CS217425B1 - Apparatus for stabilizing laser radiation - Google Patents

Apparatus for stabilizing laser radiation Download PDF

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Publication number
CS217425B1
CS217425B1 CS792563A CS256379A CS217425B1 CS 217425 B1 CS217425 B1 CS 217425B1 CS 792563 A CS792563 A CS 792563A CS 256379 A CS256379 A CS 256379A CS 217425 B1 CS217425 B1 CS 217425B1
Authority
CS
Czechoslovakia
Prior art keywords
jiyna
deflecting
laser radiation
transducer
laser
Prior art date
Application number
CS792563A
Other languages
English (en)
Inventor
Manfred Poehler
Giesbert Staupemdahl
Fritz Echtermeyer
Bertram Hurek
Original Assignee
Manfred Poehler
Giesbert Staupemdahl
Fritz Echtermeyer
Bertram Hurek
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.)
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Publication date
Application filed by Manfred Poehler, Giesbert Staupemdahl, Fritz Echtermeyer, Bertram Hurek filed Critical Manfred Poehler
Publication of CS217425B1 publication Critical patent/CS217425B1/cs

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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)

Description

* 1-- 217 425
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Ha npoaraeMHX nepTeatax noKa3aHH:
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AHHOTAW ΗδοόρθΤθΗΗθ KacaeTGH ycTpoficTBa jyw CTaómiK3siw jiaeepHoronehyne mra, npeHMymecTBeHHO npn iq>emi3HOHHOž oÓpaÓoTKe MaTe-pnazroB.
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PaccnHTaHHHt jyra οτκλοηθηηη jra3epHoro Jiyna Ha yroji ot 70° £0110° otkjiohhwiS nejfflTejEE. Jiyna I, Η3γοτοβλόηηηη, HanpHMep, H3 repMamra, c yrjioM KJOHHa 16 ot 8° £0 15° Me^ny ilhockoh npoc-BeTjieHHoS OTpaararanefi noBepxHOCTLio 20 η ηροβκιχΗΟΗΗοΙ hjiockoc-tbd 17, oÓpasoBaHHoS OTOópa^aiamefi noBepxHOCTBio 15, rapaHTHpyeTóe3oinHÓOHHoe onpeseJieHne HSMepHTejiBHoro Jiyna 7 ΗθοΜοτρπ HacymecTBOBaHne oópaTHoro H3jiyHeHira 14. CzrHaJi, onpejtejieHHHH jíe-ΤΘΚΤΟρΟΜ 8, HBJIHeTCH n03T0My φθΚΤΗΉβΟΚΗΜ 3ΗΗΉ6ΗΗΘΜ peryJIHpO-ΒΘΗΗΗ. - Φζτ. I. -

Claims (1)

  1. 217 425 PŘEDMĚT VYNÁLEZU Zařízení pro stabilizaci laserového záření, zejménapro přesné obrábění materiálu, s použitím odchylujícíhoděliče paprsku z materiálu, průzračného pro záření asystému regulování pomocí napájecího bloku laseru přesdetektor, měnič a zařízení pro porovnávání zadané hod-noty se skutečnou hodnotou, vyznačující se tím, že od-chylující dělič paprsku (1) vyrobený převážně z germaniapro odchýlení laserového paprsku o úhel od 70° až do 110°má úhel (16) klínu mezi projekční rovinou (17), za kte-rou je vytvořena lámavá plocha (15), a plochým světloodrážejícím povrchem (20) od 8° až do 15°, přičemž de-tektor (8) je umístěn za lámavou plochou (15) v krytu(19). Uznáno vynálezem na základě výsledků expertizy, provede-né tfřddem pro vynálezectví a patentnictví, Berlín, DD 2 výkresy
CS792563A 1978-04-20 1979-04-13 Apparatus for stabilizing laser radiation CS217425B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD78204920A DD143383A3 (de) 1978-04-20 1978-04-20 Anordnung zur stabilisierung einer laserstrahlung

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CS217425B1 true CS217425B1 (en) 1983-01-28

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CS792563A CS217425B1 (en) 1978-04-20 1979-04-13 Apparatus for stabilizing laser radiation

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DD (1) DD143383A3 (cs)
DE (1) DE2914216A1 (cs)
GB (1) GB2022913B (cs)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD256440A3 (de) * 1986-01-09 1988-05-11 Halle Feinmech Werke Veb Anordnung zur wellenlaengenselektion und internen leistungsmodulation der strahlung von hochleistungs-co tief 2-lasern
DE3623409A1 (de) * 1986-07-11 1988-01-21 Bias Forschung & Entwicklung Verfahren zur ueberwachung des bearbeitungsprozesses mit einer hochleistungsenergiequelle, insbesondere einem laser, und bearbeitungsoptik zur durchfuehrung desselben

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1564581C3 (de) * 1966-04-27 1973-11-29 Siemens Ag, 1000 Berlin U. 8000 Muenchen Anordnung zur Amplitudenstabihsie rung eines Lasers

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DE2914216C2 (cs) 1989-06-22
DE2914216A1 (de) 1979-10-31
GB2022913B (en) 1982-08-11
DD143383A3 (de) 1980-08-20
GB2022913A (en) 1979-12-19

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