Wavelength Analysis Using Equivalent Circuits in a Fast and Slow Wave Waffle-Iron Ridge Guide

Hideki KIRINO  Kazuhiro HONDA  Kun LI  Koichi OGAWA  

IEICE TRANSACTIONS on Communications   Vol.E100-B   No.2   pp.219-226
Publication Date: 2017/02/01
Online ISSN: 1745-1345
DOI: 10.1587/transcom.2016WSP0003
Type of Manuscript: Special Section PAPER (Special Section on Antenna and Propagation Technologies Contributing to Realization of Next Generation Wireless Systems)
waffle-iron,  ridge,  waveguide,  fast wave,  slow wave,  wavelength,  array antenna,  

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In this paper we use equivalent circuits to analyze the wavelengths in a Fast and Slow wave Waffle-iron Ridge Guide (FS-WRG). An equivalent circuit for the transverse direction is employed and the transverse resonance method is used to determine the fast wave wavelength. Another equivalent circuit, for the inserted series reactance in the waveguide, is employed for the fast and slow wave wavelength. We also discuss the physical system that determines the wavelengths and the accuracy of this analysis by comparing the wavelengths with those calculated by EM-simulation. Furthermore, we demonstrate use of the results obtained in designing an array antenna.