A model of the absorption of electromagnetic waves by weakly ionized plasma and the numerical calculation

被引:6
|
作者
Song, FL [1 ]
Cao, JX [1 ]
Wang, G [1 ]
机构
[1] Univ Sci & Technol China, Dept Modern Phys, Hefei 230027, Peoples R China
关键词
electromagnetic waves; weakly ionized plasma; overdamping;
D O I
10.7498/aps.54.807
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
It is shown in three different ways that the wave equation varying with time and the Helmholtz equation are equally effective for analysing the transmission of electromagnetic waves from the weakly ionized plasma in the plane geometry. Even when the scale length of plasma approaches the waves length, the electromagnetic waves are still simple harmonic waves. The properties of transmission of electromagnetic waves from the weakly ionized and highly collisional plasma are studied numerically. The results show that the highly collisional plasma is a good microwave absorber.
引用
收藏
页码:807 / 811
页数:5
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