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Proceedings Paper

Calculation of optical forces on a dielectric bead in a geometrically aberrated trap
Author(s): Artur Carnicer; Denis Garnier; Salvador Bosch; Ignasi Juvells
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Paper Abstract

Micron-sized particles can be trapped by means of a highly focused beam; light is concentrated in a tiny spot using a high numerical aperture objective. In this communication we describe a numerical tool we have developed for obtaining the force exerted by a beam on a spherical dielectric particle in realistic conditions. The system (a water immersion microscope objective) is simulated using an optical system design software that provides the required information to feed the application. The calculation of the force is carried out using the ray-optics (Mie) approach.

Paper Details

Date Published: 21 August 2009
PDF: 8 pages
Proc. SPIE 7428, Current Developments in Lens Design and Optical Engineering X, 74280N (21 August 2009); doi: 10.1117/12.826065
Show Author Affiliations
Artur Carnicer, Univ. de Barcelona (Spain)
Denis Garnier, Univ. de Barcelona (Spain)
Salvador Bosch, Univ. de Barcelona (Spain)
Ignasi Juvells, Univ. de Barcelona (Spain)


Published in SPIE Proceedings Vol. 7428:
Current Developments in Lens Design and Optical Engineering X
Pantazis Z. Mouroulis; R. Barry Johnson; Virendra N. Mahajan, Editor(s)

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