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Direction-division multiplexed holographic free-electron-driven light sources

Direction-division multiplexed holographic free-electron-driven light sources
Direction-division multiplexed holographic free-electron-driven light sources
We report on a free-electron-driven light source with a controllable direction of emission. The source comprises a microscopic array of plasmonic surface-relief holographic domains, each tailored to direct electron-induced light emission at a selected wavelength into a collimated beam in a prescribed direction. The direction-division multiplexed source is tested by driving it with the 30 kV electron beam of a scanning electron microscope: light emission, at a wavelength of 800 nm in the present case, is switched among different output angles by micron-scale repositioning of the electron injection point among domains. Such sources, with directional switching/tuning possible at picosecond timescales, may be applied to field emission and surface-conduction electron-emission display technologies, optical multiplexing and to charged-particle-beam position metrology.
0003-6951
Clarke, Brendan, Paul
4c29e0ec-abb3-4bdd-9ba9-54b2654bd249
MacDonald, Kevin F.
76c84116-aad1-4973-b917-7ca63935dba5
Zheludev, Nikolai
32fb6af7-97e4-4d11-bca6-805745e40cc6
Clarke, Brendan, Paul
4c29e0ec-abb3-4bdd-9ba9-54b2654bd249
MacDonald, Kevin F.
76c84116-aad1-4973-b917-7ca63935dba5
Zheludev, Nikolai
32fb6af7-97e4-4d11-bca6-805745e40cc6

Clarke, Brendan, Paul, MacDonald, Kevin F. and Zheludev, Nikolai (2018) Direction-division multiplexed holographic free-electron-driven light sources. Applied Physics Letters, 112 (2), [021109]. (doi:10.1063/1.5008985).

Record type: Article

Abstract

We report on a free-electron-driven light source with a controllable direction of emission. The source comprises a microscopic array of plasmonic surface-relief holographic domains, each tailored to direct electron-induced light emission at a selected wavelength into a collimated beam in a prescribed direction. The direction-division multiplexed source is tested by driving it with the 30 kV electron beam of a scanning electron microscope: light emission, at a wavelength of 800 nm in the present case, is switched among different output angles by micron-scale repositioning of the electron injection point among domains. Such sources, with directional switching/tuning possible at picosecond timescales, may be applied to field emission and surface-conduction electron-emission display technologies, optical multiplexing and to charged-particle-beam position metrology.

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APL17-AR-09928R accepted manuscript - Accepted Manuscript
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Accepted/In Press date: 23 December 2017
e-pub ahead of print date: 11 January 2018

Identifiers

Local EPrints ID: 416745
URI: http://eprints.soton.ac.uk/id/eprint/416745
ISSN: 0003-6951
PURE UUID: 0f8441c7-c27f-4643-af89-0005b8d11a1a
ORCID for Kevin F. MacDonald: ORCID iD orcid.org/0000-0002-3877-2976
ORCID for Nikolai Zheludev: ORCID iD orcid.org/0000-0002-1013-6636

Catalogue record

Date deposited: 08 Jan 2018 17:30
Last modified: 16 Mar 2024 06:04

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Contributors

Author: Brendan, Paul Clarke
Author: Kevin F. MacDonald ORCID iD
Author: Nikolai Zheludev ORCID iD

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