Journal of Infrared and Millimeter Waves, Volume. 40, Issue 4, 483(2021)

340 GHz folded diamond shaped waveguide slow-wave structure

Jing-Yu GUO, Ning-Jie SHI, He-Xin WANG, Yang DONG, Zhan-Liang WANG, Zhi-Gang LU, Zhao-Yun DUAN, Hua-Rong GONG, Yu-Bin GONG, and Shao-Meng WANG*
Author Affiliations
  • School of Electronic Science and Engineering, University of Electronic Scienceand Technology of China, Chengdu 610054, China
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    Figures & Tables(18)
    Comparison between FDSWG and FWG (a) models, and (b) electric fields.
    Dispersion curve of structures with different flare angle
    Comparison of FWG and FDSWG (a) dispersion characteristics, (b) interaction impedance Note: 1-FDSWG, 2-FWG with the same dimensions, 3-FWG with the same frequency band
    The rounded corners of FDSWG
    High frequency characteristics with different value of d (a) dispersion, and (b) interaction impedance.
    (a) Input-output couplers, and (b) electric field distribution on cross-sectional faces.
    S parameters of the input-output coupler
    Sketch of sever and attenuator.
    High frequency characteristics with different value of h (a) dispersion, and (b) interaction impedance
    Phase-velocity of slow wave versus axial distance
    3-D model of folded diamond shaped waveguide SWS.
    S parameters for the complete SWS.
    Output (a) signal, and (b) frequency spectrum
    (a)Electron bunching, and (b)power versus axial distance
    Electron kinetic energy at 20 ns.
    Comparation of output between two structures (a) output power, and (b) gain Note: 1-with phase-velocity tapering, 2-without phase-velocity tapering
    Comparison of operating frequency and bandwidth
    • Table 1. Structure dimensions /μm

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      Table 1. Structure dimensions /μm

      ParameterValue of FWGValue of FDSWG
      2a570870
      b100100
      h230240
      p180180
      r8080
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    Jing-Yu GUO, Ning-Jie SHI, He-Xin WANG, Yang DONG, Zhan-Liang WANG, Zhi-Gang LU, Zhao-Yun DUAN, Hua-Rong GONG, Yu-Bin GONG, Shao-Meng WANG. 340 GHz folded diamond shaped waveguide slow-wave structure[J]. Journal of Infrared and Millimeter Waves, 2021, 40(4): 483

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    Paper Information

    Category: Research Articles

    Received: Sep. 7, 2020

    Accepted: --

    Published Online: Sep. 9, 2021

    The Author Email: Shao-Meng WANG (wangsm@uestc.edu.cn)

    DOI:10.11972/j.issn.1001-9014.2021.04.007

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