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Experimental optical trapping with frozen waves

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Abstract

We report, to the best of our knowledge, the first optical trapping experimental demonstration of microparticles with frozen waves. Frozen waves are an efficient method to model longitudinally the intensity of nondiffracting beams obtained by superposing copropagating Bessel beams with the same frequency and order. Based on this, we investigate the optical force distribution acting on microparticles of two types of frozen waves. The experimental setup of holographic optical tweezers using a spatial light modulator has been assembled and optimized. The results show that it is possible to obtain greater stability for optical trapping using frozen waves. The significant enhancement in trapping geometry from this approach shows promising applications for optical tweezers micromanipulations over a broad range.

© 2020 Optical Society of America

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Supplementary Material (3)

NameDescription
Visualization 1       FW Optical Trapping: First example.
Visualization 2       FW Optical Trapping: Second example 1.
Visualization 3       FW Optical Trapping: Second example 2.

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