High Power Laser and Particle Beams, Volume. 36, Issue 3, 033001(2024)

Achieving prolonged continuous operation of a self-designed 28 GHz/50 kW gyrotron

Linlin Hu, Qili Huang, Tingting Zhuo, Peng Hu, Shenggang Gong, Dimin Sun, Yi Jiang, Guowu Ma*, Hongbin Chen, and Hongge Ma
Author Affiliations
  • Institute of Applied Electronics, CAEP, Mianyang 621900, China
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    Figures & Tables(4)
    Photographs of the 28 GHz/50 kW gyrotron and experimental setup
    Long-time operation results with different power levels
    • Table 1. Parameters of the 28 GHz/50 kW gyrotron

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      Table 1. Parameters of the 28 GHz/50 kW gyrotron

      No.parametervalue
      1output powerserval power points during 10~50 kW
      2pulse widthcontinuous wave
      3total beam voltage−50 kV
      4beam current3 A
      5MIG (magnetron injection gun)triode type
      6cavity modeTE02
      7working magnetic field1.05 T
      8output modequasi-Gaussian beam with beam radius of 25 mm
      9windowBN disk
      10collectorsingle-stage depressed collector
      11MOU (matching optics unit)output waist radius of 28.8 mm
      12efficiency>30% (45% with SDC)
    • Table 2. Operating records and time of the 28 GHz /50 kW gyrotron

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      Table 2. Operating records and time of the 28 GHz /50 kW gyrotron

      No.cathode voltage/kVcathode current/Apower/kWtest operating time/s
      1−38.41.52163 000
      2−40.81.4426900
      3−40.02.56461 800
      4−41.22.8050300
      5−40.82.003224 000
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    Linlin Hu, Qili Huang, Tingting Zhuo, Peng Hu, Shenggang Gong, Dimin Sun, Yi Jiang, Guowu Ma, Hongbin Chen, Hongge Ma. Achieving prolonged continuous operation of a self-designed 28 GHz/50 kW gyrotron[J]. High Power Laser and Particle Beams, 2024, 36(3): 033001

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    Paper Information

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    Received: Feb. 1, 2024

    Accepted: Feb. 28, 2024

    Published Online: Mar. 20, 2024

    The Author Email: Guowu Ma (huter_ma@126.com)

    DOI:10.11884/HPLPB202436.240049

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