Dragnea, B.
, Szarko, J.
, Kowarik, S.
, Feldmann, J.
, Wiemann, T.
and Leone, S.
(2003),
Near-Field Plasmon Excitation on Structured Gold Films, Nano Letters
(Accessed July 27, 2024)
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Near-Field Plasmon Excitation on Structured Gold Films
Published
Author(s)
B Dragnea, J Szarko, S Kowarik, J Feldmann, T Wiemann,
Abstract
Surface plasmon polariton (SPP) localization control on rough metal surfaces has been achieved by varying the gap between a scanning near-field aperture probe and the surface. The qualitative explanation for this observation is based on the overlapping of spatial frequencies available for near-field excitation of the SPP, with the spectral distribution of spatial frequencies characterizing the surface roughness. We show in this Letter how this property, intrinsic to near-field microscopes, can be used to selectively excite surface electromagnetic states on nanostructures.Citation
Nano Letters
Volume
3
Issue
No. 1
Pub Type
Journals
Keywords
nanostructures, near-field scanning, surface plasmon polariton
Citation
Issues
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Created December 31, 2002, Updated October 12, 2021