Analysis of microwave propagation in a time-varying plasma slab with particle-in-cell simulations

被引：0

作者：

陈坤 ^{[1
,2
]}

常超 ^{[1
,2
]}

李永东 ^{[1
,2
]}

王洪广 ^{[1
,2
]}

刘纯亮 ^{[1
,2
]}

机构：

[1] Key Laboratory for Physical Electronics and Devices of the Ministry of Education,Xi'an Jiaotong University

[2] School of Electronic Science and Engineering,Xi'an Jiaotong University

来源：

Plasma Science and Technology | 2019年 / 10期

基金：

中国国家自然科学基金;

关键词：

continuous microwave; time-varying plasma; frequency up-conversion; particle-in-cell(PIC) simulation;

D O I：

暂无

中图分类号：

TN015 [微波与超高频技术]; O53 [等离子体物理学];

学科分类号：

070204 ; 080904 ;

摘要：

Continuous microwave propagation through a time-varying plasma and frequency up-conversion has been demonstrated by particle-in-cell(PIC) simulation.In principle,it is possible to transform a 2.45 GHz source radiation to an arbitrary larger frequency radiation.The energy conversion is also obtained by the theoretical analysis and has been testified by PIC simulation.The source wave was propagating in a parallel plate waveguide locally filled with the ionized gas.In this paper we would discuss the effects of the rise time,the plasma length,the switching time and the collision frequency on the energy conversion,and the methods to improve the upshift wave energy are proposed.We also put forward the new concept of the critical values of the rise time and the source wave amplitude to provide a theoretical basis for the selection of parameters in the experiments.

引用

页码：51 / 57

页数：7

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李永东
王洪广
刘纯亮
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