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Optical Trapping, Optical Binding, and Rotational Dynamics of Silicon Nanowires in Counter-Propagating Beams
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SYSNO ASEP 0509089 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Optical Trapping, Optical Binding, and Rotational Dynamics of Silicon Nanowires in Counter-Propagating Beams Author(s) Donato, M. G. (IT)
Brzobohatý, O. (CZ)
Simpson, Stephen Hugh (UPT-D) RID, SAI
Irrera, A. (IT)
Leonardi, A.A. (IT)
Lo Faro, M.J. (IT)
Svak, Vojtěch (UPT-D) RID, SAI
Marago, O. M. (IT)
Zemánek, Pavel (UPT-D) RID, SAI, ORCIDNumber of authors 9 Source Title Nano Letters. - : American Chemical Society - ISSN 1530-6984
Roč. 19, č. 1 (2019), s. 342-352Number of pages 11 s. Publication form Print - P Language eng - English Country US - United States Keywords optical trapping ; optical binding ; silicon nanowires ; light-driven rotations ; light angular momentum Subject RIV BH - Optics, Masers, Lasers OECD category Optics (including laser optics and quantum optics) R&D Projects GB14-36681G GA ČR - Czech Science Foundation (CSF) LO1212 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) ED0017/01/01 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Method of publishing Limited access Institutional support UPT-D - RVO:68081731 UT WOS 000455561300043 EID SCOPUS 85058803453 DOI https://doi.org/10.1021/acs.nanolett.8b03978 Annotation Silicon nanowires are held and manipulated in controlled optical traps based on counter-propagating beams focused by low numerical aperture lenses. The double-beam configuration compensates light scattering forces enabling an in-depth investigation of the rich dynamics of trapped nanowires that are prone to both optical and hydrodynamic interactions. Several polarization configurations are used, allowing the observation of optical binding with different stable structure as well as the transfer of spin and orbital momentum of light to the trapped silicon nanowires. Accurate modeling based on Brownian dynamics simulations with appropriate optical and hydrodynamic coupling confirms that this rich scenario is crucially dependent on the non-spherical shape of the nanowires. Such an increased level of optical control of multiparticle structure and dynamics open perspectives for nanofluidics and multi-component light-driven nanomachines. Workplace Institute of Scientific Instruments Contact Martina Šillerová, sillerova@ISIBrno.Cz, Tel.: 541 514 178 Year of Publishing 2020 Electronic address https://pubs.acs.org/doi/10.1021/acs.nanolett.8b03978
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