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Planar metamaterial guiding from the perspective of geometrically induced surface plasmons

Navarro-Cía, M; Beruete, M; Falcone, F; Sorolla, M; Agrafiotis, S; Maier, SA; (2010) Planar metamaterial guiding from the perspective of geometrically induced surface plasmons. EuCAP 2010 - The 4th European Conference on Antennas and Propagation

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Abstract

Engineering concepts such as input impedance of a transmission line and equivalent circuit models are shown to be simple, yet effective tools to design surface waves-like plasmons for planar guiding with subwavelength confinement. Moreover, these well-known concepts allow merging together plasmonics and metamaterials under an engineering perspective, which may bring a wide range of possibilities to alleviate limitations of each field. As a proof of principle, classical geometrically induced surface plasmons have been analysed from this prism and correlated to their dispersion diagrams. Finally, a complementary split-ring resonantors-based configuration has been proposed leading to energy in- and out-of-plane confinement improved with respect to classical proposals.

Type:Article
Title:Planar metamaterial guiding from the perspective of geometrically induced surface plasmons
UCL classification:UCL > School of BEAMS > Faculty of Engineering Science > Electronic and Electrical Engineering

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