Coupled dipole approximation across the Γ-point in a finite-sized nanoparticle array

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We study the response of a finite-sized nanoparticle array to an incident field in the vicinity of the Γ-point of the lattice. Using the coupled dipole approximation, we find that the dipole distributions can be strongly inhomogeneous and that strong modulations appear as the energy is above the Γ-point. We highlight how this is reflected in real-space extinction efficiencies as well as in radiation patterns from the finite-sized array.

Yksityiskohdat

AlkuperäiskieliEnglanti
Artikkeli0316
JulkaisuPHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A: MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES
Vuosikerta375
Numero2090
TilaJulkaistu - 20 helmikuuta 2017
OKM-julkaisutyyppiA1 Julkaistu artikkeli, soviteltu

ID: 11088988