Optical manipulation of microscopic objects by means of vertical-cavity surface-emitting laser array sources
2001
We report on experimental verification of optical trapping using
multiple beams generated by a vertical-cavity surface-emitting laser
(VCSEL) array. Control of the spatial and temporal emission of
a VCSEL array provides flexibility for manipulation of microscopic
objects with compact hardware. Simultaneous capture of multiple
objects and translation of an object without mechanical movement are
demonstrated by an experimental system equipped with 8 × 8 VCSEL
array sources. Features and applicability of the method are also
discussed.
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