How to use laser radiative and evanescent interference fields to control movement of the sub-micron objects

Pavel Zemánek; Tomáš Čižmár; Martin Šiler; Veneranda G. Garcés-Chávez; Kishan Dholakia; Věra Kollárová; Zdeněk Bouchal

doi:10.1117/12.739338

11 April 2007 How to use laser radiative and evanescent interference fields to control movement of the sub-micron objects

Pavel Zemánek, Tomáš Čižmár, Martin Šiler, Veneranda G. Garcés-Chávez, Kishan Dholakia, Věra Kollárová, Zdeněk Bouchal

Author Affiliations +

Proceedings Volume 6609, 15th Czech-Polish-Slovak Conference on Wave and Quantum Aspects of Contemporary Optics; 660902 (2007) https://doi.org/10.1117/12.739338
Event: 15th Czech-Polish-Slovak Conference on Wave and Quantum Aspects of Contemporary Optics, 2006, Liberec, Czech Republic

Abstract

We present how to use the transfer of the momentum from the spatially periodic interference field to submicrometer-sized particles. The interference field is obtained by interference of co-propagating nondiffracting beams and counter-propagating nondi.racting and even evanescent fields. These types of trapping fields enable spatial organization of submicrometer-sized objects into one-dimensional arrays containing even thousands of objects, their controlled delivery over a distance of 1 mm, their sorting according to the size of refractive index. Moreover, the particle tracking enables to study the Brownian dynamics, jumps between neighboring optical traps and interactions between the objects. We present a group of new experiments studying particle behavior in such fields.

Citation Download Citation

Pavel Zemánek, Tomáš Čižmár, Martin Šiler, Veneranda G. Garcés-Chávez, Kishan Dholakia, Věra Kollárová, and Zdeněk Bouchal "How to use laser radiative and evanescent interference fields to control movement of the sub-micron objects", Proc. SPIE 6609, 15th Czech-Polish-Slovak Conference on Wave and Quantum Aspects of Contemporary Optics, 660902 (11 April 2007); https://doi.org/10.1117/12.739338

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