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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 9 — May. 1, 2007
  • pp: 1144–1146

Fractionation of polydisperse colloid with acousto-optically generated potential energy landscapes

Graham Milne, Daniel Rhodes, Michael MacDonald, and Kishan Dholakia  »View Author Affiliations


Optics Letters, Vol. 32, Issue 9, pp. 1144-1146 (2007)
http://dx.doi.org/10.1364/OL.32.001144


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Abstract

The motion of colloidal particles on a periodic optical potential energy landscape in the presence of an external driving force may result in particle separation. In contrast to recent methods of holographic or interferometric generation of such landscapes, we use an acousto-optic deflector to create two-dimensional landscapes. We present what is believed to be the first experimental realization of fractionation with simultaneous sorting of four different sizes of colloidal microparticle into laterally separated parallel laminar streams.

© 2007 Optical Society of America

OCIS Codes
(170.4520) Medical optics and biotechnology : Optical confinement and manipulation
(230.1040) Optical devices : Acousto-optical devices

ToC Category:
Optical Devices

History
Original Manuscript: January 11, 2007
Manuscript Accepted: January 18, 2007
Published: April 3, 2007

Virtual Issues
Vol. 2, Iss. 6 Virtual Journal for Biomedical Optics

Citation
Graham Milne, Daniel Rhodes, Michael MacDonald, and Kishan Dholakia, "Fractionation of polydisperse colloid with acousto-optically generated potential energy landscapes," Opt. Lett. 32, 1144-1146 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-9-1144

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