Rotation of dielectric disks in focused vortex beams

Lukáš Chvátal; Alejandro V. Arzola; Oto Brzobohatý; Petr Jákl; Pavel Zemánek

doi:10.1117/12.2070472

6 January 2015 Rotation of dielectric disks in focused vortex beams

Lukáš Chvátal, Alejandro V. Arzola, Oto Brzobohatý, Petr Jákl, Pavel Zemánek

Proceedings Volume 9450, Photonics, Devices, and Systems VI; 94501U (2015) https://doi.org/10.1117/12.2070472
Event: Photonics Prague 2014, 2014, Prague, Czech Republic

Abstract

We study theoretically the angular momentum transfer between strongly focused laser vortex beam and a dielectric oblate spheroidal particle (OSP). We find sets of geometrical parameters of the particle and the beam for which the particle is stably trapped on the beam axis in a uniform rotating state, thereby serving as a possible test probe of the global beam angular momentum as well as its spin and orbital parts.

Citation Download Citation

Lukáš Chvátal, Alejandro V. Arzola, Oto Brzobohatý, Petr Jákl, and Pavel Zemánek "Rotation of dielectric disks in focused vortex beams", Proc. SPIE 9450, Photonics, Devices, and Systems VI, 94501U (6 January 2015); https://doi.org/10.1117/12.2070472

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