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Phys Rev Lett. 2010 Sep 10;105(11):118103. Epub 2010 Sep 10.

Giant optical manipulation.

Author information

  • 1Laser Physics Center, Research School of Physics and Engineering, Australian National University, Canberra ACT 0200, Australia.

Abstract

We demonstrate a new principle of optical trapping and manipulation increasing more than 1000 times the manipulation distance by harnessing strong thermal forces while suppressing their stochastic nature with optical vortex beams. Our approach expands optical manipulation of particles into a gas media and provides a full control over trapped particles, including the optical transport and pinpoint positioning of ∼100  μm objects over a meter-scale distance with ±10  μm accuracy.

PMID:
20867612
[PubMed - indexed for MEDLINE]

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