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Phys Rev E Stat Nonlin Soft Matter Phys. 2007 Feb;75(2 Pt 2):026613. Epub 2007 Feb 23.

Theoretical prediction of radiation pressure force exerted on a spheroid by an arbitrarily shaped beam.

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1
Institute of Particle and Two-phase Flow Measurement Technology, University of Shanghai for Science and Technology, 516 Jungong Rd., Shanghai 200093, China.

Abstract

A rigorous theory is developed to predict the radiation pressure force (RPF) exerted on a spheroid by an arbitrarily oriented and located shaped beam. Analytical expressions of RPF are derived for a homogeneous spheroid, which can be prolate or oblate, transparent or absorbing. Exemplifying calculations are performed and RPF calculations for spheroids are compared to RPF calculations for spheres. The "Optical Stretcher" is also numerically simulated to study the RPF exerted on a red blood cell during its deformation.

PMID:
17358442
DOI:
10.1103/PhysRevE.75.026613
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