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Focusing of light by a nano-hole array

Focusing of light by a nano-hole array
Focusing of light by a nano-hole array
Here for the first time we demonstrate experimentally and theoretically that the Talbot effect on a quasi-periodic array of nano-holes may be used to achieve sub-wavelength field localizations and well-isolated 'hot spots' of high electromagnetic energy concentration.Here we report on how a quasi-periodic array of holes creates sub-wavelength localizations of light without evanescent waves and how the fields created by such diffraction fall into the class of super-oscillating fields [1]. This effect offers a new way to achieve sub-wavelength imaging in the far field.
Zheludev, N.
32fb6af7-97e4-4d11-bca6-805745e40cc6
Zheludev, N.
32fb6af7-97e4-4d11-bca6-805745e40cc6

Zheludev, N. (2007) Focusing of light by a nano-hole array. Condensed Matter and Materials Physics Conference (CMMP 2007), Leicester, United Kingdom. 12 - 13 Apr 2007.

Record type: Conference or Workshop Item (Paper)

Abstract

Here for the first time we demonstrate experimentally and theoretically that the Talbot effect on a quasi-periodic array of nano-holes may be used to achieve sub-wavelength field localizations and well-isolated 'hot spots' of high electromagnetic energy concentration.Here we report on how a quasi-periodic array of holes creates sub-wavelength localizations of light without evanescent waves and how the fields created by such diffraction fall into the class of super-oscillating fields [1]. This effect offers a new way to achieve sub-wavelength imaging in the far field.

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More information

Published date: April 2007
Venue - Dates: Condensed Matter and Materials Physics Conference (CMMP 2007), Leicester, United Kingdom, 2007-04-12 - 2007-04-13

Identifiers

Local EPrints ID: 57768
URI: https://eprints.soton.ac.uk/id/eprint/57768
PURE UUID: 3b5fc292-6247-404d-9fed-d400992b0235
ORCID for N. Zheludev: ORCID iD orcid.org/0000-0002-1013-6636

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Date deposited: 11 Aug 2008
Last modified: 14 Mar 2019 01:53

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Contributors

Author: N. Zheludev ORCID iD

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