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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry Van Driel
  • Vol. 26, Iss. 11 — Nov. 1, 2009
  • pp: 2131–2135

Nanocavity antenna array for enhancing extraordinary optical transmission of light through a metallic nanoslit

Yanxia Cui, Jun Hu, and Sailing He  »View Author Affiliations


JOSA B, Vol. 26, Issue 11, pp. 2131-2135 (2009)
http://dx.doi.org/10.1364/JOSAB.26.002131


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Abstract

The transmission of light through a single nanoslit milled in the metallic film is enhanced by using an array of nanocavity antennas. It is shown that transmission efficiency through a 25 - nm -wide silver nanoslit can be enhanced to η = 151 when six pairs of nanostrips are placed 50 nm away from the input surface of the silver film at wavelength λ 0 = 1 μ m . The influences of both the nanoslit position and the slit-to-strip distance on the extraordinary transmission are investigated, and the physical mechanism is explained.

© 2009 Optical Society of America

OCIS Codes
(050.2230) Diffraction and gratings : Fabry-Perot
(240.0310) Optics at surfaces : Thin films
(240.6680) Optics at surfaces : Surface plasmons
(310.6628) Thin films : Subwavelength structures, nanostructures

ToC Category:
Thin Films

History
Original Manuscript: March 16, 2009
Revised Manuscript: July 23, 2009
Manuscript Accepted: September 2, 2009
Published: October 26, 2009

Citation
Yanxia Cui, Jun Hu, and Sailing He, "Nanocavity antenna array for enhancing extraordinary optical transmission of light through a metallic nanoslit," J. Opt. Soc. Am. B 26, 2131-2135 (2009)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-26-11-2131

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