Resonant leaky-wave coupling in linear arrays of antiguides

13 October 1988

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 24 (21) , 1328-1330
https://doi.org/10.1049/el:19880903

Abstract

In a uniform array of antiguides, when codirectional leaky waves from adjacent elements add in phase each element equally couples to all others, causing the fundamental-mode near field to become uniform. The resonance condition is derived. When codirectional leaky waves are out of phase, coupling is only nearest-neighbour, causing the fundamentalmode near-field intensity envelope to be cosine-like. The consequences are discussed.

Keywords

COSINE-LIKE
COUPLING
ANTIGUIDES
CODIRECTIONAL LEAKY WAVES
FUNDAMENTAL-MODE NEAR-FIELD INTENSITY ENVELOPE
LINEAR ARRAYS
RESONANCE CONDITION
FUNDAMENTAL-MODE NEAR FIELD
UNIFORM ARRAY

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