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Metamaterials: optical activity without chirality

Metamaterials: optical activity without chirality
Metamaterials: optical activity without chirality
We report that the classical phenomenon of optical activity, which is traditionally associated with chirality (helicity) of organic molecules, proteins, and inorganic structures, can be observed in artificial planar media which exhibit neither 3D nor 2D chirality. We observe the effect in the microwave and optical parts of the spectrum at oblique incidence to regular arrays of nonchiral subwavelength metamolecules in the form of strong circular dichroism and birefringence indistinguishable from those of chiral three-dimensional media.
0031-9007
Plum, E.
50761a26-2982-40df-9153-7aecc4226eb5
Liu, X.X.
f45c3e1d-f3c5-434f-8ff9-7eb65cb113d4
Fedotov, V.A.
3725f5cc-2d0b-4e61-95c5-26d187c84f25
Chen, Y.
aa3aa967-2aa4-499c-9265-8e6a7e7fb9e5
Tsai, D.P.
ac188460-c076-41ee-bce4-7aa873f757e3
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
Plum, E.
50761a26-2982-40df-9153-7aecc4226eb5
Liu, X.X.
f45c3e1d-f3c5-434f-8ff9-7eb65cb113d4
Fedotov, V.A.
3725f5cc-2d0b-4e61-95c5-26d187c84f25
Chen, Y.
aa3aa967-2aa4-499c-9265-8e6a7e7fb9e5
Tsai, D.P.
ac188460-c076-41ee-bce4-7aa873f757e3
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6

Plum, E., Liu, X.X., Fedotov, V.A., Chen, Y., Tsai, D.P. and Zheludev, N.I. (2009) Metamaterials: optical activity without chirality. Physical Review Letters, 102 (11). (doi:10.1103/PhysRevLett.102.113902).

Record type: Article

Abstract

We report that the classical phenomenon of optical activity, which is traditionally associated with chirality (helicity) of organic molecules, proteins, and inorganic structures, can be observed in artificial planar media which exhibit neither 3D nor 2D chirality. We observe the effect in the microwave and optical parts of the spectrum at oblique incidence to regular arrays of nonchiral subwavelength metamolecules in the form of strong circular dichroism and birefringence indistinguishable from those of chiral three-dimensional media.

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Published date: 20 March 2009
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 78867
URI: https://eprints.soton.ac.uk/id/eprint/78867
ISSN: 0031-9007
PURE UUID: 16b3047c-34be-4e20-9e7a-314de6e7ebe8
ORCID for E. Plum: ORCID iD orcid.org/0000-0002-1552-1840
ORCID for N.I. Zheludev: ORCID iD orcid.org/0000-0002-1013-6636

Catalogue record

Date deposited: 15 Mar 2010
Last modified: 10 Dec 2019 01:56

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