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Enhancement of the 'tractor-beam' pulling force on an optically bound structure
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SYSNO ASEP 0489593 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Enhancement of the 'tractor-beam' pulling force on an optically bound structure Author(s) Damková, Jana (UPT-D) RID, ORCID, SAI
Chvátal, Lukáš (UPT-D) RID, ORCID, SAI
Ježek, Jan (UPT-D) RID, ORCID, SAI
Oulehla, Jindřich (UPT-D) RID, ORCID, SAI
Brzobohatý, Oto (UPT-D) RID, ORCID, SAI
Zemánek, Pavel (UPT-D) RID, SAI, ORCIDNumber of authors 6 Article number 17135 Source Title Light-Science & Applications. - : Springer - ISSN 2047-7538
Roč. 7, JAN (2018)Number of pages 6 s. Publication form Print - P Language eng - English Country GB - United Kingdom Keywords binding ; microscopy Subject RIV BH - Optics, Masers, Lasers OECD category Optics (including laser optics and quantum optics) R&D Projects GA14-16195S GA ČR - Czech Science Foundation (CSF) TE01020233 GA TA ČR - Technology Agency of the Czech Republic (TA ČR) LO1212 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) ED0017/01/01 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Institutional support UPT-D - RVO:68081731 UT WOS 000424325600001 EID SCOPUS 85040453278 DOI 10.1038/lsa.2017.135 Annotation Recently, increasing attention has been devoted to mastering a new technique of optical delivery of micro-objects tractor-beam'(1-9). Such beams have uniform intensity profiles along their propagation direction and can exert a negative force that, in contrast to the familiar pushing force associated with radiation pressure, pulls the scatterer toward the light source. It was experimentally observed that under certain circumstances, the pulling force can be significantly enhanced(6) if a non-spherical scatterer, for example, a linear chain of optically bound objects(10-12), is optically transported. Here we demonstrate that motion of two optically bound objects in a tractor beam strongly depends on theirs mutual distance and spatial orientation. Such configuration-dependent optical forces add extra flexibility to our ability to control matter with light. Understanding these interactions opens the door to new applications involving the formation, sorting or delivery of colloidal self-organized structures. Workplace Institute of Scientific Instruments Contact Martina Šillerová, sillerova@ISIBrno.Cz, Tel.: 541 514 178 Year of Publishing 2019
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