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Proceedings Paper

Propagation focus repetitively pulsed laser radiation in gas-aerosol atmosphere
Author(s): A. G. Ponomarenko; G. N. Grachev; A. A. Zemlyanov; A. A. Pavlov; V. N. Tischenko; A. M. Kabanov; V. A. Pogodaev; J. E. Geynts; A. L. Smirnov; A. A. Pavlov; A. V. Petrov; P. A. Pinaev; P. A. Statsenko
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Paper Abstract

The results of laboratory and numerical experiments on propagation of focused intense pulse-periodic and continuous CO2-laser radiation in the absorbing gas and aerosol media are presented. It is established that focal waist of a laser beam is characterized by reduced heat release that is associated with absorption saturation. It is shown that increase of pulse repetition frequency in a train decreases effect of optical breakdown on path transparence since under the condition of constant mean radiation power peak intensity in each pulse decreases and probability of breakdown onset is reduced.

Paper Details

Date Published: 25 November 2014
PDF: 4 pages
Proc. SPIE 9292, 20th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 92921X (25 November 2014); doi: 10.1117/12.2075969
Show Author Affiliations
A. G. Ponomarenko, Institute of Laser Physics (Russian Federation)
G. N. Grachev, Institute of Laser Physics (Russian Federation)
A. A. Zemlyanov, Institute of Atmospheric Optics (Russian Federation)
A. A. Pavlov, Institute of Theoretical and Applied Mechanics (Russian Federation)
V. N. Tischenko, Institute of Laser Physics (Russian Federation)
A. M. Kabanov, Institute of Atmospheric Optics (Russian Federation)
V. A. Pogodaev, Institute of Atmospheric Optics (Russian Federation)
J. E. Geynts, Institute of Atmospheric Optics (Russian Federation)
A. L. Smirnov, Institute of Laser Physics (Russian Federation)
A. A. Pavlov, Institute of Theoretical and Applied Mechanics (Russian Federation)
A. V. Petrov, Institute of Atmospheric Optics (Russian Federation)
P. A. Pinaev, Institute of Laser Physics (Russian Federation)
P. A. Statsenko, Institute of Laser Physics (Russian Federation)


Published in SPIE Proceedings Vol. 9292:
20th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics
Oleg A. Romanovskii, Editor(s)

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