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Proceedings Paper

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

Paper Details

Date Published: 7 May 2009
PDF: 6 pages
Proc. SPIE 7359, Harnessing Relativistic Plasma Waves as Novel Radiation Sources from Terahertz to X-Rays and Beyond, 73590O (7 May 2009); doi: 10.1117/12.820953
Show Author Affiliations
Gaurav Raj, Univ. of Strathclyde (United Kingdom)
John Farmer, Univ. of Strathclyde (United Kingdom)
B. Ersfeld, Univ. of Strathclyde (United Kingdom)
Dino A. Jaroszynski, Univ. of Strathclyde (United Kingdom)


Published in SPIE Proceedings Vol. 7359:
Harnessing Relativistic Plasma Waves as Novel Radiation Sources from Terahertz to X-Rays and Beyond
Dino A. Jaroszynski; Antoine Rousse, Editor(s)

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