Eigenvector expansion of discrete-dipole approximation: application to the simulation of optical extinction and electron energy-loss spectroscopies of coupled metallic nanoparticles (presentation video)

Stéphane-Olivier Guillaume; F. Javier Garcia de Abajo; Luc Henrard

doi:10.1117/12.2059576

17 August 2014 Eigenvector expansion of discrete-dipole approximation: application to the simulation of optical extinction and electron energy-loss spectroscopies of coupled metallic nanoparticles (presentation video)

Stéphane-Olivier Guillaume, F. Javier Garcia de Abajo, Luc Henrard

Author Affiliations +

Proceedings Volume 9163, Plasmonics: Metallic Nanostructures and Their Optical Properties XII; 91631J (2014) https://doi.org/10.1117/12.2059576
Event: SPIE NanoScience + Engineering, 2014, San Diego, California, United States

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.

Citation Download Citation

Stéphane-Olivier Guillaume, F. Javier Garcia de Abajo, and Luc Henrard "Eigenvector expansion of discrete-dipole approximation: application to the simulation of optical extinction and electron energy-loss spectroscopies of coupled metallic nanoparticles (presentation video)", Proc. SPIE 9163, Plasmonics: Metallic Nanostructures and Their Optical Properties XII, 91631J (17 August 2014); https://doi.org/10.1117/12.2059576

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