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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 5 — Mar. 3, 2008
  • pp: 2874–2886

Interaction of spherical nanoparticles with a highly focused beam of light

Kürşat Şendur, William Challener, and Oleg Mryasov  »View Author Affiliations


Optics Express, Vol. 16, Issue 5, pp. 2874-2886 (2008)
http://dx.doi.org/10.1364/OE.16.002874


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Abstract

The interaction of a highly focused beam of light with spherical nanoparticles is investigated for linear and radial polarizations. An analytical solution is obtained to calculate this interaction. The Richards-Wolf theory is used to express the incident electric field near the focus of an aplanatic lens. The incident beam is expressed as an integral where the integrand is separated into transverse-electric (TE) and transverse-magnetic (TM) waves. The interaction of each TE and TM wave with a spherical nanoparticle is calculated using the Mie theory. The resulting analytical solution is then obtained by integrating the scattered waves over the entire angular spectrum. A finite element method solution is also obtained for comparison.

© 2008 Optical Society of America

OCIS Codes
(000.4430) General : Numerical approximation and analysis
(240.6680) Optics at surfaces : Surface plasmons
(290.4020) Scattering : Mie theory

ToC Category:
Scattering

History
Original Manuscript: January 7, 2008
Revised Manuscript: February 11, 2008
Manuscript Accepted: February 12, 2008
Published: February 15, 2008

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

Citation
Kursat Sendur, William Challener, and Oleg Mryasov, "Interaction of spherical nanoparticles with a highly focused beam of light," Opt. Express 16, 2874-2886 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-5-2874


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