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Optics Letters

Optics Letters


  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 15 — Aug. 1, 2014
  • pp: 4587–4590

Double-negative metamaterial from conducting spheres with a high-permittivity shell

Scott Townsend, Shiwei Zhou, and Qing Li  »View Author Affiliations

Optics Letters, Vol. 39, Issue 15, pp. 4587-4590 (2014)

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A three-dimensional, isotropic metamaterial with double-negative behavior is proposed. The material comprises metallic spheres coated in a high-permittivity shell and dispersed in a host medium. In stark contrast to other Mie resonance-based metamaterial designs, ours relies on the metallic phase behaving as a near-perfect electric conductor, rather than a plasmonic. As such, by tuning the particle dimensions, double-negative behavior can be achieved at any frequency where one can find high-conductivity and high-permittivity materials.

© 2014 Optical Society of America

OCIS Codes
(290.4020) Scattering : Mie theory
(260.2065) Physical optics : Effective medium theory
(160.3918) Materials : Metamaterials

ToC Category:

Original Manuscript: May 21, 2014
Manuscript Accepted: June 24, 2014
Published: July 31, 2014

Scott Townsend, Shiwei Zhou, and Qing Li, "Double-negative metamaterial from conducting spheres with a high-permittivity shell," Opt. Lett. 39, 4587-4590 (2014)

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