This research demonstrates enhanced trapping efficiency of dielectric microspheres in air, indicating promise for future applications.
Optical trapping in air of dielectric micro-spheres is reported using a dual fiber optical tweezers. The spheres are trapped on the interference fringes created by the two counter-propagating optical trapping beams. The use of polarization maintaining fibers allowed us to obtain very high and reproducible trapping efficiencies.
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Magguilli et al. (2025) studied this question.
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