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Physical processes in laser interaction with porous low-density materials

Published online by Cambridge University Press:  18 September 2008

N.G. Borisenko
Affiliation:
P.N. Lebedev Physical Institute of RAS, Moscow, Russia
A.E. Bugrov
Affiliation:
Troitsk Institute for Innovation and Fusion Research, Troitsk, Moscow, Russia
I.N. Burdonskiy
Affiliation:
Troitsk Institute for Innovation and Fusion Research, Troitsk, Moscow, Russia
I.K. Fasakhov
Affiliation:
Troitsk Institute for Innovation and Fusion Research, Troitsk, Moscow, Russia
V.V. Gavrilov*
Affiliation:
Troitsk Institute for Innovation and Fusion Research, Troitsk, Moscow, Russia
A.Yu. Goltsov
Affiliation:
Troitsk Institute for Innovation and Fusion Research, Troitsk, Moscow, Russia
A.I. Gromov
Affiliation:
P.N. Lebedev Physical Institute of RAS, Moscow, Russia
A.M. Khalenkov
Affiliation:
P.N. Lebedev Physical Institute of RAS, Moscow, Russia
N.G. Kovalskii
Affiliation:
Troitsk Institute for Innovation and Fusion Research, Troitsk, Moscow, Russia
Yu.A. Merkuliev
Affiliation:
P.N. Lebedev Physical Institute of RAS, Moscow, Russia
V.M. Petryakov
Affiliation:
Troitsk Institute for Innovation and Fusion Research, Troitsk, Moscow, Russia
M.V. Putilin
Affiliation:
Troitsk Institute for Innovation and Fusion Research, Troitsk, Moscow, Russia
G.M. Yankovskii
Affiliation:
Troitsk Institute for Innovation and Fusion Research, Troitsk, Moscow, Russia
E.V. Zhuzhukalo
Affiliation:
Troitsk Institute for Innovation and Fusion Research, Troitsk, Moscow, Russia
*
Address correspondence and reprint requests to: V.V. Gavrilov, Troitsk Institute for Innovation and Fusion Research, Troitsk, Moscow, Russia. E-mail: vvgavril@triniti.ru

Abstract

New results obtained in experiments on laser irradiation (I = 5 × 1013 W/cm2, λ = 1.054 µm) of low-density (2–10 mg/cm3) porous materials (agar, triacetate cellulose, and foam polysterene) are presented and discussed from the standpoint of optimum porous material utilization in target designs for inertial confinement fusion. The influence of low-density material microstructure of irradiated samples on the absorption of laser radiation and the energy transfer processes was investigated using X-ray and optical diagnostic methods with high temporal and spatial resolution.

Type
Research Article
Copyright
Copyright © Cambridge University Press 2008

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References

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