Study of a X-Bank Relativistic Backward Wave Oscillator with Variable Couple Impedance |
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| Authors: | Guangjun Wen Fuzhen Xie Jiayin Li and Shenggang Liu |
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| Institution: | (1) University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China;(2) Electronics and Telecommunications Research Institute of Korea, Taejeon, 305-350, Korea;(3) Logistical Engineering Institute, Chongqing, 400014, China |
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| Abstract: | An electromagnetic particle-in-cell code has been used to simulate the nonlinear beam wave interaction and other optimization issues of a X-band RBWO with variable couple impedance, the simulation results show: the device can high-efficiently generate microwave radiation of 950MW peak power at (9.06±O.03) GHz when it is driven by a 5KA-500KV annular electron beam, peak power efficiency is 38%. The preliminary experiment results show that the microwave-generating efficiency of the non-uniform impedance RBWO is about twice of the uniform case in the same operating conditions. |
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