All-optical control of microfluidic components using form birefringence

Steven L. Neale; Michael P. Macdonald; Kishan Dholakia; Thomas F. Krauss

doi:10.1038/nmat1411

All-optical control of microfluidic components using form birefringence

Steven L. Neale, Michael P. Macdonald, Kishan Dholakia, Thomas F. Krauss

Department of Physics

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

134 Citations (Scopus)

Abstract

The modeling, fabrication and rotation of microgears based on the principle of form birefringence, are discussed. Using a geometric anisotropy, a microgear can be fabricated of known birefringence, which may be readily rotated by manipulating the input polarization in a standard optical trap. This methodology offers a new and powerful mechanism for generating a wide range of microfabricated machines, such as micropumps, that may be driven by purely optical control. It was presented that one microgear can be used to rotate a second optically trapped microgear.

Original language	English
Pages (from-to)	530-533
Number of pages	4
Journal	Nature materials
Volume	4
Issue number	7
DOIs	https://doi.org/10.1038/nmat1411
Publication status	Published - 2005 Jul

Bibliographical note

Funding Information:
We thank the UK Engineering and Physical Sciences Research Council (EPSRC), the European Science Foundation SONS project NOMSAN and the European Commission 6th framework programme— NEST ADVENTURE Activity—through Project ATOM-3D (Contract No. 508952), for their support of this work. M. P. MacDonald acknowledges the support of an EPSRC Advanced Research Fellowship. Correspondence and requests for materials should be addressed to S.L.N. Supplementary Information accompanies the paper on www.nature.com/naturematerials.

All Science Journal Classification (ASJC) codes

Chemistry(all)
Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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abstract = "The modeling, fabrication and rotation of microgears based on the principle of form birefringence, are discussed. Using a geometric anisotropy, a microgear can be fabricated of known birefringence, which may be readily rotated by manipulating the input polarization in a standard optical trap. This methodology offers a new and powerful mechanism for generating a wide range of microfabricated machines, such as micropumps, that may be driven by purely optical control. It was presented that one microgear can be used to rotate a second optically trapped microgear.",

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All-optical control of microfluidic components using form birefringence

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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