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Proceedings Paper

Influence of nonuniformity of active medium of a long-pulse electric discharge XeCl amplifier on radiation divergence
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Paper Abstract

Influence of active medium non-uniformity of 300 ns pulse pump electric discharge XeCl laser on divergence of amplified radiation has been investigated. It was shown that in case of 100 - 200 kW/cm3 pump power the laser active media allows to amplify the diffraction limited laser beam practically without distortion. In case of 400 - 500 kW/cm3 pump power after 120 ns of discharge burning the micro- and macro-inhomogeneities appeared. These inhomogeneities increased the amplified radiation divergence. It was established that basic reason of a divergence degeneration was inhomogenity of gain profile in active medium. In our case amplification increased when the macro-inhomogeneities developed and the absorption increased when the micro- inhomogeneities developed in local regions of active medium.

Paper Details

Date Published: 26 March 2002
PDF: 6 pages
Proc. SPIE 4747, International Conference on Atomic and Molecular Pulsed Lasers IV, (26 March 2002); doi: 10.1117/12.460157
Show Author Affiliations
Valery F. Losev, Institute of High Current Electronics (Russia)
Yury N. Panchenko, Institute of High Current Electronics (Russia)

Published in SPIE Proceedings Vol. 4747:
International Conference on Atomic and Molecular Pulsed Lasers IV
Victor F. Tarasenko; Georgy V. Mayer; Gueorgii G. Petrash, Editor(s)

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