Trap stiffness modification of an optically trapped microsphere through directed motion of nanoparticles.
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DOI: 10.1364/ao.389500
Abstract: We report an enhancement in the corner frequency of an optically trapped non-magnetic microsphere in the plane perpendicular to the laser propagation direction on addition of ferrofluid to the suspension medium. We conjecture that a… read more here.
Keywords: corner frequency; directed motion; trap stiffness; motion nanoparticles ... See more keywords