Optical conveyor belt based on Bessel beams

Tomas Cizmar; Veneranda Garcez-Chavez; Kishan Dholakia; Pavel Zemanek

doi:10.1117/12.615728

18 August 2005 Optical conveyor belt based on Bessel beams

Tomas Cizmar, Veneranda Garcez-Chavez, Kishan Dholakia, Pavel Zemanek

Proceedings Volume 5930, Optical Trapping and Optical Micromanipulation II; 59300X (2005) https://doi.org/10.1117/12.615728
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

In this paper we present the standing wave created from two counter-propagating non-diffracting (Bessel) beams as a device for confinement and precise delivery of sub-micron sized particles. The particle position in direction of beam propagation is controled by changing the phase shift between these two beams. We succeeded in delivery of polystyrene particles of diameter 410 nm over a distance of 300 μm. At the same time we experimentaly confirmed the theoretical prediction how the optical forces acting on particles in this kind of field depend on the size of the objects .

Citation Download Citation

Tomas Cizmar, Veneranda Garcez-Chavez, Kishan Dholakia, and Pavel Zemanek "Optical conveyor belt based on Bessel beams", Proc. SPIE 5930, Optical Trapping and Optical Micromanipulation II, 59300X (18 August 2005); https://doi.org/10.1117/12.615728

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