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Proceedings Paper

Heterodyne diagnostics by Doppler signal of backscattering of near-surface flows induced by intense laser radiation
Author(s): E. M. Chastookhin; V. D. Dubrov; Vyacheslav M. Gordienko; Alexei Konovalov; Nikolay N. Kurochkin; Vladislav Ya. Panchenko; Iouri Yuri Poutivski; V. I. Savin
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Paper Abstract

A procedure of operational inspection of laser technological processes has been suggested that is based on measuring spectral properties of Doppler signal of backscattering from the interaction region by optical heterodyne technique. The technique enables us to obtain the qualitative and quantitative information on hydrodynamic flows in reactor. The measurements have been performed with about 1 kW/cm2 beam intensity of continuous-wave carbon- dioxide laser at the surface of a number of condensed substances by monostatic scheme of interaction.

Paper Details

Date Published: 1 March 1996
PDF: 5 pages
Proc. SPIE 2713, Fifth International Conference on Industrial Lasers and Laser Applications '95, (1 March 1996); doi: 10.1117/12.234239
Show Author Affiliations
E. M. Chastookhin, Scientific Research Ctr. for Technological Lasers (Russia)
V. D. Dubrov, Scientific Research Ctr. for Technological Lasers (Russia)
Vyacheslav M. Gordienko, Moscow State Univ. (Russia)
Alexei Konovalov, Scientific Research Ctr. for Technological Lasers (United States)
Nikolay N. Kurochkin, Moscow State Univ. (Russia)
Vladislav Ya. Panchenko, Scientific Research Ctr. for Technological Lasers (Russia)
Iouri Yuri Poutivski, Scientific Research Ctr. for Technological Lasers (United States)
V. I. Savin, NPO Istok (Russia)


Published in SPIE Proceedings Vol. 2713:
Fifth International Conference on Industrial Lasers and Laser Applications '95
Vladislav Ya. Panchenko; Vladimir S. Golubev, Editor(s)

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