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Proceedings Paper

Coupling light to a localized surface plasmon-polariton
Author(s): Mario Agio; Gert Zumofen; Nassiredin M. Mojarad; Vahid Sandoghdar
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Paper Abstract

We investigate the interaction of focused Gaussian and radially-polarized beams with a silver nanosphere, with emphasis on the coupling to localized surface plasmon-polaritons. We discuss the overall efficiency, including the effect of the entrance pupil and of absorption in the nanosphere, showing that a Gaussian beam performs better than a radially-polarized beam, when focused by an aplanatic system. We find that more than 50% of the photons in the incident beam can be reflected using realistic focusing parameters.

Paper Details

Date Published: 2 September 2009
PDF: 9 pages
Proc. SPIE 7395, Plasmonics: Nanoimaging, Nanofabrication, and their Applications V, 739512 (2 September 2009); doi: 10.1117/12.825912
Show Author Affiliations
Mario Agio, ETH Zürich (Switzerland)
Gert Zumofen, ETH Zürich (Switzerland)
Nassiredin M. Mojarad, ETH Zürich (Switzerland)
Vahid Sandoghdar, ETH Zürich (Switzerland)


Published in SPIE Proceedings Vol. 7395:
Plasmonics: Nanoimaging, Nanofabrication, and their Applications V
Satoshi Kawata; Vladimir M. Shalaev; Din Ping Tsai, Editor(s)

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