Wavebreaking as a limit for Raman amplification

Farmer, John Patrick and Ersfeld, Bernhard and Jaroszynski, Dino; Jaroszynski, D.A., ed. (2011) Wavebreaking as a limit for Raman amplification. In: Harnessing relativistic plasma waves as novel radiation sources from terahertz to x-rays and beyond II. Proceedings of SPIE . SPIE--The International Society for Optical Engineering., CZE. ISBN 9780819486653 (https://doi.org/10.1117/12.887190)

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Abstract

The influence of wavebreaking on Raman amplification is investigated. A phenomenological modification is added to a set of slowly varying envelope equations, and found to give good agreement to particle-in-cell simulations for cold plasma in the wavebreaking regime. For warm plasma, good agreement is not found using the warm wavebreaking limit. However, the PIC simulations show that the decreased wavebreaking limit does have a significant impact on amplification. The limitations of our model are discussed, and possible future work outlined.

ORCID iDs

Farmer, John Patrick, Ersfeld, Bernhard ORCID logoORCID: https://orcid.org/0000-0001-5597-9429 and Jaroszynski, Dino ORCID logoORCID: https://orcid.org/0000-0002-3006-5492; Jaroszynski, D.A.
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