Journal of Infrared and Millimeter Waves, Volume. 42, Issue 1, 43(2023)

Effect of a planar metamaterial on the efficiency improvement and parasitic oscillations suppression of a meander-line slow wave traveling wave tube

Zhou-Qi-Jun LI1...2, Zheng WEN1,2, Zhi-Qiang ZHANG1,*, and Ji-Run LUO12 |Show fewer author(s)
Author Affiliations
  • 1Key Laboratory of High power Microwave Sources and Technologies,Aerospace Information Research Institute,Chinese Academy of Sciences,Beijing 101407,China
  • 2University of Chinese Academy of Sciences,Beijing 100049,China
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    Figures & Tables(18)
    The schematic diagram of the structural parameters of the U-ML-SWS
    S parameter of the optimized ML-SWS
    Coupling impedance of the optimized ML-SWS
    Dispersion and 2500 V beam voltage line diagram of the ML-SWS
    Frequency domain diagram of output signal with input signal of 28 GHz
    Frequency domain diagram of output signal under 31 GHz input signal
    Structure of the metamaterial
    E-field diagram of input signal in SWS (a) metamaterials unloaded (b) metamaterials loaded
    Simulation model of planar metamaterial absorption property
    Absorption rate of planar metamaterial at different positions
    Single period model of the new SWS
    Dispersion of the new SWS
    S parameter of the new SWS
    Frequency domain diagram when h2=0.068 mm
    Relationship of output power and gain with frequency of the new SWS
    Relationship of output power with beam current of the new SWS
    • Table 1. SWS size parameters

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      Table 1. SWS size parameters

      变量值(mm)
      gap0.24
      l0.82
      b0.026
      d0.017
      h0.03
    • Table 2. Metamaterial size parameters

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      View in Article

      Table 2. Metamaterial size parameters

      变量值(mm)
      am3220
      gm3240-0.07
      em0.02
      dm0.01
      hm0.16
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    Zhou-Qi-Jun LI, Zheng WEN, Zhi-Qiang ZHANG, Ji-Run LUO. Effect of a planar metamaterial on the efficiency improvement and parasitic oscillations suppression of a meander-line slow wave traveling wave tube[J]. Journal of Infrared and Millimeter Waves, 2023, 42(1): 43

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    Paper Information

    Category: Research Articles

    Received: Jun. 6, 2022

    Accepted: --

    Published Online: Feb. 23, 2023

    The Author Email: Zhi-Qiang ZHANG (zhangzq@aircas.ac.cn)

    DOI:10.11972/j.issn.1001-9014.2023.01.007

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