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Journal of Electromagnetic Waves and Applications Volume 32, 2018 - Issue 10
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Original Articles

Study on the attenuation characteristic of terahertz wave through a non-uniform magnetized plasma

Yunxian TianVacuum Electronics National Laboratory, University of Electronic Science and Technology of China, Chengdu, China
,
Weizhong YanShanghai Aerospace Electronics Co., Ltd, China Academy of Aerospace Electronics Technology, Shanghai, China
,
Xiaoliang GuVacuum Electronics National Laboratory, University of Electronic Science and Technology of China, Chengdu, China
,
Xiaolin JinVacuum Electronics National Laboratory, University of Electronic Science and Technology of China, Chengdu, ChinaCorrespondence[email protected]
ORCID Iconhttp://orcid.org/0000-0002-3910-2480
ORCID Icon,
Jianqing LiVacuum Electronics National Laboratory, University of Electronic Science and Technology of China, Chengdu, China
&
Bin LiVacuum Electronics National Laboratory, University of Electronic Science and Technology of China, Chengdu, China
Pages 1249-1260 | Received 14 Aug 2017, Accepted 17 Jan 2018, Published online: 19 Feb 2018
 
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Abstract

In this paper, the interaction between terahertz wave and a non-uniform magnetized plasma slab is investigated. The electric field distribution in non-uniform plasma is presented and used to calculate the attenuation of the electromagnetic wave through plasma. Several types of electron density profiles are proposed and discussed. Effects of different plasma parameters (electron density, collision frequency, plasma thickness) and magnetic field amplitudes on THz wave attenuation characteristic are investigated. The transmission ratios at several typical THz signal frequencies in both unmagnetized and magnetized plasma are presented as well. These simulation results are meaningful for the flight communication.

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