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Temporal evolution of density and field amplitudes in Raman amplification including relativistic and ponderomotive effects

Raj, Gaurav and Farmer, John and Ersfeld, B. and Jaroszynski, Dino A. (2009) Temporal evolution of density and field amplitudes in Raman amplification including relativistic and ponderomotive effects. In: Conference on Harnessing Relativistic Plasma Waves as Novel Radiation Sources From Terahertz to X-Rays and Beyond, 2009-04-21 - 2009-04-23, Prague.

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Abstract

The nonlinear regime of Raman amplification has been studied including the combined effects of relativistic and ponderomotive nonlinearities. The study is important for interaction of mildly relativistic pump and probe laser pulses. Nonlinear coupled temporal evolution of fields and density in Raman amplification is analyzed. It is shown that the saturation amplitude and time of the probe pulse in nonlinear regime depends upon the intensity of the electromagnetic waves and the density of the medium. Further in the nonlinear regime the probe laser pulse gain is severely affected by changes in both the electromagnetic wave amplitude and the plasma density.

Item type: Conference or Workshop Item (Paper)
ID code: 30195
Notes: Conference on Harnessing Relativistic Plasma Waves as Novel Radiation Sources From Terahertz to X-Rays and Beyond, Prague, CZECH REPUBLIC, APR 21-23, 2009
Keywords: Raman amplification, relativistic and ponderomotive nonlinearities, saturation time , saturation amplitude, Physics
Subjects: Science > Physics
Department: Faculty of Science > Physics
Related URLs:
    Depositing user: Pure Administrator
    Date Deposited: 13 Apr 2011 09:53
    Last modified: 04 Oct 2012 17:43
    URI: http://strathprints.strath.ac.uk/id/eprint/30195

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