monitoring, 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
    • B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
    • 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
    • B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
    • B23K26/1462—Nozzles; Features related to nozzles
    • B23K26/1464—Supply to, or discharge from, nozzles of media, e.g. gas, powder, wire
    • B23K26/1476—Features inside the nozzle for feeding the fluid stream through the nozzle
    • 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
    • B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
    • B23K26/1462—Nozzles; Features related to nozzles
    • B23K26/1488—Means for protecting nozzles, e.g. the tip surface
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Laser Beam Processing (AREA)
  • Lasers (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
GB7913903A 1978-04-20 1979-04-20 Stabilising laser radiation Expired GB2022913B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD78204920A DD143383A3 (en) 1978-04-20 1978-04-20 ARRANGEMENT FOR STABILIZING A LASER RADIATION

Publications (2)

Publication Number Publication Date
GB2022913A GB2022913A (en) 1979-12-19
GB2022913B true GB2022913B (en) 1982-08-11

Family

ID=5512315

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7913903A Expired GB2022913B (en) 1978-04-20 1979-04-20 Stabilising laser radiation

Country Status (4)

Country Link
CS (1) CS217425B1 (en)
DD (1) DD143383A3 (en)
DE (1) DE2914216A1 (en)
GB (1) GB2022913B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD256440A3 (en) * 1986-01-09 1988-05-11 Halle Feinmech Werke Veb ARRANGEMENT FOR SHAFT ALIGNMENT AND INTERNAL POWER MODULATION OF THE RADIATION OF HIGH-PERFORMANCE CO 2 LASERS
DE3623409A1 (en) * 1986-07-11 1988-01-21 Bias Forschung & Entwicklung METHOD FOR MONITORING THE MACHINING PROCESS WITH A HIGH-PERFORMANCE ENERGY SOURCE, IN PARTICULAR A LASER, AND MACHINING OPTICS FOR IMPLEMENTING THE SAME

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1564581C3 (en) * 1966-04-27 1973-11-29 Siemens Ag, 1000 Berlin U. 8000 Muenchen Arrangement for amplitude stabilization of a laser

Also Published As

Publication number Publication date
CS217425B1 (en) 1983-01-28
DE2914216A1 (en) 1979-10-31
DE2914216C2 (en) 1989-06-22
DD143383A3 (en) 1980-08-20
GB2022913A (en) 1979-12-19

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee