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Proceedings Paper

Self-trapping and back-action effects in hollow photonic crystal cavity optical traps
Author(s): Nicolas Descharmes; Ulagalandha Perumal Dharanipathy; Zhaolu Diao; Mario Tonin; Romuald Houdré
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Paper Abstract

We report on the first experimental demonstration of resonant optical trapping of dielectric particles in a two-dimensional hollow photonic crystal cavity. The cavities are implemented in an optofluidic chip consisting of a silicon-on-insulator substrate and an ultrathin microfluidic membrane, Resonant optical trapping of 500 nm polystyrene beads is achieved using less than 120 μW optical power in the cavity for trapping times reaching over ten minutes.

Paper Details

Date Published: 5 March 2013
PDF: 7 pages
Proc. SPIE 8637, Complex Light and Optical Forces VII, 863709 (5 March 2013); doi: 10.1117/12.2004542
Show Author Affiliations
Nicolas Descharmes, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Ulagalandha Perumal Dharanipathy, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Zhaolu Diao, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Mario Tonin, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Romuald Houdré, Ecole Polytechnique Fédérale de Lausanne (Switzerland)


Published in SPIE Proceedings Vol. 8637:
Complex Light and Optical Forces VII
Jesper Glückstad; David L. Andrews; Enrique J. Galvez, Editor(s)

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