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Optics Letters

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  • Vol. 26, Iss. 16 — Aug. 15, 2001
  • pp: 1286–1288

Influence of nanoscale cutoff in random self-affine fractal silver surfaces on the excitation of localized optical modes

José A. Sánchez-Gil, José V. García-Ramos, and Eugenio R. Méndez  »View Author Affiliations


Optics Letters, Vol. 26, Issue 16, pp. 1286-1288 (2001)
http://dx.doi.org/10.1364/OL.26.001286


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Abstract

We report rigorous numerical calculations of the near field scattered from rough, one-dimensional self-affine fractal silver surfaces. We show that fractal lower-scale cutoff (decreased to the order of tens of nanometers) has a strong effect on excitation and strength of localized optical modes, leading to very large enhancements of the intensity (larger than 104) and fluctuations of the electric field.

© 2001 Optical Society of America

OCIS Codes
(180.5810) Microscopy : Scanning microscopy
(190.4350) Nonlinear optics : Nonlinear optics at surfaces
(240.6680) Optics at surfaces : Surface plasmons
(290.4210) Scattering : Multiple scattering
(290.5880) Scattering : Scattering, rough surfaces
(300.6450) Spectroscopy : Spectroscopy, Raman

Citation
José A. Sánchez-Gil, José V. García-Ramos, and Eugenio R. Méndez, "Influence of nanoscale cutoff in random self-affine fractal silver surfaces on the excitation of localized optical modes," Opt. Lett. 26, 1286-1288 (2001)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-26-16-1286


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