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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 1 — Jan. 5, 2009
  • pp: 117–122

Tailoring the excitation of localized surface plasmon-polariton resonances by focusing radially-polarized beams

Nassiredin M. Mojarad and Mario Agio  »View Author Affiliations


Optics Express, Vol. 17, Issue 1, pp. 117-122 (2009)
http://dx.doi.org/10.1364/OE.17.000117


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Abstract

We study the interaction of focused radially-polarized light with metal nanospheres. By expanding the electromagnetic field in terms of multipoles, we gain insight on the excitation of localized surface plasmon-polariton resonances in the nanoparticle. We show that focused radially-polarized beams offer more opportunities than a focused plane wave or a Gaussian beam for tuning the near- and far-field system response. These results find applications in nano-optics, optical tweezers, and optical data storage.

© 2009 Optical Society of America

OCIS Codes
(210.4770) Optical data storage : Optical recording
(290.4020) Scattering : Mie theory
(290.5850) Scattering : Scattering, particles
(350.4855) Other areas of optics : Optical tweezers or optical manipulation
(250.5403) Optoelectronics : Plasmonics

ToC Category:
Optical Trapping and Manipulation

History
Original Manuscript: October 10, 2008
Revised Manuscript: December 19, 2008
Manuscript Accepted: December 19, 2008
Published: December 23, 2008

Virtual Issues
Vol. 4, Iss. 3 Virtual Journal for Biomedical Optics

Citation
Nassiredin M. Mojarad and Mario Agio, "Tailoring the excitation of localized surface plasmon-polariton resonances by focusing radially-polarized beams," Opt. Express 17, 117-122 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-1-117


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