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Theory of Highly Directional Emission from a Single Subwavelength Aperture Surrounded by Surface Corrugations

L. Martín-Moreno, F. J. García-Vidal, H. J. Lezec, A. Degiron, and T. W. Ebbesen
Phys. Rev. Lett. 90, 167401 – Published 23 April 2003
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Abstract

We present a theoretical foundation for the beaming of light displayed by a single subwavelength aperture in an appropriately corrugated metal film [H. J. Lezec et al., Science 297, 820 (2002)]. Good agreement is found between calculations and experimental data. We show that beaming is due to the formation of electromagnetic surface resonances and that the beam direction, width, and wavelength at which it occurs can be selected by tuning geometrical parameters of the structure.

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  • Received 16 July 2002

DOI:https://doi.org/10.1103/PhysRevLett.90.167401

©2003 American Physical Society

Authors & Affiliations

L. Martín-Moreno1, F. J. García-Vidal2, H. J. Lezec3, A. Degiron3, and T. W. Ebbesen3

  • 1Departamento de Física de la Materia Condensada, ICMA-CSIC, Universidad de Zaragoza, E-50009 Zaragoza, Spain
  • 2Departamento de Física Teórica de la Materia Condensada, Universidad Autónoma de Madrid, E-28049 Madrid, Spain
  • 3ISIS, Université Louis Pasteur, 67000 Strasbourg, France

See Also

Groovy Metal Focuses Light

Ernie Tretkoff
Phys. Rev. Focus 11, 17 (2003)

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Issue

Vol. 90, Iss. 16 — 25 April 2003

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