Radiation from an electric dipole surrounded by a plasma cylinder with a cavity

被引：9
作者：
Bichutskaya T.I. [1 ]
Makarov G.I. [1 ]
机构：
[1] St.Petersburg State University, St.Petersburg
来源：
Radiophysics and Quantum Electronics | 2002年 / 45卷 / 7期
基金：
俄罗斯基础研究基金会;
关键词：
Radiation; Resonance Frequency; Electromagnetic Wave; Free Space; Relative Size;
D O I：
10.1023/A:1020528725801
中图分类号：
学科分类号：
摘要：
We solve the problem ofthe influence ofa small-radius (ka ≪ 1) isotropic plasma cylinder with a coaxial free-space cavity on the radiation from a source of electromagnetic waves to an outer region offree space. Conditions ofthe resonance radiation are obtained and characteristics ofthis radiation as functions ofthe relative size ofthe cavity are studied. We show that the resonance frequency splits into two frequencies such that the transmission coefficients at these frequencies can exceed the resonance transmission coefficient for the plasma cylinder without a cavity. The results obtained are compared with the case ofemission from a two-layer spherical plasma resonator. © 2002 Plenum Publishing Corporation.
引用
收藏
页码：509 / 519
页数：10
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