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Leakage Properties of Stub-Loaded Ridge-Rectangular Waveguides
Mikio TSUJI Hiroshi SHIGESAWA
IEICE TRANSACTIONS on Electronics
Publication Date: 2005/09/01
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Electromagnetic Theory
leakage, leaky-wave antenna, ridge waveguide,
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We have presented a new analytical method for the stub-loaded ridge waveguide that is a candidate of leaky-wave antennas in the millimeter-wave region. This guide has many singular conductor edges, so that its accurate analysis is very difficult. The present method overcomes such difficulty by introducing the singular fields at the edges into the field expressions beforehand. Then we have investigated the dispersion characteristics for various structural parameters, to find a structure suitable to antenna applications. Finally, we have verified their behavioral feature experimentally.