Electron impact investigation of hybridization scheme in coupled split-ring resonators

Author

Qiuqun Liang ; Sarvari, Nahid Talebi ; Weixing Yu ; van Aken, Peter A.

Author_Institution

Stuttgart Center for Electron Microscopy, Max Planck Inst. for Intell. Syst., Stuttgart, Germany

fYear

2014

fDate

25-28 Aug. 2014

Firstpage

187

Lastpage

189

Abstract

We present a numerical electron impact investigation of the hybridization scheme in coupled split-ring resonators (SRRs) within the context of electron energy-loss spectroscopy (EELS). We observe that the fundamental, second- and third-order plasmonic modes of the isolated SRR are split into antisymmetric and symmetric modes in coupled SRRs with a strong effect on the orientation of each individual element. In order to perform the numerical investigation, the discrete-dipole approximation (DDA) has been used.

Keywords

electromagnetic metamaterials; resonators; spectroscopy; antisymmetric modes; coupled SRR; coupled split-ring resonators; discrete-dipole approximation; electron energy-loss spectroscopy; electron impact investigation; hybridization scheme; isolated SRR; numerical electron impact; second-order plasmonic modes; symmetric modes; third-order plasmonic modes; Couplings; Electromagnetics; Magnetic materials; Metamaterials; Optical refraction; Optical resonators; Plasmons;

fLanguage

English

Publisher

ieee

Conference_Titel

Advanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS), 2014 8th International Congress on

Conference_Location

Lyngby

Print_ISBN

978-1-4799-3450-8

Type

conf

DOI

10.1109/MetaMaterials.2014.6948641

Filename

6948641