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Nanoscale free electron-driven light sources

Nanoscale free electron-driven light sources
Nanoscale free electron-driven light sources
Proximity and impact interactions between free-electrons and plasmonic nanostructures offer a versatile platform for the engineering of tuneable nanoscale light sources. We review recently demonstrated systems wherein electron energy is resonantly coupled from a highly localized excitation, via a coherent photonic meta-surface, to low-divergence, free-space light emission; in which medium energy (30-50 kV) electrons generate guided UV/visible radiation in tapered fibre-optic probes akin to those employed for sampling evanescent light fields in near-field microscopy; and in which the electron fields, and thus associated light emission, can be amplified by a planar silver film acting as a "poor-man’s superlens".
So, J.K.
06a7afea-61c2-439d-9ac4-047ea21a909b
MacDonald, K.F.
76c84116-aad1-4973-b917-7ca63935dba5
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
So, J.K.
06a7afea-61c2-439d-9ac4-047ea21a909b
MacDonald, K.F.
76c84116-aad1-4973-b917-7ca63935dba5
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6

So, J.K., MacDonald, K.F. and Zheludev, N.I. (2014) Nanoscale free electron-driven light sources. Electron Beam Spectroscopy for Nanophotonics, Netherlands. 02 - 04 Jun 2014.

Record type: Conference or Workshop Item (Other)

Abstract

Proximity and impact interactions between free-electrons and plasmonic nanostructures offer a versatile platform for the engineering of tuneable nanoscale light sources. We review recently demonstrated systems wherein electron energy is resonantly coupled from a highly localized excitation, via a coherent photonic meta-surface, to low-divergence, free-space light emission; in which medium energy (30-50 kV) electrons generate guided UV/visible radiation in tapered fibre-optic probes akin to those employed for sampling evanescent light fields in near-field microscopy; and in which the electron fields, and thus associated light emission, can be amplified by a planar silver film acting as a "poor-man’s superlens".

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More information

e-pub ahead of print date: 2014
Venue - Dates: Electron Beam Spectroscopy for Nanophotonics, Netherlands, 2014-06-02 - 2014-06-04
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 366345
URI: https://eprints.soton.ac.uk/id/eprint/366345
PURE UUID: d576cf1d-9731-4068-84ad-f1e27b0867b6
ORCID for K.F. MacDonald: ORCID iD orcid.org/0000-0002-3877-2976
ORCID for N.I. Zheludev: ORCID iD orcid.org/0000-0002-1013-6636

Catalogue record

Date deposited: 30 Jun 2014 11:19
Last modified: 23 May 2019 00:37

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Contributors

Author: J.K. So
Author: K.F. MacDonald ORCID iD
Author: N.I. Zheludev ORCID iD

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