Design and Experimental Demonstration of a 94-GHz Gyrotron with Complex Cavity Operating at the Second Harmonic |
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| Authors: | Ying-hui Liu Xin-jian Niu Sheng Yu Hong-fu Li Jun Rao Jun Zhou Chaojun Lei Hong Jiang Yi Yang |
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| Affiliation: | 1. Institute of High Energy Electronics, University of Electronic Science and Technology of China, Chengdu, 610054, Sichuan, People’s Republic of China
2. Southwestern Institute of Physics, Chengdu, 610041, Sichuan, People’s Republic of China
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| Abstract: | A systematic theoretical and experimental study on 94-GHz second-harmonic gyrotron with a superconducting magnet system is presented in this paper. A complex cavity with gradual transition is employed in the gyrotron. A self-consistent field nonlinear theory is used and numerical simulation results for electron beam interaction with TE02–TE03 modes are given. A pulse output power of 235.2 kW is obtained by simulation at a beam voltage of 60 kV with beam current of 10 A and magnetic field 17 kG, corresponding to an efficiency of 39.2 %. |
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