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Enhanced levels of stimulated Brillouin reflectivity from non-Maxwellian plasmas

Published online by Cambridge University Press:  01 April 2007

M.S. BAWA'ANEH  and
T.J.M. BOYD
M.S. BAWA'ANEH
Affiliation:
Department of Physics, The Hashemite University, Zarka, Jordan (msb@hu.edu.jo)
T.J.M. BOYD
Affiliation:
Department of Physics, University of Essex, Wivenhoe Park, Colchester C04 3SQ, UK
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Abstract.

A model that counts for temperature gradients in the target plasma, which leads to higher ion acoustic noise and enhanced levels of stimulated Brillouin scattering (SBS) gain and SBS reflectivity, has been adopted. Enhanced Brillouin gain leading to higher SBS reflectivity levels has been computed for non-homogeneous, non-Maxwellian plasmas. SBS reflectivity levels obtained are higher than those predicted by linear convective gain theory by several orders of magnitude and coincide with the high values of experimental data known in literature, which could not be interpreted by the linear convective gain theory.

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Type
Papers
Information
Journal of Plasma Physics , Volume 73 , Issue 2 , April 2007 , pp. 159 - 166
Copyright
Copyright © Cambridge University Press 2006

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