Excitation and damping of a self-modulated laser wakefield

S. Y. Chen, M. Krishnan, A. Maksimchuk, D. Umstadter

研究成果: 雜誌貢獻期刊論文同行評審

24 引文 斯高帕斯(Scopus)

摘要

Spatially, temporally, and angularly resolved collinear collective Thomson scattering was used to diagnose the excitation and damping of a relativistic-phase-velocity self-modulated laser wakefield. The excitation of the electron plasma wave was observed to be driven by Raman-type instabilities. The damping is believed to originate from both electron beam loading and modulational instability. The collective Thomson scattering of a probe pulse from the ion acoustic waves, resulting from modulational instability, allows us to measure the temporal evolution of the plasma temperature. The latter was found to be consistent with the damping of the electron plasma wave.

原文???core.languages.en_GB???
頁(從 - 到)403-413
頁數11
期刊Physics of Plasmas
7
發行號1
DOIs
出版狀態已出版 - 1月 2000

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