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Proceedings Paper

Electromagnetic eigenstates applied to the theoretical discussion of meta-materials with negative refraction
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Paper Abstract

The electromagnetic (EM) eigenstates of a thin, long circular cylinder, for which a very good approximate closed form expression wasderived earlier, are used to set up a numerical computation of the EM eigenstates of a cluster of parallel cylinders. Detailed results are presented for a pair of identical cylinders, as well as for a cluster of three identical cylinders, where the cylinder axes are situated at the vertices of an equilateral triangle. The aim is to find an eigenstate that has an electric dipole moment and a magnetic dipole moment of comparable magnitudes. By operating the system near such an isolated resonance, it should be possible to tweak the macroscopic response so as to have both the macroscopic electric permittivity εe and the macroscopic magnetic permeability μe attain desirable values, e.g., values that are almost real and negative. It is argued that a three-cylinder cluster is a good configuration for achieving this goal, but a two-cylinder cluster is not.

Paper Details

Date Published: 2 September 2009
PDF: 14 pages
Proc. SPIE 7394, Plasmonics: Metallic Nanostructures and Their Optical Properties VII, 73941Z (2 September 2009); doi: 10.1117/12.827484
Show Author Affiliations
David J. Bergman, Tel Aviv Univ. (Israel)
Jacob Ben-Yakar, Tel Aviv Univ. (Israel)

Published in SPIE Proceedings Vol. 7394:
Plasmonics: Metallic Nanostructures and Their Optical Properties VII
Mark I. Stockman, Editor(s)

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