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Light well: a tuneable free-electron light source on a chip

Light well: a tuneable free-electron light source on a chip
Light well: a tuneable free-electron light source on a chip
The passage of a free-electron beam through a nanohole in a periodically layered metal-dielectric structure creates a new type of tunable, nanoscale radiation source - a "light well". In the reported demonstration, tunable light is generated at an intensity of ~200 W/cm2 as electrons with energies in the 20-40 keV range are injected into gold-silica well structures with a lateral size of just a few hundred nanometers.
0031-9007
113901
Adamo, G.
73480dbd-5d3e-415a-b569-9606b3dbeecc
MacDonald, K.F.
76c84116-aad1-4973-b917-7ca63935dba5
Fu, Y.H.
dc8fa65a-7e3f-48bb-984a-286c5e471447
Wang, C.M.
98d48359-b700-4b6f-8f76-c3b5684aad1c
Tsai, D.P.
ac188460-c076-41ee-bce4-7aa873f757e3
García de Abajo, F.J.
68958b41-966f-49ef-9578-d0ffa446b33e
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
Adamo, G.
73480dbd-5d3e-415a-b569-9606b3dbeecc
MacDonald, K.F.
76c84116-aad1-4973-b917-7ca63935dba5
Fu, Y.H.
dc8fa65a-7e3f-48bb-984a-286c5e471447
Wang, C.M.
98d48359-b700-4b6f-8f76-c3b5684aad1c
Tsai, D.P.
ac188460-c076-41ee-bce4-7aa873f757e3
García de Abajo, F.J.
68958b41-966f-49ef-9578-d0ffa446b33e
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6

Adamo, G., MacDonald, K.F., Fu, Y.H., Wang, C.M., Tsai, D.P., García de Abajo, F.J. and Zheludev, N.I. (2009) Light well: a tuneable free-electron light source on a chip. Physical Review Letters, 103 (11), 113901. (doi:10.1103/PhysRevLett.103.113901).

Record type: Article

Abstract

The passage of a free-electron beam through a nanohole in a periodically layered metal-dielectric structure creates a new type of tunable, nanoscale radiation source - a "light well". In the reported demonstration, tunable light is generated at an intensity of ~200 W/cm2 as electrons with energies in the 20-40 keV range are injected into gold-silica well structures with a lateral size of just a few hundred nanometers.

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More information

Published date: 11 September 2009
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 78865
URI: https://eprints.soton.ac.uk/id/eprint/78865
ISSN: 0031-9007
PURE UUID: 8ddc3f18-bd22-4cd6-8ab3-62186142120f
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: 15 Mar 2010
Last modified: 01 Aug 2018 00:36

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