Properties of Hybridized Modes in Core-Shell Scatterers

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Abstract

The character of resonances in plasmonic core-shell structures is analyzed. In particular, the focus is on the behavior of the weaker (antibonding) resonance. Using the residue expansion of the polarizability, it is shown that to maximize the effect of the antibonding resonance, the ratio of the core radius to the whole sphere radius should be 0.596. The polarizability-based results are compared with full Mie scattering calculations showing fair agreement up to size parameters x=1/3.

Details

Original languageEnglish
Title of host publication2018 2nd URSI Atlantic Radio Science Meeting, AT-RASC 2018
Publication statusPublished - 24 Sep 2018
MoE publication typeA4 Article in a conference publication
EventURSI Atlantic Radio Science Meeting - Gran Canaria, Spain
Duration: 28 May 20181 Jun 2018
Conference number: 2

Conference

ConferenceURSI Atlantic Radio Science Meeting
Abbreviated titleAT-RASC
CountrySpain
CityGran Canaria
Period28/05/201801/06/2018

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