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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 36, Iss. 21 — Nov. 1, 2011
  • pp: 4245–4247

Dual-band double-negative-index fishnet metamaterial at millimeter-waves

Miguel Navarro-Cía, Carlos García-Meca, Miguel Beruete, Alejandro Martínez, and Mario Sorolla  »View Author Affiliations


Optics Letters, Vol. 36, Issue 21, pp. 4245-4247 (2011)
http://dx.doi.org/10.1364/OL.36.004245


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Abstract

An effective negative refractive index (NRI) is demonstrated and experimentally verified for the first two propagation bands of a fishnet-like metamaterial at millimeter-wave frequencies. The dual-band NRI behavior is achieved by engineering the diffraction order ( ± 1 , ± 1 ) associated with the internal mode supported between holey layers to correspond with the second propagation band. In addition to the experimental interferometric technique that accounts for the handedness of the propagation, numerical results are given to predict the dual-band effective NRI and to confirm dual-band negative refraction for a prism composed of the proposed metamaterial.

© 2011 Optical Society of America

OCIS Codes
(240.6690) Optics at surfaces : Surface waves
(290.3030) Scattering : Index measurements
(160.1245) Materials : Artificially engineered materials
(050.2065) Diffraction and gratings : Effective medium theory
(160.3918) Materials : Metamaterials

ToC Category:
Materials

History
Original Manuscript: May 10, 2011
Revised Manuscript: September 20, 2011
Manuscript Accepted: September 29, 2011
Published: October 28, 2011

Citation
Miguel Navarro-Cía, Carlos García-Meca, Miguel Beruete, Alejandro Martínez, and Mario Sorolla, "Dual-band double-negative-index fishnet metamaterial at millimeter-waves," Opt. Lett. 36, 4245-4247 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-21-4245

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