General Scattering Characteristics of Resonant Core-Shell Spheres

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General Scattering Characteristics of Resonant Core-Shell Spheres. / Tzarouchis, Dimitrios C.; Sihvola, Ari.

julkaisussa: IEEE Transactions on Antennas and Propagation, Vuosikerta 66, Nro 1, 01.2018, s. 323-330.

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Tzarouchis, Dimitrios C. ; Sihvola, Ari. / General Scattering Characteristics of Resonant Core-Shell Spheres. Julkaisussa: IEEE Transactions on Antennas and Propagation. 2018 ; Vuosikerta 66, Nro 1. Sivut 323-330.

Bibtex - Lataa

@article{05bb7e8dd1724606a34e0fbfdf28a2b6,
title = "General Scattering Characteristics of Resonant Core-Shell Spheres",
abstract = "This paper presents and discusses the general features and aspects regarding the electromagnetic scattering by a small Core-Shell plasmonic sphere. First, the thickness effects on the plasmonic resonances are presented in the electrostatic (Rayleigh) limit, utilizing the MacLaurin expansion of the Mie coefficients of hollow scatterers. Several aspects regarding the core effects are given, illustrating the enabling mechanisms and peculiarities of its resonant scattering response on the electrostatic limit. The electrodynamic aspects of the scattering process are revealed through the newly introduced Padé expansion of the Mie coefficients. Additionally, we expose how the core material affects the dynamic mechanisms, such as the dynamic depolarization and radiative damping. The described method can be expanded for other types of resonances and canonical shapes, while the general characteristics presented here are expected to stimulate further studies regarding the functionalities of the core-shell scatterers.",
keywords = "Core-Shell Spheres, Dynamic Depolarization, Electromagnetic scattering, Electrostatics, Light Scattering, Lorenz–Mie Theory, Magnetic cores, Mathematical model, Mie Coefficients, Pad{\'e} approximants, Permittivity, Plasmons, Radiative Damping",
author = "Tzarouchis, {Dimitrios C.} and Ari Sihvola",
year = "2018",
month = "1",
doi = "10.1109/TAP.2017.2769688",
language = "English",
volume = "66",
pages = "323--330",
journal = "IEEE Transactions on Antennas & Propagation",
issn = "0018-926X",
number = "1",

}

RIS - Lataa

TY - JOUR

T1 - General Scattering Characteristics of Resonant Core-Shell Spheres

AU - Tzarouchis, Dimitrios C.

AU - Sihvola, Ari

PY - 2018/1

Y1 - 2018/1

N2 - This paper presents and discusses the general features and aspects regarding the electromagnetic scattering by a small Core-Shell plasmonic sphere. First, the thickness effects on the plasmonic resonances are presented in the electrostatic (Rayleigh) limit, utilizing the MacLaurin expansion of the Mie coefficients of hollow scatterers. Several aspects regarding the core effects are given, illustrating the enabling mechanisms and peculiarities of its resonant scattering response on the electrostatic limit. The electrodynamic aspects of the scattering process are revealed through the newly introduced Padé expansion of the Mie coefficients. Additionally, we expose how the core material affects the dynamic mechanisms, such as the dynamic depolarization and radiative damping. The described method can be expanded for other types of resonances and canonical shapes, while the general characteristics presented here are expected to stimulate further studies regarding the functionalities of the core-shell scatterers.

AB - This paper presents and discusses the general features and aspects regarding the electromagnetic scattering by a small Core-Shell plasmonic sphere. First, the thickness effects on the plasmonic resonances are presented in the electrostatic (Rayleigh) limit, utilizing the MacLaurin expansion of the Mie coefficients of hollow scatterers. Several aspects regarding the core effects are given, illustrating the enabling mechanisms and peculiarities of its resonant scattering response on the electrostatic limit. The electrodynamic aspects of the scattering process are revealed through the newly introduced Padé expansion of the Mie coefficients. Additionally, we expose how the core material affects the dynamic mechanisms, such as the dynamic depolarization and radiative damping. The described method can be expanded for other types of resonances and canonical shapes, while the general characteristics presented here are expected to stimulate further studies regarding the functionalities of the core-shell scatterers.

KW - Core-Shell Spheres

KW - Dynamic Depolarization

KW - Electromagnetic scattering

KW - Electrostatics

KW - Light Scattering

KW - Lorenz–Mie Theory

KW - Magnetic cores

KW - Mathematical model

KW - Mie Coefficients

KW - Padé approximants

KW - Permittivity

KW - Plasmons

KW - Radiative Damping

UR - http://www.scopus.com/inward/record.url?scp=85033732558&partnerID=8YFLogxK

U2 - 10.1109/TAP.2017.2769688

DO - 10.1109/TAP.2017.2769688

M3 - Article

VL - 66

SP - 323

EP - 330

JO - IEEE Transactions on Antennas & Propagation

JF - IEEE Transactions on Antennas & Propagation

SN - 0018-926X

IS - 1

ER -

ID: 16210385