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具有谐振腔的多波切伦柯夫振荡器的粒子模拟
引用本文:张军,钟辉煌,杨建华,舒挺.具有谐振腔的多波切伦柯夫振荡器的粒子模拟[J].强激光与粒子束,2003,15(1):85-88.
作者姓名:张军  钟辉煌  杨建华  舒挺
作者单位:国防科学技术大学 理学院 定向能技术研究所, 湖南 长沙 410073
基金项目:国家863计划项目资助课题
摘    要: 设计了一种新型的多波切伦柯夫振荡器,即在第二慢波段和输出喇叭之间加一个谐振腔,并采用PIC方法模拟了器件产生微波的物理过程。结果表明这种新型器件符合普通多波切伦柯夫振荡器的基本特征,同时具有纵向尺寸短,导引磁场低,功率、效率高等优点。

关 键 词:多波切伦柯夫振荡器  谐振腔  低磁场  粒子模拟
文章编号:1001-4322(2003)01-0085-04
收稿时间:2002/4/27
修稿时间:2002年4月27日

Particle simulation of the multiwave Cerenkov generator with a resonant cavity operation at low magnetic field
zhang jun,zhong hui huang,yang jian hua,shu ting.Particle simulation of the multiwave Cerenkov generator with a resonant cavity operation at low magnetic field[J].High Power Laser and Particle Beams,2003,15(1):85-88.
Authors:zhang jun  zhong hui huang  yang jian hua  shu ting
Institution:College of Science, National University of Defense Technology, Changsha 410073, China
Abstract:A new type high efficiency Multiwave Cerenkov Generator is designed by employing a resonant cavity between the second slow wave structure and the output horn,and its physical process is analyzed by means of 2.5 PIC simulation. It is shown that, due to the decelerating gap mechanism and coupling cavity mechanism of the resonant cavity, its output power and efficiency increase as its longitudinal length reduces and its guiding magnetic field be lowered greatly. A typical simulation result is that, at the magnetic field of 0.63T, an X band microwave with the average output power of 1.8GW and the peak power of 4GW is obtained with the input power of 5.8GW, and the average efficiency is over 30%.
Keywords:Multiwave Cerenkov generator (MWCG)  Resonant cavity  Low magnetic field PIC simulation  
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