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Transient self-focusing and stimulated Brillouin scattering in laser–plasma interaction

Published online by Cambridge University Press:  31 January 2002

SALEH T. MAHMOUD ,
R. P. SHARMA  and
A. KUMAR
SALEH T. MAHMOUD
Affiliation:
Centre for Energy Studies, Indian Institute of Technology, New Delhi-16, India
R. P. SHARMA
Affiliation:
Centre for Energy Studies, Indian Institute of Technology, New Delhi-16, India
A. KUMAR
Affiliation:
Centre for Advance Technology, Indoor, India
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Abstract

This paper presents an investigation of the time-dependent setting-up of nonlinearity in a collisionless plasma in the presence of a short-duration laser pulse. Using the paraxial-ray approximation, transient self-focusing of the incident laser pulse and Brillouin back-scattering have also been studied, including pump depletion. The effect of this transient nature on reflectivity has been discussed.

Type
Research Article
Information
Journal of Plasma Physics , Volume 66 , Issue 1-2 , July 2001 , pp. 119 - 133
Copyright
2001 Cambridge University Press

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