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Proceedings Paper

Eigenvector expansion of discrete-dipole approximation: application to the simulation of optical extinction and electron energy-loss spectroscopies of coupled metallic nanoparticles (presentation video)
Author(s): Stéphane-Olivier Guillaume; F. Javier Garcia de Abajo; Luc Henrard
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Paper Abstract

The response of coupled metallic nanoparticles of various shapes to excitations by plane waves and an electron beam is investigated numerically within an efficient eigenvector expansion of the discrete-dipole approximation (DDA). It is shown that this procedure allows to reduce significantly the size of the system of equations to be solved (hence the computationnal effort) when one considers multiparticle systems. The results are then confronted to standard DDA for validation.

Paper Details

Date Published: 17 August 2014
PDF: 1 pages
Proc. SPIE 9163, Plasmonics: Metallic Nanostructures and Their Optical Properties XII, 91631J (17 August 2014); doi: 10.1117/12.2059576
Show Author Affiliations
Stéphane-Olivier Guillaume, Univ. of Namur (Belgium)
F. Javier Garcia de Abajo, ICFO - Institut de Ciències Fotòniques (Spain)
Institució Catalana de Recerca i Estudis Avançats (Spain)
Luc Henrard, Facultes Univ. Notre Dame de la Paix (Belgium)

Published in SPIE Proceedings Vol. 9163:
Plasmonics: Metallic Nanostructures and Their Optical Properties XII
Allan D. Boardman, Editor(s)

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