CST – Computer Simulation Technology

Forward and backward leaky wave radiation in split-ring-resonator-based metamaterials
I. Arnedo, J. Illescas, M. Flores, T. Lopetegi, M.A.G. Laso, F. Falcone, J. Bonache, J. Garci´a-Garci´a, F. Marti´n, J.A. Marcotegui, R. Marque´ s, M. Sorolla
Microwaves, Antennas & Propagation, IET
Volume: 1, Issue: 1, February 2007
The ability of planar left-handed metamaterials (LHMs) based on split-ring resonators (SRRs) to radiate backwards in a certain frequency range, as predicted by theory, is demonstrated. A comparison between an LHM and a negative permeability metamaterial in terms of the experimental backward and forward radiation cones (which are related to their dispersion diagrams) is carried out. The results of this work open the possibility to use SRRs as miniaturised and flexible radiating elements for antennas and arrays in wireless communication applications.

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