Zhiliang Li, Jinjun Feng, Ben-tian Liu, E. Wang, Yang Zhang, T. Yan
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Design of a W-band third-harmonic gyrotron oscillator
The paper describes simulation and design of a W-band gyrotron oscillator operated in TE03 mode at the third cyclotron harmonic. A self-consistent nonlinear code and a particle-in-cell (PIC) software were used to investigate the beam-wave interaction. Results of simulations show that the gyrotron can generate peak power of 110kW at 93.6GHz when utilized a 40kV, 12A, ν⊥/ν∥=1.5 electron beam from a magnetron injection gun, and the gyrotron operates stably in the operating mode.