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Dynamic multiple beads manipulation on x-y-z directions
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Paper Abstract

The use of diffractive optical elements (DOEs) for multiple trapping of dielectric micro-spheres immersed in a fluid has been demonstrated recently. When the DOEs are implemented on a spatial light modulator (SLM), the trapped particles can be independently moved by changing the configuration of the DOE. In this paper we demonstrate phase DOEs implemented on an optical addressable SLM to move an array of trapped particles in a volume of about 20x20x6 μm. Experimental results show the usefulness of this technique for particle micromanipulation in biology.

Paper Details

Date Published: 18 October 2004
PDF: 11 pages
Proc. SPIE 5514, Optical Trapping and Optical Micromanipulation, (18 October 2004); doi: 10.1117/12.557636
Show Author Affiliations
Dan Cojoc, INFM (Italy)
ELETTRA Sincrotrone Trieste S.C.p.A (Italy)
Polytechnic Univ. of Bucharest (Romania)
Valentina Emiliani, Institut Jacques Monod, CNRS and Paris 6 (France)
Enrico Ferrari, INFM (Italy)
ELETTRA Sincrotrone Trieste S.C.p.A (Italy)
Valeria Garbin, INFM (Italy)
ELETTRA Sincrotrone Trieste S.C.p.A (Italy)
Enzo Di Fabrizio, INFM (Italy)
ELETTRA Sincrotrone Trieste S.C.p.A (Italy)

Published in SPIE Proceedings Vol. 5514:
Optical Trapping and Optical Micromanipulation
Kishan Dholakia; Gabriel C. Spalding, Editor(s)

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