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Proceedings Paper

Small-signal gain and kinetic processes on highly excited vibrational levels in active medium of pulsed first-overtone CO laser
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Paper Abstract

Temporal behavior of small signal gain (SSG) for a frequency tunable first-overtone CO laser has been studied both experimentally and theoretically. The laser operates on highly excited vibrational transitions from 20→18 up to 38→36 that correspond to laser wavelength range between ~3 and 4 microns coinciding to atmospheric 'transparency window'. Maximum SSG comes up to 0.4 m-1. It is shown that multiquamtum and asymmetric VV exchange has to be taken into account when analyzing processes of population formation on high vibrational transition.

Paper Details

Date Published: 13 September 2002
PDF: 8 pages
Proc. SPIE 4760, High-Power Laser Ablation IV, (13 September 2002); doi: 10.1117/12.482068
Show Author Affiliations
Andrei A. Ionin, P.N. Lebedev Physical Institute (Russia)
Andrei A. Kotkov, P.N. Lebedev Physical Institute (Russia)
Yurii M. Klimachev, P.N. Lebedev Physical Institute (Russia)
Leonid V. Seleznev, P.N. Lebedev Physical Institute (Russia)
Dmitrii V. Sinitsyn, P.N. Lebedev Physical Institute (Russia)
Alexander K. Kurnosov, Troitsk Institute for Innovation and Fusion Research (Russia)
Anatoly P. Napartovich, Troitsk Institute for Innovation and Fusion Research (Russia)
Sergei Shnyrev, Troitsk Institute for Innovation and Fusion Research (Russia)
Gordon D. Hager, Air Force Research Lab. (United States)
John E. McCord, Air Force Research Lab. (United States)

Published in SPIE Proceedings Vol. 4760:
High-Power Laser Ablation IV
Claude R. Phipps, Editor(s)

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