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Extraordinary properties of light transmission through a small chiral hole in a metallic screen

Extraordinary properties of light transmission through a small chiral hole in a metallic screen
Extraordinary properties of light transmission through a small chiral hole in a metallic screen
The true three-dimensional finite element numerical solution of Maxwell's equations shows that the propagation of light through a thin flat free-standing metallic screen containing a hole of twisted shape is sensitive to whether the incident wave is left or right circularly polarized.
The intensity map and polarization state of light are dramatically changed depending on the mutual direction of the hole's twist and the incident light's wave polarization handedness. We also observed a strong concentration of the transmitted field at the centre of the chiral hole when light in the object plane rotates against the twist of the investigated gammadion type structure.
planar chirality, metal nanostructures, extraordinary transmission, polarization
1741-3567
S98-S105
Krasavin, A.V.
2026f437-6d31-4ca1-a07f-52adc7aa24a4
Schwanecke, A.S.
ee362335-ee3e-4c26-8035-5c397e10b274
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
Krasavin, A.V.
2026f437-6d31-4ca1-a07f-52adc7aa24a4
Schwanecke, A.S.
ee362335-ee3e-4c26-8035-5c397e10b274
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6

Krasavin, A.V., Schwanecke, A.S. and Zheludev, N.I. (2006) Extraordinary properties of light transmission through a small chiral hole in a metallic screen. Journal of Optics A: Pure and Applied Optics, 8 (4), S98-S105. (doi:10.1088/1464-4258/8/4/S08).

Record type: Article

Abstract

The true three-dimensional finite element numerical solution of Maxwell's equations shows that the propagation of light through a thin flat free-standing metallic screen containing a hole of twisted shape is sensitive to whether the incident wave is left or right circularly polarized.
The intensity map and polarization state of light are dramatically changed depending on the mutual direction of the hole's twist and the incident light's wave polarization handedness. We also observed a strong concentration of the transmitted field at the centre of the chiral hole when light in the object plane rotates against the twist of the investigated gammadion type structure.

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Published date: 2006
Keywords: planar chirality, metal nanostructures, extraordinary transmission, polarization

Identifiers

Local EPrints ID: 28720
URI: https://eprints.soton.ac.uk/id/eprint/28720
ISSN: 1741-3567
PURE UUID: 85bcbc13-79e9-4213-9395-bb99a2bb433f
ORCID for N.I. Zheludev: ORCID iD orcid.org/0000-0002-1013-6636

Catalogue record

Date deposited: 05 May 2006
Last modified: 09 Dec 2019 19:08

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