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Aerogel foil plasma: Forward scattering, back scattering, and transmission of laser radiation

Published online by Cambridge University Press:  11 June 2010

A.N. Starodub ,
N.G. Borisenko ,
A.A. Fronya ,
Yu.A. Merkuliev ,
M.V. Osipov ,
V.N. Puzyrev ,
A.T. Sahakyan ,
B.L. Vasin  and
O.F. Yakushev
A.N. Starodub*
Affiliation:
P.N. Lebedev Physical Institute of the RAS, Moscow, Russia
N.G. Borisenko
Affiliation:
P.N. Lebedev Physical Institute of the RAS, Moscow, Russia
A.A. Fronya
Affiliation:
P.N. Lebedev Physical Institute of the RAS, Moscow, Russia
Yu.A. Merkuliev
Affiliation:
P.N. Lebedev Physical Institute of the RAS, Moscow, Russia
M.V. Osipov
Affiliation:
P.N. Lebedev Physical Institute of the RAS, Moscow, Russia
V.N. Puzyrev
Affiliation:
P.N. Lebedev Physical Institute of the RAS, Moscow, Russia
A.T. Sahakyan
Affiliation:
P.N. Lebedev Physical Institute of the RAS, Moscow, Russia
B.L. Vasin
Affiliation:
P.N. Lebedev Physical Institute of the RAS, Moscow, Russia
O.F. Yakushev
Affiliation:
P.N. Lebedev Physical Institute of the RAS, Moscow, Russia
*
Address correspondence and reprint requests to: Starodub Alexander, P.N. Lebedev Physical Institute of the RAS, 119991, Leninskiy prospect 53, Moscow, Russia. E-mail: [email protected]
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Abstract

Experimental results obtained with “Kanal-2” facility under the study of powerful laser pulse interaction with the low density microstructure media are presented and discussed in this paper. Forward scattering, back scattering, and transmission of laser radiation by aerogel foil plasma have been investigated. The temporal, spectral, and energy characteristics of both the radiation scattering in the direction of heating radiation beam and the back scattering radiation were studied; the directional diagrams of forward and back scattering radiation were obtained for ω0 and 2ω0 frequencies. Analysis of intensity redistribution on the heating beam cross-section after passing through a polymer microstructure target was carried out.

Keywords

Aerogel foilFoam targetLaser radiation absorptionLaser-plasma interactionNonlinear transparencySmoothingTransmission and scattering
Type
Research Article
Information
Laser and Particle Beams , Volume 28 , Issue 3 , September 2010 , pp. 371 - 375
Copyright
Copyright © Cambridge University Press 2010

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