摘要
提出了一种改进型C波段磁绝缘线振荡器,并对其进行了优化设计。首先根据磁绝缘原理对慢波结构进行了理论分析,并选择了磁绝缘线振荡器阴极半径和主慢波结构的基本参数,然后用2.5维全电磁PIC方法研究了输出功率与其它参数之间的关系。模拟表明,优化结构可以在输入约21GW电功率(工作电压约500kV)的条件下,得到频率3.91GHz、平均功率2.71GW的微波输出,其饱和时间为10ns,平均效率为12 9%。
A type of improved C-band MILO was brought forward and its optimized model was designed through theoretic analysis and numerical simulations. According to theoretical analysis of the slow-wave structure (SWS) using the magnetically insulation principle, the cathode radius and primary SWS parameters of C-band MILO were chosen. Through numerical simulations by a 2.5-D PIC code, the impacts of several structure parameters of MILO on its output power were investigated. With 21 GW (at 500 kV) input-power, a 3.91 GHz, 2.71 GW average output power microwave is generated from the optimized MILO by simulation. The saturation time is 10 ns. The average efficiency is about 12.9%.
出处
《强激光与粒子束》
EI
CAS
CSCD
北大核心
2004年第4期485-488,共4页
High Power Laser and Particle Beams
基金
国家863计划项目资助课题
关键词
高功率微波源
磁绝缘线振荡器
PIC模拟
Cathodes
Computer simulation
Insulation
Magnetic field effects
Microwave generation
