General scattering characteristics of resonant core-shell spheres

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Abstract

We present the general features and aspects regarding the electromagnetic scattering by a small core-shell sphere. First, the thickness effects on the plasmonic resonances are described in the Rayleigh limit, utilizing the MacLaurin expansion of the Mie coefficients of hollow scatterers. The results are connected with the plasmon hybridization model. A brief study regarding the core effects is given, illustrating resonant scattering peculiarities. Finally, new electrodynamic aspects of the scattering process are revealed through a the newly introduced Padé expansion of the Mie coefficients. The proposed methods can be readily applied for the studies of the dynamical dependencies for other canonical shapes, carving ways for engineering the overall properties of a single composite scatterer.

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Original languageEnglish
Title of host publication2017 32nd General Assembly and Scientific Symposium of the International Union of Radio Science, URSI GASS 2017
Publication statusPublished - 10 Nov 2017
MoE publication typeA4 Article in a conference publication
EventInternational Union of Radio Science General Assembly and Scientific Symposium - Montreal, Canada
Duration: 19 Aug 201726 Aug 2017
Conference number: 32
http://www.ursi2017.org/

Conference

ConferenceInternational Union of Radio Science General Assembly and Scientific Symposium
Abbreviated titleURSI GASS
CountryCanada
CityMontreal
Period19/08/201726/08/2017
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ID: 31930771