摘要
提出并研究了一种带状电子注矩形单栅返波振荡器。首先研究了矩形单栅慢波结构的色散特性和耦合阻抗特性,然后粒子模拟并优化设计了带状注矩形单栅高频结构,预群聚腔及输出一体化结构。研究结果表明:利用电压200kV、电压2kA、截面为24mm×0.5mm的带状电子注,驱动该矩形单栅返波振荡器,能够产生42 MW的输出功率,工作频率86GHz,效率为10.5%。
The vacuum electronic device with sheet beam driven rectangular waveguide gratings is a small size,high gain,easy to fabricated device.It has potential to produce high power terahertz radiation.This paper proposes a novel sheet beam high power device.The dispersion characteristics of the rectangular waveguide grating slow wave structure are analyzed.The coupling impedance is studied in detail.And a W-band sheet beam rectangular waveguide grating backward-wave oscillator（BWO）is simulated.The optimized BWO can produce 42 MW at frequency 86 GHz,driven by a 200 kV,2kA,24mm×0.5mm sheet electron beam.The efficiency is 10.5%.
出处
《强激光与粒子束》
EI
CAS
CSCD
北大核心
2015年第8期124-129,共6页
High Power Laser and Particle Beams
基金
CEMEE国家实验室开放课题基金项目(CEMEE2014K0206B)
国家自然科学基金项目(61125103
61371052)
中央高校基金项目(ZYGX2013J054)
重点实验室开放基金项目(2014-764.XY.K)
关键词
带状电子注
高功率微波
矩形单栅
返波振荡器
W波段
sheet electron beam
high power microwave
rectangular waveguide grating
backward-wave oscillator
W-band
