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Leaky-wave radiation from planar negative-refractive-index transmission-line metamaterials

By: Iyer, A.K.; Eleftheriades, G.V.;

2004 / IEEE / 0-7803-8302-8

Description

This item was taken from the IEEE Conference ' Leaky-wave radiation from planar negative-refractive-index transmission-line metamaterials ' This paper examines the radiation properties of one- and two-dimensional transmission-line negative-refractive-index (NRI) metamaterial antennas, and highlights the critical features of their dispersion characteristics as they pertain to leaky-wave radiation. This permits an explanation of the mechanisms with which backward, broadside or forward beams can be obtained from NRI transmission-line metamaterials. This discussion is supported by numerical simulations as well as by experimental results.