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Highly tunable optical activity in planar achiral terahertz metamaterials

Highly tunable optical activity in planar achiral terahertz metamaterials
Highly tunable optical activity in planar achiral terahertz metamaterials
Using terahertz time domain spectroscopy (THz-TDS) we demonstrate tunable polarization rotation and circular dichroism in intrinsically non-chiral planar terahertz metamaterials without twofold rotational symmetry. The observed effect is due to extrinsic chirality arising from the mutual orientation of the metamaterial plane and the propagation direction of the incident terahertz wave.
1094-4087
13425-13430
Singh, Ranjan
895cd3c3-d3d4-4c1f-81f9-f7cbbd13eae8
Plum, Eric
50761a26-2982-40df-9153-7aecc4226eb5
Zhang, Weili
e7aadbd4-230f-4a39-8b06-9aaef4183de0
Zheludev, Nikolay I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
Singh, Ranjan
895cd3c3-d3d4-4c1f-81f9-f7cbbd13eae8
Plum, Eric
50761a26-2982-40df-9153-7aecc4226eb5
Zhang, Weili
e7aadbd4-230f-4a39-8b06-9aaef4183de0
Zheludev, Nikolay I.
32fb6af7-97e4-4d11-bca6-805745e40cc6

Singh, Ranjan, Plum, Eric, Zhang, Weili and Zheludev, Nikolay I. (2010) Highly tunable optical activity in planar achiral terahertz metamaterials. Optics Express, 18 (13), 13425-13430. (doi:10.1364/OE.18.013425). (PMID:20588473)

Record type: Article

Abstract

Using terahertz time domain spectroscopy (THz-TDS) we demonstrate tunable polarization rotation and circular dichroism in intrinsically non-chiral planar terahertz metamaterials without twofold rotational symmetry. The observed effect is due to extrinsic chirality arising from the mutual orientation of the metamaterial plane and the propagation direction of the incident terahertz wave.

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Published date: 7 June 2010
Learn more about Optoelectronics Research Centre research

Identifiers

Local EPrints ID: 178817
URI: http://eprints.soton.ac.uk/id/eprint/178817
DOI: doi:10.1364/OE.18.013425
ISSN: 1094-4087
PURE UUID: e9a4ef6e-b0de-46be-91aa-b6c66597429f
ORCID for Eric Plum: ORCID iD orcid.org/0000-0002-1552-1840
ORCID for Nikolay I. Zheludev: ORCID iD orcid.org/0000-0002-1013-6636

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Date deposited: 28 Mar 2011 10:30
Last modified: 15 Mar 2024 02:44

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Contributors

Author: Ranjan Singh
Author: Eric Plum ORCID iD
Author: Weili Zhang
Author: Nikolay I. Zheludev ORCID iD

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