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Soft Report - Dipartimento di Fisica - Sapienza

Soft Report - Dipartimento di Fisica - Sapienza

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ContentsCover Image: Selected frames from a movie <strong>di</strong>splaying eight optically trapped silicabeads (2 microns <strong>di</strong>ameter) in water, morphing through the four letters S-O-F-T. Opticalmanipulation of the beads is obtained via a holographic tweezer (see the experimentalfacilities section for details): the wavefront of a laser beam is dynamically shaped by aSpatial Light Modulator and focused on the sample volume by a microscope objective.(by Roberto Di Leonardo)SOFT Scientific <strong>Report</strong> 2004-064

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