The ultimate departure from geometrical optics: vortex optical field around plasmonic nanoparticle


Bashevoy, M.V., Fedotov, V.A. and Zheludev, N.I. (2006) The ultimate departure from geometrical optics: vortex optical field around plasmonic nanoparticle At QEP-17 at Photon06. 04 - 07 Sep 2006.

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Description/Abstract

Here we report on the discovery of an extreme deviation from geo'metrical optics: light interacting with a metallic nanoparticle, in the proximity of its plasmon resonance, follows curly trajectories with curvatures on a subwavelength scale, creating nanoscale optical vortices. We discuss how the appearance of these vortex structures is related to resonant increases in the absorption and scattering cross-sections of the nano-objects and weather the vortex structure could provide a natural feedback mechanism, thus creating a nano-scale analog of an optical resonator.

Item Type: Conference or Workshop Item (Paper)
Venue - Dates: QEP-17 at Photon06, 2006-09-04 - 2006-09-07
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ePrint ID: 57750
Date :
Date Event
September 2006Published
Date Deposited: 11 Aug 2008
Last Modified: 16 Apr 2017 17:38
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/57750

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