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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 35, Iss. 23 — Dec. 1, 2010
  • pp: 4078–4080

Optical forces from an evanescent wave on a magnetodielectric small particle

M. Nieto-Vesperinas and J. J. Saenz  »View Author Affiliations

Optics Letters, Vol. 35, Issue 23, pp. 4078-4080 (2010)

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We report the first study on the optical force exerted by an evanescent wave on a small sphere with both electric and magnetic responses to the incident field, immersed in an arbitrary nondissipative medium. New expressions and effects from their gradient, radiation pressure, and curl components are obtained owing to the particle induced electric and magnetic dipoles, as well as to their mutual interaction. We predict possible dramatic changes in the force depending on the host medium, the polarization, and the nature of the surface wave.

© 2010 Optical Society of America

OCIS Codes
(140.7010) Lasers and laser optics : Laser trapping
(240.6690) Optics at surfaces : Surface waves
(290.5870) Scattering : Scattering, Rayleigh
(350.3618) Other areas of optics : Left-handed materials
(350.4855) Other areas of optics : Optical tweezers or optical manipulation

ToC Category:
Optics at Surfaces

Original Manuscript: May 11, 2010
Revised Manuscript: October 18, 2010
Manuscript Accepted: November 8, 2010
Published: November 30, 2010

M. Nieto-Vesperinas and J. J. Saenz, "Optical forces from an evanescent wave on a magnetodielectric small particle," Opt. Lett. 35, 4078-4080 (2010)

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