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Investigations of laser interaction with high-Z targets

Published online by Cambridge University Press:  09 March 2009

W. Mróz ,
A. Nowak-Goroszczenko ,
J. Wołowski  and
E. Woryna
W. Mróz
Affiliation:
Institute of Plasma Physics and Laser Microfusion, 00–908 Warsaw 49, P.O. Box 49, Poland
A. Nowak-Goroszczenko
Affiliation:
Institute of Plasma Physics and Laser Microfusion, 00–908 Warsaw 49, P.O. Box 49, Poland
J. Wołowski
Affiliation:
Institute of Plasma Physics and Laser Microfusion, 00–908 Warsaw 49, P.O. Box 49, Poland
E. Woryna
Affiliation:
Institute of Plasma Physics and Laser Microfusion, 00–908 Warsaw 49, P.O. Box 49, Poland
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Abstract

This article presents the tendency of the changes of Nd-laser plasma parameters in dependence upon increasing target atomic numbers. In the experiment, the following targets — (C8H8)n, SiO2, Al, Cu, Ta, and Au — were investigated. For targets with Z higher than 13, the two-temperature plasma is observed with temperatures Te =500–600 eV and Te≅ 100 eV. Energy carried by ions from the low-temperature plasma can be higher than half the total energy carried by ions. The number of ions from low-temperature, X-ray-heated plasma can be by an order of magnitude higher than the number of ions from thermal plasma (Te = 500–600 eV).

Type
Research Article
Information
Laser and Particle Beams , Volume 10 , Issue 4 , December 1992 , pp. 689 - 696
Copyright
Copyright © Cambridge University Press 1992

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References

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