粒子模拟在空间大功率微波器件微放电效应研究中的应用  

Particle-in-Cell Simulations of Multipactor in High-power Microwave Devices for Space Applications

作　　者：林舒[1,2] 翟永贵 张磊 王洪广[1,2] 王瑞[1,2,3] 李永东[1,2] 刘纯亮[1,2] LIN Shu;ZHAI Yong-gui;ZHANG Lei;WANG Hong-guang;WANG Rui;LI Yong-dong;LIU Chun-liang(Key Laboratory for Physical Electronics and Devices of the Ministry of Education,Xi'an Jiaotong University,Xi'an 710049,China;School of Electronic Science and Engineering,Xi'an Jiaotong University,Xi'an 710049,China;National Key Laboratory of Science and Technology on Space Microwave,CAST(Xi'an),Xi'an 710100,China)

机构地区：[1]电子物理与器件教育部重点实验室西安交通大学,陕西西安710049 [2]西安交通大学电子科学与工程学院,陕西西安710049 [3]中国空间技术研究院西安分院空间微波技术重点实验室,陕西西安710100

出　　处：《真空电子技术》2019年第6期55-61,共7页Vacuum Electronics

基　　金：国家自然科学基金（批准号：61801370）;中国博士后科学基金（批准号：2018M633509）资助的课题

摘　　要：作为空间大功率微波器件的主要失效模式,微放电严重威胁着空间微波通信系统的安全与稳定,而微放电的研究与预防已经成为地面器件设计阶段亟需解决的关键问题。粒子模拟方法由于其适用范围广、分析功能强与模拟精度高等优点而广泛应用于微放电研究。本文简要阐述了粒子模拟在微放电阈值预测、微放电位置确定、微放电机制分析以及饱和效应研究中的应用及其发展趋势。As the principal failure mode of high power microwave devices,multipactor breakdown severely threatens the security and stability of microwave communication system for space application.Therefore,multipactor investigation and prevention has become one key issue in the ground design stage of microwave devices.The particle-in-cell(PIC)simulation method has been widely applied in multipactor investigation for its distinctive features of high feasibility,comprehensive function and good accuracy.This paper briefly introduces current researches and future development of multipactor PIC simulations for multipactor threshold prediction,multipactor location determination,multipactor mechanism and saturation effect analysis.

关 键 词：微放电 微波器件 粒子模拟 阈值预测 机制分析 

分 类 号：O53[理学—等离子体物理]