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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 1 — Jan. 1, 2009
  • pp: 88–90

Experimental observation of subwavelength localization using metamaterial-based cavities

Humeyra Caglayan, Irfan Bulu, Marko Loncar, and Ekmel Ozbay  »View Author Affiliations


Optics Letters, Vol. 34, Issue 1, pp. 88-90 (2009)
http://dx.doi.org/10.1364/OL.34.000088


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Abstract

We report subwavelength localization of electromagnetic fields within cavities based on metamaterials. Cavity resonances are observed in the transmission spectrum of a split-ring resonator and composite metamaterials cavity structures. These cavity resonances are shown to exhibit high-quality factors. Since the unit cells of metamaterials are much smaller than the operation wavelength, subwavelength localization is possible within these metamaterial cavity structures. In the present Letter, we show that the electromagnetic field is localized into a region of λ 8 , where λ is the cavity resonance wavelength.

© 2008 Optical Society of America

OCIS Codes
(350.4010) Other areas of optics : Microwaves
(160.3918) Materials : Metamaterials

ToC Category:
Materials

History
Original Manuscript: August 5, 2008
Revised Manuscript: November 11, 2008
Manuscript Accepted: November 23, 2008
Published: December 24, 2008

Citation
Humeyra Caglayan, Irfan Bulu, Marko Loncar, and Ekmel Ozbay, "Experimental observation of subwavelength localization using metamaterial-based cavities," Opt. Lett. 34, 88-90 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-1-88


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