Generation of terahertz radiation from a low-density plasma slab irradiated by a laser pulse

被引：8
|
作者：
Frolov, A. A. [1 ]
机构：
[1] Russian Acad Sci, Joint Inst High Temp, Moscow 125412, Russia
来源：
PLASMA PHYSICS REPORTS | 2010年 / 36卷 / 04期
基金：
俄罗斯基础研究基金会;
关键词：
TRANSITION RADIATION; EMISSION; WAVES; WAKES;
D O I：
10.1134/S1063780X10040021
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 generation of terahertz electromagnetic radiation when a laser pulse propagates through a low-density plasma slab is considered. It is shown that terahertz waves are excited because of the growth of a weakly damped, antisymmetric leaking mode of the plasma slab. The spectral, angular, and energy parameters of the terahertz radiation are investigated, as well as the spatiotemporal structure of the emitted waves. It is demonstrated that terahertz electromagnetic wave fields are generated most efficiently when the pulse length is comparable to the slab thickness.
引用
收藏
页码：318 / 335
页数：18
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