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Transformation Optics: A Time- and Frequency-Domain Analysis of Electron-Energy Loss Spectroscopy.

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Title: Transformation Optics: A Time- and Frequency-Domain Analysis of Electron-Energy Loss Spectroscopy.
Authors: Kraft, M
Luo, Y
Pendry, JB
Item Type: Journal Article
Abstract: Electron energy loss spectroscopy (EELS) and cathodoluminescence (CL) play a pivotal role in many of the cutting edge experiments in plasmonics. EELS and CL experiments are usually supported by numerical simulations, which-though accurate-may not provide as much physical insight as analytical calculations do. Fully analytical solutions to EELS and CL systems in plasmonics are rare and difficult to obtain. This paper aims to narrow this gap by introducing a new method based on transformation optics that allows to calculate the quasistatic frequency- and time-domain response of plasmonic particles under electron beam excitation. We study a nonconcentric annulus (and ellipse in the Supporting Information ) as an example.
Issue Date: 5-Jul-2016
Date of Acceptance: 24-May-2016
URI: http://hdl.handle.net/10044/1/56011
DOI: https://dx.doi.org/10.1021/acs.nanolett.6b02100
ISSN: 1530-6992
Publisher: American Chemical Society
Start Page: 5156
End Page: 5162
Journal / Book Title: Nano Letters
Volume: 16
Issue: 8
Copyright Statement: Copyright © 2016 American Chemical Society
Sponsor/Funder: European Office Of Aerospace Research & Developmen
The Leverhulme Trust
Gordon and Betty Moore Foundation
Engineering & Physical Science Research Council (EPSRC)
The Royal Society
Commission of the European Communities
Funder's Grant Number: FA8655-09-1-3074
F/07 058/BK
BB00099823
EP/L024926/1
NF150755
702525
Keywords: Science & Technology
Physical Sciences
Technology
Chemistry, Multidisciplinary
Chemistry, Physical
Nanoscience & Nanotechnology
Materials Science, Multidisciplinary
Physics, Applied
Physics, Condensed Matter
Chemistry
Science & Technology - Other Topics
Materials Science
Physics
time domain
frequency domain
EELS
transformation optics
SURFACE-PLASMONS
NANOPARTICLES
EXCITATIONS
RESONANCES
NANOSCALE
GEOMETRY
LIGHT
MD Multidisciplinary
Publication Status: Published
Appears in Collections:Condensed Matter Theory
Physics
Faculty of Natural Sciences



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