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Opt Lett. 2002 Feb 15;27(4):267-9.

Multiple-beam optical tweezers generated by the generalized phase-contrast method.

Abstract

We demonstrate the application of the generalized phase-contrast (GPC) method to the implementation of a multiple-beam optical tweezer system. Experimental results show the generation of four optical tweezers from a fixed phase mask in conjunction with a GPC system to trap and hold 1-microm-sized polystyrene beads in solution.

PMID:
18007775

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