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Proceedings Paper

Optically bound chain of microparticles
Author(s): Pavel Zemánek; Oto Brzobohaty; Vítezslav Karásek; Tomás Cizmár; Veneranda G. Garcés-Chávez; Kishan Dholakia
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Paper Abstract

We present the first creation of extended longitudinally optically bound chains of microparticles in one dimension. Two counter-propagating "non-diffracting" beams, so called Bessel beams, were used to illuminate the submicrometer sized polystyrene particles immersed in water. Beam homogeneity and extended propagation allowed the creation of 200 microns long chains of organised micro-particles. Furthermore two types of multistability were observed: short range multistability within a single chain and a long-range multi-stability between several distinct chains. Our observations are supported by theoretical results of the coupled dipole method.

Paper Details

Date Published: 18 November 2008
PDF: 7 pages
Proc. SPIE 7138, Photonics, Devices, and Systems IV, 713825 (18 November 2008); doi: 10.1117/12.818076
Show Author Affiliations
Pavel Zemánek, Institute of Scientific Instruments (Czech Republic)
Oto Brzobohaty, Institute of Scientific Instruments (Czech Republic)
Vítezslav Karásek, Institute of Scientific Instruments (Czech Republic)
Tomás Cizmár, Institute of Scientific Instruments (Czech Republic)
Univ. of St. Andrews (United Kingdom)
Veneranda G. Garcés-Chávez, Univ. of St. Andrews (United Kingdom)
Kishan Dholakia, Univ. of St. Andrews (United Kingdom)


Published in SPIE Proceedings Vol. 7138:
Photonics, Devices, and Systems IV
Pavel Tománek; Dagmar Senderáková; Miroslav Hrabovský, Editor(s)

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