Frequency-Tunable Second Harmonic Gyrotron With Selective Cavity: Design and Simulations

Ilya V. Bandurkin,Mikhail Y. Glyavin,Alexey E. Fedotov,Andrey P. Fokin,Masafumi Fukunari,Ivan V. Osharin,Andrey V. Savilov,Dmitry Y. Shchegolkov,Yoshinori Tatematsu

IEEE Transactions on Electron Devices（2022）

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摘要

We show numerically that the gyrotron cavity with specially designed rectangular grooves provides a selective gyrotron excitation at the second cyclotron harmonic and allows frequency tuning. Simulations predict that the output power higher than 10 W can be obtained in the 0.3% band near the frequency of 400 GHz for a 15-kV, 0.5-A electron beam. Results obtained by analytical model calculations an...

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关键词

Harmonic analysis,Cyclotrons,Gyrotrons,Q-factor,Cutoff frequency,Scattering,Electron beams

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