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Opt Lett. 1991 Oct 1;16(19):1463-5.

Pattern formation and flow control of fine particles by laser-scanning micromanipulation.

Abstract

A novel micromanipulation technique is proposed for aligning fine particles on micrometer-scale spatial patterns and for moving the particles continuously along the formed patterns. This technique is based on the repetitive scanning of a focused trapping laser beam. The velocity of the particle flow can be controlled by scan speed and laser power. The origin of the driving force is considered theoretically and experimentally.

PMID:
19777001

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