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High Power Laser and Particle Beams, Volume. 37, Issue 7, 073001(2025)

Design of X-band coaxial gyrotron cavity driven by intense relativistic electron beam

Chenxiang An, Ning Zhou, Kun Chen, Dengpan Wang, Chong Li, Youyou Gui, Yihang Yang, Xinhong Cui, and Yanchao Shi
Author Affiliations
  • Key Laboratory of Advanced Science and Technology on High Power Microwave, Northwest Institute of Nuclear Technology, Xi’an 710024, China
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    References(21)

    [1] Xiao Renzhen. Research progress of relativistic backward wave oscillator[J]. Modern Applied Physics, 13, 020101(2022).

    [2] Chen Kun, Xiao Renzhen, Zhai Yonggui et al. Asymmetric mode competition in an X-band dual-mode relativistic backward wave oscillator[J]. IEEE Transactions on Electron Devices, 71, 4300-4305(2024).

    [3] Miao Tianze, Xiao Renzhen, Shi Yanchao et al. Experimental demonstration of dual-mode relativistic backward wave oscillator with a beam filtering ring packaged with permanent magnet[J]. IEEE Electron Device Letters, 44, 662-665(2023).

    [4] Ju Jinchuan, Ge Xingjun, Zhang Wei et al. Coherent combining of phase-steerable high power microwaves generated by two X-band triaxial klystron amplifiers with pulsed magnetic fields[J]. Physical Review Letters, 130, 085002(2023).

    [5] Cao Yibin, Sun Jun, Song Zimin. Design and experiment of long-pulse C-band relativistic backward wave oscillator[J]. High Power Laser and Particle Beams, 30, 053004(2018).

    [6] Wang Dongyang, Teng Yan, Shi Yanchao. Preliminary experimental study on a Ka-band RBWO operating at TM02 mode with low guiding magnetic field[J]. High Power Laser and Particle Beams, 30, 073003(2018).

    [7] Westerhof E, Austin M E, Kubo S et al. Summary of EC-17: the 17th joint workshop on electron cyclotron emission and electron cyclotron resonance heating (Deurne, The Netherlands, 7–10 May 2012)[J]. Nuclear Fusion, 53, 027002(2013).

    [8] Omori T, Henderson M A, Albajar F et al. Overview of the ITER EC H&CD system and its capabilities[J]. Fusion Engineering and Design, 86, 951-954(2011).

    [9] Kasugai A, Sakamoto K, Takahashi K et al. Steady-state operation of 170 GHz–1 MW gyrotron for ITER[J]. Nuclear Fusion, 48, 054009(2008).

    [10] Hu Linlin, Sun Dimin, Huang Qili. 1.0 MW pulse power achieved in 105/140 GHz dual-frequency MW-level gyrotron[J]. High Power Laser and Particle Beams, 35, 023001(2023).

    [11] Granatstein V L, Herndon M, Sprangle P et al. Gigawatt microwave from an intense relativistic electron beam[J]. Plasma Physics, 17, 23-28(1975).

    [12] Zaitsev N I, Ginzburg N S, Zavol’skii N A et al. Highly efficient relativistic SHF gyrotron with a microsecond pulse width[J]. Technical Physics Letters, 27, 266-270(2001).

    [13] Zaitsev N I, Ginzburg N S, Ilyakov E V et al. X-band high-efficiency relativistic gyrotron[J]. IEEE Transactions on Plasma Science, 30, 840-845(2002).

    [14] [14] Kartikeyan M V, Bie E, Thumm M K A. Gyrotrons: highpower microwave millimeter wave technology[M]. Berlin: Springer, 2004: 33.

    [15] Zhang Dian, An Chenxiang, Zhang Jun. Self-consistent nonlinear numerical simulation of millimeter wave gyro-klystron amplifiers[J]. High Power Laser and Particle Beams, 33, 093002(2021).

    [16] Gu Ling, Liu Fei, Liu Yinghui. High-frequency structure for complex cavity gyrotron with gradual transition[J]. High Power Laser and Particle Beams, 26, 013008(2014).

    [17] Dumbrajs O, Liu Shenggang. Kinetic theory of electron-cyclotron resonance masers with asymmetry of the electron beam in a cavity[J]. IEEE Transactions on Plasma Science, 20, 126-132(1992).

    [18] An Chenxiang, Zhang Dian, Zhang Jjun et al. Theoretical analysis and Vsim simulation of a low-voltage high-efficiency 250 GHz gyrotron[J]. Physics of Plasmas, 25, 023108(2018).

    [19] Danly B G, Temkin R J. Generalized nonlinear harmonic gyrotron theory[J]. Physics of Fluids, 29, 561-567(1986).

    [20] An Chenxiang, Zhang Dian, Zhang Jun et al. Theoretical analysis and PIC simulation of a 220-GHz second-harmonic confocal waveguide gyro-TWT amplifier[J]. IEEE Transactions on Electron Devices, 66, 4016-4021(2019).

    [21] Sun Wei, Yu Sheng, Wang Zhipeng et al. Linear and nonlinear analyses of a 0.34-THz confocal waveguide gyro-TWT[J]. IEEE Transactions on Plasma Science, 46, 511-517(2018).

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    Chenxiang An, Ning Zhou, Kun Chen, Dengpan Wang, Chong Li, Youyou Gui, Yihang Yang, Xinhong Cui, Yanchao Shi. Design of X-band coaxial gyrotron cavity driven by intense relativistic electron beam[J]. High Power Laser and Particle Beams, 2025, 37(7): 073001

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    Paper Information

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    Received: Mar. 8, 2025

    Accepted: Jun. 1, 2025

    Published Online: Jul. 18, 2025

    The Author Email:

    DOI:10.11884/HPLPB202537.250042

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology