DIELECTRIC PARTICLES TRAPPING AND DEFORMATION BY THE GRADIENT FORCES OF THE LIGHT PRESSURE

Vladimir Tarlykov, Andrey Nelepets

2008 , VOLUME 08, NUMBER 13 ( NOVEMBER-DECEMBER )

ISSN 2226-1494 (print), ISSN 2500-0373 (online)

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Vladimir O.
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DIELECTRIC PARTICLES TRAPPING AND DEFORMATION BY THE GRADIENT FORCES OF THE LIGHT PRESSURE

V. Tarlykov, A. Nelepets

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Abstract

The mechanical stress distribution on the surface of dielectric microparticles under the action of light illumination is theoretically and numerically studied. Light reflection and refraction cause momentum change and mechanical forces emergence. These forces may be used for trapping and deformation of dielectric microparticles ensembles. Two schemes of controlled particles deformation by the gradient forces of the light pressure are proposed.

Keywords: gradient forces, light pressure, microparticles trapping and deformation

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