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Proceedings Paper

Instability of the vapor-gas cavity in processes of laser beam deep penetration into a condensed medium
Author(s): F. Kh. Mirzoyev
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Paper Abstract

A theoretical model describing the dynamic behavior of the gas-vapor cavity (GVC) in the processes of laser beam deep penetration into condensed medium is presented. Non- equilibrium evaporation from the channel surface, non- stationary hydrodynamical processes and heat conduction in the melt are considered. Linear stability analysis of the GVC shape is performed. The conditions of a cavity instability and their relations with materials and irradiation properties were obtained. The frequencies of the cavity oscillations are calculated.

Paper Details

Date Published: 20 January 1999
PDF: 5 pages
Proc. SPIE 3688, 6th International Conference on Industrial Lasers and Laser Applications '98, (20 January 1999); doi: 10.1117/12.337497
Show Author Affiliations
F. Kh. Mirzoyev, NICTL--Laser Research Ctr. (Russia)


Published in SPIE Proceedings Vol. 3688:
6th International Conference on Industrial Lasers and Laser Applications '98
Vladislav Ya. Panchenko; Vladimir S. Golubev, Editor(s)

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