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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 16 — Aug. 15, 2010
  • pp: 2729–2731

Plasmonic resonance scattering from silver nanowire illuminated by tightly focused singular beam

Alexander Normatov, Boris Spektor, Yehuda Leviatan, and Joseph Shamir  »View Author Affiliations


Optics Letters, Vol. 35, Issue 16, pp. 2729-2731 (2010)
http://dx.doi.org/10.1364/OL.35.002729


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Abstract

We investigate scattering features of tightly focused singular beams by placing a cylindrical nanowire in the vicinity of a line phase singularity. Applying an illumination wavelength corresponding to silver cylinder plasmonic resonance, we compare the scattering response with that of a perfect conductor. The rigorous modeling employs a 2D version of the Richards–Wolf focusing method and the source model technique. It is found that a cylinder with a plasmonic resonance produces a strong scattering response by deflecting the power flow toward the optical singularity region, where otherwise the power approaches zero.

© 2010 Optical Society of America

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(290.5850) Scattering : Scattering, particles
(050.4865) Diffraction and gratings : Optical vortices

ToC Category:
Scattering

History
Original Manuscript: May 24, 2010
Manuscript Accepted: July 2, 2010
Published: August 10, 2010

Virtual Issues
Vol. 5, Iss. 13 Virtual Journal for Biomedical Optics

Citation
Alexander Normatov, Boris Spektor, Yehuda Leviatan, and Joseph Shamir, "Plasmonic resonance scattering from silver nanowire illuminated by tightly focused singular beam," Opt. Lett. 35, 2729-2731 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-16-2729

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