Investigation of maximum optical enhancement in single gold nanowires and triple nanowire arrays

Cameron Saylor; Eric Novak; Desalegn Debu; Joseph B. Herzog

doi:10.1117/1.JNP.9.093053

16 September 2015 Investigation of maximum optical enhancement in single gold nanowires and triple nanowire arrays

Cameron Saylor, Eric Novak, Desalegn Debu, Joseph B. Herzog

Author Affiliations +

Journal of Nanophotonics, Vol. 9, Issue 1, 093053 (September 2015). https://doi.org/10.1117/1.JNP.9.093053

Abstract

This work thoroughly investigates gold nanowires with various cross-sectional geometries and patterns. The study has determined the effect of the cross section aspect ratio on its maximum optical enhancement. The plasmonic optical enhancement properties of single gold nanowires and an array of three nanowires were investigated using finite element method simulations. The results indicate a significant dependence of the optical enhancement on both the thickness and width of the nanowires. From the simulation data, an equation for each geometry (single and triple array) was found that relates the dimensions and incident wavelength to the optical enhancement. These relationships can be a valuable resource while designing nanowires to optimize the dimensions and provide the maximum possible optical enhancement.

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Cameron Saylor, Eric Novak, Desalegn Debu, and Joseph B. Herzog "Investigation of maximum optical enhancement in single gold nanowires and triple nanowire arrays," Journal of Nanophotonics 9(1), 093053 (16 September 2015). https://doi.org/10.1117/1.JNP.9.093053

Published: 16 September 2015

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KEYWORDS

Nanowires

Gold

Plasmonics

Singular optics

Nanostructures

Plasmons

Finite element methods

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CHORUS Article. This article was made freely available starting 15 September 2016

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