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Polarization conversion and “focusing” of light propagating through a small chiral hole in a metallic screen

Polarization conversion and “focusing” of light propagating through a small chiral hole in a metallic screen
Polarization conversion and “focusing” of light propagating through a small chiral hole in a metallic screen
Propagation of light through a thin flat metallic screen containing a hole of twisted shape is sensitive to whether the incident wave is left or right circularly polarized. The transmitted light accrues a component with handedness opposite to the incident wave. The efficiency of polarization conversion depends on the mutual direction of the hole’s twist and the incident light’s wave polarization handedness and peaks at a wavelength close to the hole overall size. We also observed strong transmitted field concentration at the center of he chiral hole when the handedness of the chiral hole and the wave’s polarization state are the same.
light polarisation, optical focusing, light propagation, chirality, metallic thin films, optical films, metamaterials
0003-6951
201105-201108
Krasavin, A.V.
2026f437-6d31-4ca1-a07f-52adc7aa24a4
Schwanecke, A.S.
ee362335-ee3e-4c26-8035-5c397e10b274
Zheludev, N.I.
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Reichelt, M.
4b89f8c1-b5c2-4da4-b51e-12e535024cfd
Stroucken, T.
cdb89d0e-231a-4c66-8c68-eea060c9d4c1
Koch, S.W.
3879c60c-556b-47d9-a8d0-1bfff9cdc4ef
Wright, E.M.
9ebe9400-6b54-4de0-8e83-724140492d06
Krasavin, A.V.
2026f437-6d31-4ca1-a07f-52adc7aa24a4
Schwanecke, A.S.
ee362335-ee3e-4c26-8035-5c397e10b274
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
Reichelt, M.
4b89f8c1-b5c2-4da4-b51e-12e535024cfd
Stroucken, T.
cdb89d0e-231a-4c66-8c68-eea060c9d4c1
Koch, S.W.
3879c60c-556b-47d9-a8d0-1bfff9cdc4ef
Wright, E.M.
9ebe9400-6b54-4de0-8e83-724140492d06

Krasavin, A.V., Schwanecke, A.S., Zheludev, N.I., Reichelt, M., Stroucken, T., Koch, S.W. and Wright, E.M. (2005) Polarization conversion and “focusing” of light propagating through a small chiral hole in a metallic screen. Applied Physics Letters, 86, 201105-201108. (doi:10.1063/1.1925759).

Record type: Article

Abstract

Propagation of light through a thin flat metallic screen containing a hole of twisted shape is sensitive to whether the incident wave is left or right circularly polarized. The transmitted light accrues a component with handedness opposite to the incident wave. The efficiency of polarization conversion depends on the mutual direction of the hole’s twist and the incident light’s wave polarization handedness and peaks at a wavelength close to the hole overall size. We also observed strong transmitted field concentration at the center of he chiral hole when the handedness of the chiral hole and the wave’s polarization state are the same.

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Published date: 2005
Keywords: light polarisation, optical focusing, light propagation, chirality, metallic thin films, optical films, metamaterials

Identifiers

Local EPrints ID: 28686
URI: https://eprints.soton.ac.uk/id/eprint/28686
ISSN: 0003-6951
PURE UUID: 159cf5ca-e286-4e5e-8177-8b2643654660
ORCID for N.I. Zheludev: ORCID iD orcid.org/0000-0002-1013-6636

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Date deposited: 05 May 2006
Last modified: 10 Dec 2019 01:56

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Contributors

Author: A.V. Krasavin
Author: A.S. Schwanecke
Author: N.I. Zheludev ORCID iD
Author: M. Reichelt
Author: T. Stroucken
Author: S.W. Koch
Author: E.M. Wright

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