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Proceedings Paper

Plasmon scanner and multiplexer
Author(s): Vitalii Vlasko-Vlasov; Alexandra Imre; John Pearson; Jon Hiller; Ulrich Welp
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Paper Abstract

Nanoholes and nanoslits are efficient sources of plasmons on metal surfaces. We use arc-shaped nanoslits in thin silver films for generating sub-wavelength plasmon spots with enhanced optical near-fields. Introduction of a continuous phase delay along the nanoslits shifts the position of the plasmon focus spot. We show experimentally that such a phase control allows to scan the plasmon focus by micrometers with a nanometer precision and to launch it on separate silver nanowires placed in the focal plane. These experiments, demonstrating scanning and multiplexing functionality, show the feasibility of the nanoscale manipulation with optical fields.

Paper Details

Date Published: 26 August 2008
PDF: 6 pages
Proc. SPIE 7032, Plasmonics: Metallic Nanostructures and Their Optical Properties VI, 703221 (26 August 2008); doi: 10.1117/12.796651
Show Author Affiliations
Vitalii Vlasko-Vlasov, Argonne National Lab. (United States)
Alexandra Imre, Argonne National Lab. (United States)
John Pearson, Argonne National Lab. (United States)
Jon Hiller, Argonne National Lab. (United States)
Ulrich Welp, Argonne National Lab. (United States)

Published in SPIE Proceedings Vol. 7032:
Plasmonics: Metallic Nanostructures and Their Optical Properties VI
Mark I. Stockman, Editor(s)

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