具有非均匀电子发射的1.5 MW, 110 GHz MIT回旋管的MAGY模拟

Fifth IEEE International Vacuum Electronics Conference (IEEE Cat. No.04EX786) Pub Date : 2004-04-27 DOI:10.1109/IVELEC.2004.1316355

E. Choi, J. Anderson, J. Sirigiri, M. Shapiro, R. Temkin

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引用次数: 1

摘要

我们给出了麻省理工学院目前在短脉冲运行的110 GHz, 1.5 MW回旋管的MAGY代码的仿真结果。当工作在TE/sub 22,6/模式下，速度比(v/sub /spl perp///v/sub /spl par//)为1.43时，实验峰值功率为1.44 MW，效率为37%。对三态激发模式(TE/sub 21,6/， TE/sub 22,6/和TE/sub 23,6/)进行了MAGY模拟，包括电子束的速度扩展和方位非均匀电荷密度。对于速度扩展为5.5%和光束发射不均匀性的测量值，MAGY模拟结果与实验测量结果吻合较好。

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MAGY simulations of 1.5 MW, 110 GHz MIT gyrotron with non-uniform electron emission

We present simulation results from the code MAGY of a 110 GHz, 1.5 MW gyrotron which is currently in short pulse operation at MIT. The experimental peak power is 1.44 MW at 37 % efficiency, when operating in the TE/sub 22,6/ mode, with a velocity ratio (v/sub /spl perp///v/sub /spl par//) of 1.43. The MAGY simulations are done for triplet mode excitation (TE/sub 21,6/, TE/sub 22,6/ and TE/sub 23,6/), and include both velocity spread and the azimuthal nonuniform charge density of the electron beam. For a velocity spread of 5.5 % and the measured value of beam emission nonuniformity, the MAGY simulations are in good agreement with the measured experimental results.

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Fifth IEEE International Vacuum Electronics Conference (IEEE Cat. No.04EX786)

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