Analysis of Thomson Scattering from Nonequilibrium Plasmas

被引：80

作者：

Chapman, D. A. ^{[1
,2
]}

Gericke, D. O. ^{[1
]}

机构：

[1] Univ Warwick, Dept Phys, Ctr Fus Space & Astrophys, Coventry CV4 7AL, W Midlands, England

[2] AWE Plc, Dept Plasma Phys, Reading RG7 4PR, Berks, England

来源：

PHYSICAL REVIEW LETTERS | 2011年 / 107卷 / 16期

基金：

英国工程与自然科学研究理事会;

关键词：

FREE-ELECTRON LASER; OPERATION;

D O I：

10.1103/PhysRevLett.107.165004

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We develop the theory for light scattering as a diagnostic method for plasmas in nonequilibrium states. We show how well-known nonequilibrium features, like beam acoustic modes, arise in the spectra. The analysis of an experiment with strongly driven electrons demonstrates the abilities of the new approach; we find qualitatively different scattering spectra for different times and excellent agreement with the experimental data after time integration. Finally, an analysis of data from dense beryllium suggests that an energetic electron component exists in this experiment as well.

引用

页数：5

共 29 条

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