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Article Dans Une Revue Optics Letters Année : 2016

Rotation of millimeter-size objects using ordinary light

Olivier Emile
Janine Emile

Résumé

The ability to optically rotate bodies offers new degrees of control of micro-objects with applications in various domains including micro-electromechanical-systems (MEMS), biomanipulations or optofluidics. Here we demonstrate the optically induced rotation of simple asymmetric two-dimensional objects using plane waves originating either from ordinary laser sources or from black body radiation. The objects are floating on an air/water interface. We observe a steady state rotation depending on the light intensity and on the asymmetry of the object. We interpret this rotation in terms of light diffraction by the edges of the object. Such systems could be easily implemented in optofluidic devices to induce liquid flow without the need for special light sources.
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Dates et versions

hal-01248554 , version 1 (28-12-2015)

Identifiants

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Olivier Emile, Janine Emile. Rotation of millimeter-size objects using ordinary light. Optics Letters, 2016, 41 (2), pp.211-214. ⟨10.1364/OL.41.000211⟩. ⟨hal-01248554⟩
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