太赫兹科学与电子信息学报2024，Vol.22Issue(1)：35-38,4.DOI:10.11805/TKYDA2023283
带状电子注驱动的准光谐振腔回旋管
Quasi-optical cavity gyrotron with sheet e-beam
摘要
Abstract
As an important vacuum electron device,the gyrotron has the capability to generate high peak and average powers in the millimeter-wave and terahertz frequency ranges,holding broad prospects of application in fields such as spectroscopy,radar,communication,and biomedical science.However,conventional gyrotrons inevitably face intense mode competition issues,and the introduction of quasi-optical cavity is expected to significantly alleviate the severity of mode competition.In this study,based on the theory of electron gyrotron oscillation,the innovative combination of quasi-optical cavity and sheet electron beam is proposed with the aim of achieving higher output power and efficiency.Simulation results indicate that under conditions of 40 kV electron voltage and an 8.4 T background magnetic field,the designed quasi-optical gyrotron can generate 6.1 kW of output power at a frequency of 220 GHz,with an electron efficiency of 6.1% and stable operation over a certain duration.The proposed structure in this study may provide a novel solution for gyrotron design operating in high-frequency and even higher harmonic regimes,thus furthering its applications in fields such as radar and controlled nuclear fusion.关键词
准光谐振腔/回旋管/带状电子注Key words
quasi-optical cavity/gyrotron/sheet e-beam分类
信息技术与安全科学引用本文复制引用
雷于露,杨积涛,杜朝海..带状电子注驱动的准光谐振腔回旋管[J].太赫兹科学与电子信息学报,2024,22(1):35-38,4.基金项目
国家重点研发计划资助项目(2021YFA1600302) （2021YFA1600302）
国家自然科学基金资助项目(62271011 （）
U21A20458) （）
北京市杰出青年科学基金资助项目(JQ21011) （JQ21011）
