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Proceedings Paper

Beam quality of a high-power CO2 laser with an unstable resonator and a variable-reflectivity mirror
Author(s): Michail G. Galushkin; Vladimir P. Yakunin; Vadim V. Samarkin; Valentina Ye. Zavalova
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Paper Abstract

The beam characteristics of the 2.4 kW industrial CO2 laser with the continuous current discharge and transverse gas flow have been studied depending on the main parameters of the telescopic resonator with the convex variable reflectivity mirror. The three-fold reduction of the beam divergence and the power decease only by 15 percent in comparison with the conventional stable resonator were obtained. Besides, the high degree of matching of the parameters of optical resonator and gas discharge chamber was reached.

Paper Details

Date Published: 20 January 1999
PDF: 6 pages
Proc. SPIE 3688, 6th International Conference on Industrial Lasers and Laser Applications '98, (20 January 1999); doi: 10.1117/12.337553
Show Author Affiliations
Michail G. Galushkin, NICTL--Laser Research Ctr. (Russia)
Vladimir P. Yakunin, NICTL--Laser Research Ctr. (Russia)
Vadim V. Samarkin, NICTL--Laser Research Ctr. (Russia)
Valentina Ye. Zavalova, NICTL--Laser Research Ctr. (Russia)

Published in SPIE Proceedings Vol. 3688:
6th International Conference on Industrial Lasers and Laser Applications '98

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