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An Unmagnetized Plasma-Loaded Relativistic Backward-Wave Oscillator: Experiment and Simulation |
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| Authors: | Ziqiang Yang Chengliang Ge and Zheng Liang |
| Institution: | (1) Institute of High-Energy Electronics, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, People's Republic of China;(2) Southwest Institute of Applied Electronics, P.O. Box 9191012, Mianyang, Sichuan, 621900, People's Republic of China |
| Abstract: | Reported in this paper are the results of an experiment to produce high-power microwave radiation from a gas-filled backward wave oscillator (BWO) driven by a relativistic electron beam without external guiding magnetic field. A peak power for background gas pressure at 5.25 mTorr has been observed as argon pressure from 0.75 mTorr to 15 mTorr. Operating frequency of the oscillator has been measured at 9.6 ± 0.4 GHz. The results of PIC simulation are in good agreement with the experimental results. A reasonable explanation is given for experimental results by PIC simulation. |
| Keywords: | relativistic BWO plasma microwave power frequency |
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