Wavevector selective surfaces
Wavevector selective surfaces
We demonstrate for the first time that a planar metamaterial (metasurface) can act as a wavefector selective surface and tunnel vision device, effectively discriminating incident waves by their wavevectors. The effect results in arbitrary-shaped wavefronts becoming planar as they traverse the plane of the metasurface in the absence of active/passive spatial phase modulation or adaptive feedback. This new functionality of the metasurfaces can be exploited for enhancing observational instruments, long-distance free-space communications in strongly scattering or turbid environment, and new-principle cloaking.
Fedotov, V.A.
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Wallauer, J.
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Walther, M.
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Papasimakis, N.
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Zheludev, N.I.
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May 2014
Fedotov, V.A.
3725f5cc-2d0b-4e61-95c5-26d187c84f25
Wallauer, J.
ca1290d9-09cf-4ad4-bc83-6e8af5758737
Walther, M.
79136385-d7a0-4d2e-923e-45cb852b7938
Papasimakis, N.
f416bfa9-544c-4a3e-8a2d-bc1c11133a51
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
Fedotov, V.A., Wallauer, J., Walther, M., Papasimakis, N. and Zheludev, N.I.
(2014)
Wavevector selective surfaces.
5th International Conference on Metamaterials, Photonic Crystals and Plasmonics (META'14), Singapore.
20 - 23 May 2014.
Record type:
Conference or Workshop Item
(Paper)
Abstract
We demonstrate for the first time that a planar metamaterial (metasurface) can act as a wavefector selective surface and tunnel vision device, effectively discriminating incident waves by their wavevectors. The effect results in arbitrary-shaped wavefronts becoming planar as they traverse the plane of the metasurface in the absence of active/passive spatial phase modulation or adaptive feedback. This new functionality of the metasurfaces can be exploited for enhancing observational instruments, long-distance free-space communications in strongly scattering or turbid environment, and new-principle cloaking.
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More information
Published date: May 2014
Venue - Dates:
5th International Conference on Metamaterials, Photonic Crystals and Plasmonics (META'14), Singapore, 2014-05-20 - 2014-05-23
Organisations:
Optoelectronics Research Centre
Identifiers
Local EPrints ID: 379914
URI: http://eprints.soton.ac.uk/id/eprint/379914
PURE UUID: 69ae6c79-0fd2-4b7a-b56b-f013a42471ad
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Date deposited: 31 Jul 2015 16:09
Last modified: 09 Jan 2022 03:25
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Contributors
Author:
V.A. Fedotov
Author:
J. Wallauer
Author:
M. Walther
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