Analysis of the Stability in a Gyrotron Traveling Wave Amplifier with the Reflection at Output Port |
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| Authors: | Hai-yan Sun Chong-qing Jiao Ji-run Luo |
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| Affiliation: | (1) College of Information Engineering, North China University of Technology, Beijing, 100144, China;(2) North China Electric Power University, Beijing, 102206, China;(3) Institute of Electronics, Chinese Academy of Sciences, Beijing, 100190, China |
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| Abstract: | Based on the linear theory of gyrotron traveling wave amplifier (gyro-TWA) and the boundary condition, the model of the gyro-TWA with the reflections at the output port is established. The influence of the reflections on the wave gain rate, the back wave starting length and the back wave starting current for a Ka band TE01 gyro-TWA at fundament is analyzed. The simulating results show that the increased reflection may lower its stability to some extent. |
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| Keywords: | Gyro-TWA Gyro-BWO Reflection coefficient Beam-wave interaction Starting oscillation conditions |
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