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Proceedings Paper

Comparison of welding results with stable and unstable resonators
Author(s): Joachim Franek; Keming Du; Silke Pflueger; Ralf Imhoff; Peter Loosen
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Paper Abstract

In order to compare welding performance of stable and unstable resonators an industrial axial-flow CO2 -laser in the 5 kW range has been operated with two stable and one unstable resonator at 5 kW. Along with a beam diagnostic analysis of the beam quality benchmark welding tests have been carried out. The results show, that for stable resonators the beam quality is a measure of the welding performance. However the unstable resonator shows considerable higher welding depth as predicted by beam quality dependency found for stable resonators.

Paper Details

Date Published: 1 February 1991
PDF: 5 pages
Proc. SPIE 1397, 8th Intl Symp on Gas Flow and Chemical Lasers, (1 February 1991); doi: 10.1117/12.26010
Show Author Affiliations
Joachim Franek, Fraunhofer-Institut fuer Lasertechnik (Germany)
Keming Du, Fraunhofer-Institut fuer Lasertechnik (Germany)
Silke Pflueger, Fraunhofer-Institut fuer Lasertechnik (Germany)
Ralf Imhoff, Fraunhofer-Institut fuer Lasertechnik (Germany)
Peter Loosen, Fraunhofer-Institut fuer Lasertechnik (Germany)


Published in SPIE Proceedings Vol. 1397:
8th Intl Symp on Gas Flow and Chemical Lasers
Concepcion Maroto Domingo; Jose M. Orza, Editor(s)

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