Journal
OPTICS EXPRESS
Volume 18, Issue 6, Pages 5724-5729Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.18.005724
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Funding
- Natural Science Foundation of Tianjin [06TXTJJC13500]
- National Natural Science Foundation of China [60978020]
- Foundation of 973 Project [2007CB307002]
- Key International S&T Cooperation Project [2005DFA10170]
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Optical forces on a nanoparticle around an absorptive dielectric nano-fiber illuminated by two linear polarized counter-propagating beams were investigated. The results show the scattering force of the two beams causes the steady trapping along the fiber and the gradient force makes the trapping in the transverse plane of the nano-fiber. By altering the intensity ratio between the two incident beams and the polarization direction of the beams, manipulation along the nano-fiber and in the transverse direction can be realized, respectively. The numerical results present a new promising method to realize quasi 3-dimensional optical manipulation. (C) 2010 Optical Society of America
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