Journal of Infrared and Millimeter Waves, Volume. 41, Issue 4, 690(2022)

Research on millimeter-wave ridged half-mode waveguide filter based on periodic defected ground structure

Qi-Hui ZHOU1,2 and Chen-Xi LIU2、*
Author Affiliations
  • 1National Innovation Institute of Defense Technology,Academy of Military Sciences,Beijing 100071,China
  • 2College of Electronic Science,National University of Defense Technology,Changsha 410073,China
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    Figures & Tables(7)
    The fundamental mode electric field distributions(at 30 GHz)of(a)rectangle waveguide. and(b)ridged half-mode waveguide.(Parameters: w1 = 5 500,h1 = 400,w = 1 000,wr = 1 000,h = 400,hr = 200,unit:µm)
    Equivalent transverse circuit of the RHMW
    The structure of the RHMW filter(a)top view(b)3D view without wafer or transitions(c)geometry of the DGS unit(d)side view(Parameters:l = 3 000,wT = 1450,w = 725,wr = 725,p = 550,ls = 440,ws = 560,d = 360,g = 200,s = 20,hr = 50,h = 100,unit:µm)
    The full-wave simulated S-parameters of the filter (a) with different wT (wr/wT = 0.5), (b) with different ls
    Microfabrication process flow of the RHMW filter
    (a)The microscope image of the fabricated filter,(b)the laser confocal microscope 3-D images of the sidewall,(c)curve fitting of the sidewall
    The comparison of the S-parameters between the original model,modified model and the prototype
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    Qi-Hui ZHOU, Chen-Xi LIU. Research on millimeter-wave ridged half-mode waveguide filter based on periodic defected ground structure[J]. Journal of Infrared and Millimeter Waves, 2022, 41(4): 690

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    Paper Information

    Category: Research Articles

    Received: Oct. 25, 2021

    Accepted: --

    Published Online: Dec. 13, 2022

    The Author Email: Chen-Xi LIU (liuchenxi09@nudt.edu.cn)

    DOI:10.11972/j.issn.1001-9014.2022.04.006

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