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

Graham Milne; Daniel Rhodes; Michael MacDonald; Kishan Dholakia

doi:10.1364/OL.32.001144

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

Graham Milne, Daniel Rhodes, Michael MacDonald, Kishan Dholakia

Research output: Contribution to journal › Article › peer-review

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. (c) 2007 Optical Society of America.

Original language	English
Pages (from-to)	1144-1146
Number of pages	3
Journal	Optics Letters
Volume	32
Issue number	9
DOIs	https://doi.org/10.1364/OL.32.001144
Publication status	Published - 1 May 2007

Keywords

SEPARATION

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10.1364/OL.32.001144

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AU - Dholakia, Kishan

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

Abstract

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EP/D001668/1: Light induced Dielectrophoresis (LIDEP)

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

Abstract

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Projects

EP/D001668/1: Light induced Dielectrophoresis (LIDEP)

Cite this