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Ultrashort powerful laser matter interaction: Physical problems, models, and computations

Published online by Cambridge University Press:  09 March 2009

E.G. Gamaly
Affiliation:
Laser Physics Centre, Research School of Physical Sciences and Engineering, The Australian National University, P.O. Box 4, Canberra, Australian Capital Territory 2601, Australia

Abstract

The different physical models, computational methods, and results describing the properties of a plasma produced by an ultrashort laser pulse interacting with a solid target at different laser intensities are presented. The basic issues affecting the laser-plasma interaction are considered, including: the different absorption mechanisms; the formation of a transient, nonequilibrium, asymmetric electron distribution function; the energy losses; the role of instabilities and the ponderomotive force; ion expansion and acceleration; and surface wave propagation along the boundary of the plasma. The article concludes with a discussion of the range of applicability of the different approximations and future perspectives for the field.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1994

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