Experimental Study on Electromagnetic Wave Scattering by Discharge Plasma

被引：0

作者：

Pang S. ^{[1
]}

Zhang Z. ^{[2
]}

Zhao R. ^{[1
]}

Peng Z. ^{[1
]}

Ouyang J. ^{[1
]}

Miao J. ^{[1
]}

机构：

[1] School of Physics, Beijing Institute of Technology, Beijing

[2] Science and Technology on Electro-Optical Information Security Control Laboratory, The 53th Research Institute of China Electronics Technology Group Corporation, Tianjin

来源：

Gaodianya Jishu/High Voltage Engineering | 2019年 / 45卷 / 03期

关键词：

Discharge characteristic; Electromagnetic scattering; Electromagnetic wave; Hollow cathode discharge; Microwave; Plasma; Transmittance;

D O I：

10.13336/j.1003-6520.hve.20190226023

中图分类号：

学科分类号：

摘要：

We investigated the characteristics of hollow cathode discharge (HCD) and the scattering of electromagnetic wave on HCD plasmas. The volt-ampere characteristic curves of rectangular and column HCDs were measured experimentally and the plasma density was obtained by using the method of microwave measurement. Moreover, we investigated the transmission coefficients of electromagnetic wave interacting with several kinds of plasmas. The results show that HCD can generate high-density plasma density depending on the discharge current. A sheet HCD plasma can sufficiently block x-band microwaves. The plasma column of cylindrical HCD can scatter the electromagnetic wave to the lateral directions, with the peaks at an angle of ±15°. The peak value increases with the discharge current (or plasma density). A well-arranged plasma array can act as planar plasma when acting with electromagnetic waves. © 2019, High Voltage Engineering Editorial Department of CEPRI. All right reserved.

引用

页码：839 / 845

页数：6

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