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Guiding and amplification of microwave radiation in a plasma channel created in gas by intense ultraviolet laser pulse

Published online by Cambridge University Press:  24 November 2014

A. V. Bogatskaya ,
I. V. Smetanin ,
E. A. Volkova  and
A. M. Popov
A. V. Bogatskaya
Affiliation:
Department of Physics, Moscow State University, Moscow, Russia D. V. Skobeltsyn Institute of Nuclear Physics, Moscow State University, Moscow, Russia P. N. Lebedev Physical Institute, RAS, Moscow, Russia
I. V. Smetanin
Affiliation:
P. N. Lebedev Physical Institute, RAS, Moscow, Russia
E. A. Volkova
Affiliation:
D. V. Skobeltsyn Institute of Nuclear Physics, Moscow State University, Moscow, Russia
A. M. Popov*
Affiliation:
Department of Physics, Moscow State University, Moscow, Russia D. V. Skobeltsyn Institute of Nuclear Physics, Moscow State University, Moscow, Russia P. N. Lebedev Physical Institute, RAS, Moscow, Russia
*
Address correspondence and reprint requests to: Alexander Popov, Skobeltsyn Institute of Nuclear Physics, Moscow State University, 119991 Moscow, Russia. E-mail: alexander.m.popov@gmail.com
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Abstract

The evolution of non-equilibrium plasma channel created in xenon by powerful KrF-femtosecond laser pulse is studied. It is demonstrated that such a plasma channel can be used as a waveguide for both transportation and amplification of the microwave radiation. The specific features of such a plasma waveguide are studied on the basis of the self-consistent solution of the kinetic Boltzmann equation for the electron energy distribution function in different spatial points of the gas media and the wave equation in slow-varying amplitude approximation for the microwave radiation guided and amplified in the channel.

Keywords

Electron energy distribution functionMulti-photon ionizationNon-equilibrium plasmaNumerical modelingPlasma waveguides
Type
Research Article
Information
Laser and Particle Beams , Volume 33 , Issue 1 , March 2015 , pp. 17 - 25
Copyright
Copyright © Cambridge University Press 2014 

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