Actas de congresos
Manipulating Gradient Forces On Optical Tweezers Using Bessel Beams
Registro en:
1424406617; 9781424406616
Sbmo/ieee Mtt-s International Microwave And Optoelectronics Conference Proceedings. , v. , n. , p. 63 - 66, 2007.
10.1109/IMOC.2007.4404213
2-s2.0-50449102371
Autor
Ambrosio L.A.
Zamboni-Rached M.
Hernandez-Figueroa H.E.
Institución
Resumen
In this paper, we show how one can change the stable equilibrium of a particle trapped into by optical tweezers through the intensity variation of superposed Bessel beams with different orders. The gradient forces acting on particles of different radii are determined, and the theoretical results indicate that it is possible to combine Bessel beams in such a way that a particle can be manipulated into or out the centre of the beam by exploiting their ring-shaped intensity patterns, without any mechanical displacement of the lasers. © 2007 IEEE.
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