Radiation generated by bunched electron beams in corrugated plasma channels

被引:4
|
作者
Antonsen, Thomas M., Jr. [1 ,2 ]
机构
[1] Ecole Polytech, CNRS, Ctr Phys Theor, F-91128 Palaiseau, France
[2] Univ Maryland, Inst Res Elect & Appl Phys, College Pk, MD 20742 USA
基金
美国国家科学基金会;
关键词
LASER; TERAHERTZ;
D O I
10.1063/1.3431089
中图分类号
O35 [流体力学]; O53 [等离子体物理学];
学科分类号
070204 ; 080103 ; 080704 ;
摘要
The excitation of radiation by bunched electron beams propagating in miniature corrugated plasma channels is considered. It is shown that the rate at which power is radiated by a beam is characterized by impedance that depends on the properties of the channel. For experimentally obtainable parameters radiation bursts of multiple millijoules can be achieved. The spectrum of the radiation can be made narrow and controlled through the properties of the channel. The effects of spatial variations in the channel parameters on the spectrum are also described. (C) 2010 American Institute of Physics. [doi:10.1063/1.3431089]
引用
收藏
页数:9
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