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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 6 — Mar. 19, 2007
  • pp: 3488–3495

Optimization of surface plasmons launching from subwavelength hole arrays: modelling and experiments

J.-Y. Laluet, E. Devaux, C. Genet, T. W. Ebbesen, J.-C. Weeber, and A. Dereux  »View Author Affiliations


Optics Express, Vol. 15, Issue 6, pp. 3488-3495 (2007)
http://dx.doi.org/10.1364/OE.15.003488


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Abstract

The launching of surface plasmons by micro-gratings of subwavelength apertures milled in a thick metal film is important for the development of surface plasmon based circuits. By comparing the near-field optical images of such surface plasmon sources with the results of a Huygens-Fresnel principle based scattering model, we show that the properties of the locally launched SP beams such as divergence or uniformity can be tuned by adjusting the shape of the micro-gratings. This allows us to propose an optimized source array well adapted for providing a narrow, collimated and uniform beam.

© 2007 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(230.1950) Optical devices : Diffraction gratings
(240.6680) Optics at surfaces : Surface plasmons

ToC Category:
Optics at Surfaces

History
Original Manuscript: November 27, 2006
Revised Manuscript: February 5, 2007
Manuscript Accepted: February 5, 2007
Published: March 19, 2007

Citation
J.-Y. Laluet, E. Devaux, C. Genet, T. W. Ebbesen, J.-C. Weeber, and A. Dereux, "Optimization of surface plasmons launching from subwavelength hole arrays: modelling and experiments," Opt. Express 15, 3488-3495 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-6-3488


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References

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