28GHz/50kW准光输出连续波回旋管  

A 28GHz/50kW continuous wave gyrotron with quasi-optical output

作　　者：胡林林[1] 马国武[1] 孙迪敏[1] 卓婷婷[1] 黄麒力 谭志远[1] 龚胜刚[1] 陈洪斌[1] 孟凡宝[1] Hu Linlin;Ma Guowu;Sun Dimin;Zhuo Tingting;Huang Qili;Tan Zhiyuan;Gong Shenggang;Chen Hongbin;Meng Fanbao(Institute of Applied Electronics,CAEP,Mianyang 621900,China)

机构地区：[1]中国工程物理研究院应用电子学研究所

出　　处：《强激光与粒子束》2019年第6期1-2,共2页High Power Laser and Particle Beams

基　　金：国家自然科学基金项目(U1830201);中物院创新发展基金项目(CX2019038);中物院创新发展基金培育项目(PY2019130)

摘　　要：研制出国内首支基于电子回旋加热应用的28GHz/50kW准光输出大功率连续波回旋管。该回旋管采用了双阳极磁控注入枪,TE02模式谐振腔,内置准光模式变换器,单级降压收集极。回旋管采用无液氦制冷超导磁体提供稳态磁场。实验中成功实现54.8kW/1s短脉冲输出和45.8kW/30s的连续波输出,工作频率为28.08GHz,总效率达到57%。Aiming for electron cyclotron heating application in plasma fusion system,a 28 GHz 50 kW gyrotron has been developed and fabricated.The gyrotron employs a triode magnetron injection gun,a conventional cylindrical cavity working under TE 02 mode,a built-in quasi-optical mode converter with conversion efficiency of about 95%.In the experiment,Gaussian beams of 54.8 kW for 1 s pulse and 45.6 kW for 30 s continuous wave at 28.08 GHz were achieved.The corresponding total efficiency is 57%.

关 键 词：回旋管 28GHz 电子回旋加热 连续波 准光输出 

分 类 号：TN129[电子电信—物理电子学]