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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 26, Iss. 24 — Dec. 15, 2001
  • pp: 1972–1974

Enhanced light transmission through a single subwavelength aperture

Tineke Thio, K. M. Pellerin, R. A. Linke, H. J. Lezec, and T. W. Ebbesen  »View Author Affiliations


Optics Letters, Vol. 26, Issue 24, pp. 1972-1974 (2001)
http://dx.doi.org/10.1364/OL.26.001972


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Abstract

The optical transmission through a subwavelength aperture in a metal film is strongly enhanced when the incident light is resonant with surface plasmons at the corrugated metal surface surrounding the aperture. Conversely, the aperture acts as a novel probe of the surface plasmons, yielding useful insights for optimizing the transmission enhancement. For the optimal corrugation geometry, a set of concentric circular grooves, three times more light is transmitted through the central subwavelength aperture than directly impinges upon it. This effect is useful in the fabrication of near-field optical devices with extremely high optical throughput.

© 2001 Optical Society of America

OCIS Codes
(180.5810) Microscopy : Scanning microscopy
(210.0210) Optical data storage : Optical data storage
(230.3990) Optical devices : Micro-optical devices
(240.6680) Optics at surfaces : Surface plasmons

Citation
Tineke Thio, K. M. Pellerin, R. A. Linke, H. J. Lezec, and T. W. Ebbesen, "Enhanced light transmission through a single subwavelength aperture," Opt. Lett. 26, 1972-1974 (2001)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-26-24-1972

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