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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 5 — Mar. 1, 2010
  • pp: 643–645

Single negative birefringence in stacked spoof plasmon metasurfaces by prism experiment

M. Beruete, M. Navarro-Cía, F. Falcone, I. Campillo, and M. Sorolla  »View Author Affiliations


Optics Letters, Vol. 35, Issue 5, pp. 643-645 (2010)
http://dx.doi.org/10.1364/OL.35.000643


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Abstract

We report negative and positive refraction in a prism made of stacked perforated thin surfaces for s and p polarization, respectively. By corrugating the subwavelength slits of a free-standing periodic arrangement, geometrically induced surface-plasmon-like currents are excited and transmission is allowed under s polarization (electric-field vector parallel to the slit). When several of those corrugated slit arrays are subwavelength stacked, the stack behaves as a negative effective index medium (because of double negativity) under s polarization, whereas it behaves as a positive effective index medium under p polarization. The birefringence has been confirmed by the usual wedge experiment in the millimeter-wave range.

© 2010 Optical Society of America

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(240.6690) Optics at surfaces : Surface waves
(160.1245) Materials : Artificially engineered materials
(050.2065) Diffraction and gratings : Effective medium theory
(160.3918) Materials : Metamaterials
(050.6624) Diffraction and gratings : Subwavelength structures

ToC Category:
Materials

History
Original Manuscript: October 14, 2009
Revised Manuscript: January 14, 2010
Manuscript Accepted: January 18, 2010
Published: February 22, 2010

Citation
M. Beruete, M. Navarro-Cía, F. Falcone, I. Campillo, and M. Sorolla, "Single negative birefringence in stacked spoof plasmon metasurfaces by prism experiment," Opt. Lett. 35, 643-645 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-5-643

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