期刊
OPTICS COMMUNICATIONS
卷 240, 期 4-6, 页码 401-415出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.optcom.2004.06.051
关键词
optical force; Rayleigh particle; colloidal particle; interference optical trap; optical lattice; sorting; refractive index; optical chromatography
类别
We describe a general way how to calculate optical forces acting on Rayleigh particles or colloids placed into general interference field. In this paper, we focus on a configuration with three interfering beams laying in one plane and we present a comprehensive analysis of trap properties and particle behaviour. We found that this arrangement can be used for simultaneous 2D/3D confinement or sorting of particles having refractive index higher or lower comparing to the surrounding immersion medium. (C) 2004 Elsevier B.V. All rights reserved.
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