Focusing of light by a nano-hole array

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


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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.

Item Type: Conference or Workshop Item (Paper)
Related URLs:
Subjects: Q Science
T Technology > TK Electrical engineering. Electronics Nuclear engineering
T Technology
Q Science > QC Physics
Divisions : University Structure - Pre August 2011 > Optoelectronics Research Centre
ePrint ID: 57768
Accepted Date and Publication Date:
April 2007Published
Date Deposited: 11 Aug 2008
Last Modified: 31 Mar 2016 12:39

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