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Analysis and Numerical Calculations of the Beam-Wave Interaction for Gyroklystron Amplifiers
Authors:Yong Luo   Hongfu Li   Yong Xu  Xue Deng
Affiliation:(1) Institute of High Energy Electronics, University of Electronic Science and Technology of China, Chengdu, 610054, China
Abstract:A four-cavity gyroklystron was designed and optimized after analysis and calculation of RF system and magnetron injection gun, numerical simulations showed that the TE011 mode gyroklystron achieved 280kW peak output power, 38% efficiency, 35dB saturated gain with 250Mhz bandwidth centered at 34GHz for a 68 kV, 11A electron beam. The numerical simulation results were used to build a Ka band high power gyroklystron amplifier. In this paper, analysis and numerical calculation results of the beam-wave interaction are presented. The influences of electron beam, RF system parameters, magnetic field, and input RF signal on output power, efficiency, bandwidth and gain are discussed.
Keywords:Numerical simulation  Beam-wave interaction  Gyroklystron amplifier  High-power Microwaves  Millimeter waves
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