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Optics Letters

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  • Vol. 24, Iss. 14 — Jul. 15, 1999
  • pp: 936–938

Optical forces on microparticles in an evanescent laser field

Marcelo Lester and Manuel Nieto-Vesperinas  »View Author Affiliations


Optics Letters, Vol. 24, Issue 14, pp. 936-938 (1999)
http://dx.doi.org/10.1364/OL.24.000936


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Abstract

We present a theory based on an exact calculation of the radiation forces on a microsized particle illuminated by evanescent waves created under total internal reflection in a flat substrate. The influence of the proximity of this interface to the particle is analyzed by a numerical simulation that addresses multiple scattering of light between the particle and the dielectric flat surface. We thus give an interpretation of the experimental results of Kawata and Sugiura [Opt. Lett. 17, 772 (1992)] and put forward a method that is capable of predicting new effects.

© 1999 Optical Society of America

OCIS Codes
(290.5850) Scattering : Scattering, particles
(350.3950) Other areas of optics : Micro-optics

Citation
Marcelo Lester and Manuel Nieto-Vesperinas, "Optical forces on microparticles in an evanescent laser field," Opt. Lett. 24, 936-938 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-14-936

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