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

被引：74

作者：

Milne, Graham ^{[1
]}

Rhodes, Daniel ^{[1
]}

MacDonald, Michael ^{[1
]}

Dholakia, Kishan ^{[1
]}

机构：

[1] Univ St Andrews, Sch Phys & Astron, St Andrews KY16 9SS, Fife, Scotland

来源：

OPTICS LETTERS | 2007年 / 32卷 / 09期

基金：

英国工程与自然科学研究理事会;

关键词：

D O I：

10.1364/OL.32.001144

中图分类号：

O43 [光学];

学科分类号：

070207 [光学]; 0803 [光学工程];

摘要：

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.

引用

页码：1144 / 1146

页数：3

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