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Nonequilibrium emission from laser-generated target plasma

Published online by Cambridge University Press:  09 March 2009

B. N. Bazylev ,
F. N. Borovik ,
G. A. Vergunova ,
S. I. Kaskova ,
G. S. Romanov ,
V. B. Rozanov ,
L. K. Stanchits ,
K. L. Stepanov  and
A. V. Teterev
B. N. Bazylev
Affiliation:
Scientific-Research Institute of Applied Physical Problems, ul.Kurchatova 7, 220106 Minsk, USSR and P. N. Lebedev Physical Institute, Academy of Sciences of the USSR, Leninsky pr. 53, 117924 Moscow, USSR
G. A. Vergunova
Affiliation:
Scientific-Research Institute of Applied Physical Problems, ul.Kurchatova 7, 220106 Minsk, USSR and P. N. Lebedev Physical Institute, Academy of Sciences of the USSR, Leninsky pr. 53, 117924 Moscow, USSR
S. I. Kaskova
Affiliation:
Scientific-Research Institute of Applied Physical Problems, ul.Kurchatova 7, 220106 Minsk, USSR and P. N. Lebedev Physical Institute, Academy of Sciences of the USSR, Leninsky pr. 53, 117924 Moscow, USSR
G. S. Romanov
Affiliation:
Scientific-Research Institute of Applied Physical Problems, ul.Kurchatova 7, 220106 Minsk, USSR and P. N. Lebedev Physical Institute, Academy of Sciences of the USSR, Leninsky pr. 53, 117924 Moscow, USSR
V. B. Rozanov
Affiliation:
Scientific-Research Institute of Applied Physical Problems, ul.Kurchatova 7, 220106 Minsk, USSR and P. N. Lebedev Physical Institute, Academy of Sciences of the USSR, Leninsky pr. 53, 117924 Moscow, USSR
L. K. Stanchits
Affiliation:
Scientific-Research Institute of Applied Physical Problems, ul.Kurchatova 7, 220106 Minsk, USSR and P. N. Lebedev Physical Institute, Academy of Sciences of the USSR, Leninsky pr. 53, 117924 Moscow, USSR
K. L. Stepanov
Affiliation:
Scientific-Research Institute of Applied Physical Problems, ul.Kurchatova 7, 220106 Minsk, USSR and P. N. Lebedev Physical Institute, Academy of Sciences of the USSR, Leninsky pr. 53, 117924 Moscow, USSR
A. V. Teterev
Affiliation:
Scientific-Research Institute of Applied Physical Problems, ul.Kurchatova 7, 220106 Minsk, USSR and P. N. Lebedev Physical Institute, Academy of Sciences of the USSR, Leninsky pr. 53, 117924 Moscow, USSR
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Abstract

Radiation characteristics of laser targets are studied in the soft X-ray region where photorecombination, bremsstrahlung and transitions in the discrete spectrum are the basic mechanisms of spectrum formation. The impact-radiational model is employed to describe the states of the laser target plasma. Characteristics obtained from the solution of the kinetic problem are used to compute absorption and emission coefficients. To set the time scale for a given field of gas-dynamic parameters, the transfer equation is solved and detailed information is obtained on the spectral composition of the outgoing radiation and its temporal evolution. Effective emission temperatures and radiation losses are determined. Integral radiation parameters are compared which have been derived from the solution of the transfer equation employing a volume luminescence approximation.

Type
Research Article
Information
Laser and Particle Beams , Volume 6 , Issue 4 , November 1988 , pp. 709 - 721
Copyright
Copyright © Cambridge University Press 1988

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