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[Keyword] slow wave effect(1hit)

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  • Slow-Wave Half Mode Substrate Integrated Waveguide with Partially Polyline Loading

    Haiyan JIN  Xinlin XUE  Ran CHENG  Hailu JIN  

     
    BRIEF PAPER-Electromagnetic Theory

      Vol:
    E99-C No:12
      Page(s):
    1323-1326

    In this paper, a novel slow-wave half mode substrate integrated waveguide (SW-HMSIW) structure is presented and experimentally demonstrated, and some interesting slow-wave propagation effects are obtained. The SW-HMSIW enables the cutoff frequency reduction and phase velocity to decrease without sacrificing its performance at the same lateral dimension, which equivalently reduces the lateral dimension and longitudinal size at the same frequency. Specifically, with the different loading microstrip width, a cutoff frequency reduction of 16%, 25%, 30% is achieved compared to the conventional HMSIW at the same lateral dimension. Both lateral and longitudinal size reductions significantly extend the operating range of SIW structures to low frequency region.