Engineering the Electromagnetic Properties of Periodic Nanostructures Using Electrostatic Resonances

Gennady Shvets and Yaroslav A. Urzhumov
Phys. Rev. Lett. 93, 243902 – Published 8 December 2004

Abstract

Electromagnetic properties of periodic two-dimensional subwavelength structures consisting of closely packed inclusions of materials with negative dielectric permittivity ϵ in a dielectric host with positive ϵh can be engineered using the concept of multiple electrostatic resonances. Fully electromagnetic solutions of Maxwell's equations reveal multiple wave propagation bands, with the wavelengths much longer than the nanostructure period. Some of these bands are described using the quasistatic theory of the effective dielectric permittivity ϵqs. Those bands exhibit multiple cutoffs and resonances which are found to be related to each other through a duality condition. An additional propagation band characterized by a negative magnetic permeability is found. Imaging with subwavelength resolution in that band is demonstrated.

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  • Received 11 March 2004

DOI:https://doi.org/10.1103/PhysRevLett.93.243902

©2004 American Physical Society

Authors & Affiliations

Gennady Shvets and Yaroslav A. Urzhumov

  • Department of Physics, The University of Texas at Austin, Austin, Texas 78712, USA

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Issue

Vol. 93, Iss. 24 — 10 December 2004

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