Propagation of a surface microwave along the afterglow plasma column of a high-current pulsed discharge

被引：0
作者：
K. F. Sergeichev
D. M. Karfidov
机构：
[1] Russian Academy of Sciences,Prokhorov General Physics Institute
来源：
Plasma Physics Reports | 2011年 / 37卷
关键词：
Surface Wave; Plasma Physic Report; Plasma Column; Discharge Tube; Pulse Discharge;
D O I：
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中图分类号：
学科分类号：
摘要：
It is demonstrated experimentally that the lifetime of the afterglow plasma of a high-current pulsed discharge in a dielectric tube filled with a mixture of argon with saturated mercury vapor is longer than 1 ms. Such a long lifetime, during which the electron density decreases from 1014 to 1012 cm−3, is explained by the chemi-ionization of mercury vapor by long-lived metastable argon atoms. During this time, the afterglow plasma can serve as a microwave waveguide for a weakly damped low-noise E0-type axisymmetric surface mode, which allows one to use it for transmission of signals in the centimeter wavelength range.
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页码：733 / 741
页数：8
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