Optical forces on a Mie spheroidal particle arbitrarily oriented in a counterpropagating trap
JOSA B, Vol. 26, Issue 11, pp. 2109-2116 (2009)
http://dx.doi.org/10.1364/JOSAB.26.002109
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Abstract
The axial and transverse optical forces exerted by Gaussian beams on an arbitrarily oriented and homogeneous spheroid are calculated and studied within the framework of the Mie theory. The results are applied to study the behavior of the forces in a counterpropagating optical trap. We calculate the trapping efficiencies for a wide range of physical parameters, including the beam waist separation distance, the equivalent spheroid radius, the spheroid eccentricity, and the refractive index ratio between the particle and the surrounding medium.
© 2009 Optical Society of America
OCIS Codes
(140.7010) Lasers and laser optics : Laser trapping
(290.0290) Scattering : Scattering
(290.5850) Scattering : Scattering, particles
ToC Category:
Scattering
History
Original Manuscript: July 15, 2009
Manuscript Accepted: September 15, 2009
Published: October 19, 2009
Virtual Issues
Vol. 4, Iss. 13 Virtual Journal for Biomedical Optics
Citation
Héctor Sosa-Martínez and Julio C. Gutiérrez-Vega, "Optical forces on a Mie spheroidal particle arbitrarily oriented in a counterpropagating trap," J. Opt. Soc. Am. B 26, 2109-2116 (2009)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-26-11-2109
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