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Proceedings Paper

Optical forces in higher order Bessel beam
Author(s): Martin Šiler; Petr Jákl; Lukáš Chvátal; Pavel Zemánek
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Paper Abstract

Optical force acting upon a dielectric microparticle illuminated by a non-di racting vortex beam is expressed using the Generalized Lorenz-Mie theory (GLMT). Numerical results are presented for di erent widths and topological charges of the vortex beam. We show that such particle may be stably trapped either in the dark center of the vortex beam, in one of two stable positions placed o the optical axis, and as the third option it may circulate along almost circular trajectory having its radius smaller or equal to the radius of the smallest high intensity vortex ring.

Paper Details

Date Published: 18 December 2012
PDF: 6 pages
Proc. SPIE 8697, 18th Czech-Polish-Slovak Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 86970R (18 December 2012); doi: 10.1117/12.2006202
Show Author Affiliations
Martin Šiler, Institute of Scientific Instruments of the ASCR, v.v.i. (Czech Republic)
Petr Jákl, Institute of Scientific Instruments of the ASCR, v.v.i. (Czech Republic)
Lukáš Chvátal, Institute of Scientific Instruments of the ASCR, v.v.i. (Czech Republic)
Pavel Zemánek, Institute of Scientific Instruments of the ASCR, v.v.i. (Czech Republic)


Published in SPIE Proceedings Vol. 8697:
18th Czech-Polish-Slovak Optical Conference on Wave and Quantum Aspects of Contemporary Optics
Jan Peřina; Libor Nozka; Miroslav Hrabovský; Dagmar Senderáková; Waclaw Urbańczyk; Ondrej Haderka; Libor Nožka, Editor(s)

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