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Proceedings Paper

Extinction and scattering of metallic nanoparticles in ordered and random arrays
Author(s): Christopher P. Burrows; William L. Barnes
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Paper Abstract

Here we investigate the interaction of metallic nanoparticles which support localized surface plasmon resonances (LSPR). We use dark-field spectroscopy and normal-incidence transmission spectroscopy to investigate the scattering and extinction of metallic nanoparticles on their own and in both ordered and random arrays. We compare experimental results with theory based on the coupled dipole approximation (CDA) and the finite-element method (FEM). CDA is used to demonstrate the ability to indirectly measure the extinction of an individual particle by considering a sparse, disordered, finite array of particles.

Paper Details

Date Published: 10 September 2010
PDF: 11 pages
Proc. SPIE 7757, Plasmonics: Metallic Nanostructures and Their Optical Properties VIII, 77572I (10 September 2010); doi: 10.1117/12.860956
Show Author Affiliations
Christopher P. Burrows, Univ. of Exeter (United Kingdom)
William L. Barnes, Univ. of Exeter (United Kingdom)

Published in SPIE Proceedings Vol. 7757:
Plasmonics: Metallic Nanostructures and Their Optical Properties VIII
Mark I. Stockman, Editor(s)

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