The effects of multiple scattering to optical forces on a sphere in an evanescent field

In this paper we discuss the effects of multiple scattering to the optical forces on a particle by an evanescent field. We show that the iterative method to process the effects of the interaction between the particle and a plane surface is invalid when the radius of particle is large or when the str...

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Published inOptics express Vol. 21; no. 10; pp. 12373 - 12384
Main Authors Zang, Wei-Ping, Yang, Yang, Zhao, Zhi-Yu, Tian, Jian-Guo
Format Journal Article
LanguageEnglish
Published United States 20.05.2013
Subjects
Computer Simulation
Light
Models, Theoretical
Scattering, Radiation
Stress, Mechanical
Surface Plasmon Resonance - methods
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Summary:In this paper we discuss the effects of multiple scattering to the optical forces on a particle by an evanescent field. We show that the iterative method to process the effects of the interaction between the particle and a plane surface is invalid when the radius of particle is large or when the structural resonance of the particle occurs. By using the generalized minimum residual method to solve the set of equations directly, the divergence appears in the iterative method can be removed completely. As an illustrative example, we discussed the effects of multiple scattering to optical forces on a particle in an evanescent field from an incident plane wave. The interpretations of numerical results are presented in detail.
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ISSN:1094-4087
1094-4087
DOI:10.1364/OE.21.012373