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General features of highly charged ion generation in laser-produced plasmas

Published online by Cambridge University Press:  09 March 2009

I.V. Roudskoy
I.V. Roudskoy
Affiliation:
Institute of Theoretical and Experimental Physics, 117259 Moscow, Russia
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Abstract

The simple physical model of highly charged ion generation in plasma produced by laser irradiation with long pulse duration (>1 ns) and moderate intensities (<1015/λ2 W/cm2μm2) is presented. In the frame of a single theory, most of the experimental results on plasma diagnostics are described in total. It is shown that plasma temperatures, ion charge states, and ion velocities as well as angular distributions of highly charged ions can be explained with good accuracy by collisional absorption of laser energy, hydrodynamic acceleration of forming plasma, and three-body recombination through highly exited levels during plasma expansion into vacuum. The general scalings for plasma parameters are derived on the basis of the model proposed.

Type
Research Article
Information
Laser and Particle Beams , Volume 14 , Issue 3 , September 1996 , pp. 369 - 384
Copyright
Copyright © Cambridge University Press 1996

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