Coordinate transformation based design of confined metamaterial structures

Borislav Vasić, Goran Isić, Radoš Gajić, and Kurt Hingerl
Phys. Rev. B 79, 085103 – Published 9 February 2009

Abstract

The coordinate transformation method is applied to bounded domains to design metamaterial devices for steering spatially confined electromagnetic fields. Both waveguide and free-space beam applications are considered as these are analogous within the present approach. In particular, we describe devices that bend the propagation direction and squeeze confined electromagnetic fields. Two approaches in nonmagnetic realization of these structures are examined. The first is based on using a reduced set of material parameters, and the second on finding nonmagnetic transformation media. It is shown that transverse-magnetic fields can be bent or squeezed to an arbitrary extent and without reflection using only dielectric structures.

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  • Received 19 June 2008

DOI:https://doi.org/10.1103/PhysRevB.79.085103

©2009 American Physical Society

Authors & Affiliations

Borislav Vasić1,*, Goran Isić2,1, Radoš Gajić1, and Kurt Hingerl3

  • 1Institute of Physics, Pregrevica 118, P.O. Box 68, 11080 Belgrade, Serbia
  • 2School of Electronic and Electrical Engineering, University of Leeds, Leeds LS2 9JT, United Kingdom
  • 3Zentrum für Oberflächen- und Nanoanalytik, Universität Linz, Altenbergerstr. 69, A-4040 Linz, Austria

  • *bvasic@phy.bg.ac.yu

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Issue

Vol. 79, Iss. 8 — 15 February 2009

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