Journal of Infrared and Millimeter Waves, Volume. 41, Issue 2, 437(2022)

Design and test of a low voltage suspended dual-microstrip meander-line slow wave structure at Ka band

Teng-Long HE1, Shao-Meng WANG1, Xin-Yi LI2, Duo XU1, He-Xin WANG1, Ning-Jie SHI1, Hua-Rong GONG1, Zhi-Gang LU1, Zhan-Liang WANG1, Zhao-Yun DUAN1, and Yu-Bin GONG1、*
Author Affiliations
  • 1School of Electronic Science and Engineering,University of Electronic Science and Technology of China,Chengdu 610054,China
  • 2Nanjing Sanle Electronic Group Company Ltd.,Nanjing 210009,China
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    Figures & Tables(16)
    (a)The diagram unit model of the SDMML SWS,and (b) size view
    The electric field of (a) the odd mode, and (b) the even mode
    The dispersion curves of the SDMML SWS
    The interaction impedance curves of the odd mode of the SDMML SWS and conventional microstrip SWS
    (a) Output power, gain and (b) saturation power, gain curves of the SDMML SWSs with single and dual beam
    Electron bunching above the SDMML SWS
    Frequency spectrum of output signal(35 GHz)
    The model of the SDMML SWS with the input/output coupler
    The simulation transmission characteristics curves of the whole structure
    The SDMML SWS after laser processing (a) top view, (b) bottom view.
    The cold testing tube model and the pictures of the SDMML SWS and test tube
    The cold testing result of the SDMML SWS
    (a) Diagram of oxidation area of the copper layer processed by laser, and (b) the model of oxidation area in simulation
    The comparison of transmission loss S21 of experiment and some kind of simulated models
    • Table 1. Dimensional parameters of the designed SWS

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      Table 1. Dimensional parameters of the designed SWS

      ParametersValueParametersValue
      a/mm0.8w/mm0.1
      b0.184h/mm0.5
      t/mm0.01ls/mm1.6
      ws/mm0.368ds/mm0.2
    • Table 2. The operating parameters for hot performance simulation

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      Table 2. The operating parameters for hot performance simulation

      Operating parametersValueOperating parametersValue
      Voltage2050 VBeam-SWS distance0.05 mm
      Current0.1 A*2Focusing magnetic field0.2 T
      Cathode size0.8 mm*0.2 mmInput signal power50 mW
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    Teng-Long HE, Shao-Meng WANG, Xin-Yi LI, Duo XU, He-Xin WANG, Ning-Jie SHI, Hua-Rong GONG, Zhi-Gang LU, Zhan-Liang WANG, Zhao-Yun DUAN, Yu-Bin GONG. Design and test of a low voltage suspended dual-microstrip meander-line slow wave structure at Ka band[J]. Journal of Infrared and Millimeter Waves, 2022, 41(2): 437

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    Paper Information

    Category: Research Articles

    Received: Apr. 22, 2021

    Accepted: --

    Published Online: Jul. 8, 2022

    The Author Email: Yu-Bin GONG (ybgong@uestc.edu.cn)

    DOI:10.11972/j.issn.1001-9014.2022.02.009

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