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dc.contributor.authorPark, Junbum
dc.contributor.authorHong, Seongjin
dc.contributor.authorLee, Yong Soo
dc.contributor.authorLee, Hyeonwoo
dc.contributor.authorKim, Seokjin
dc.contributor.authorDholakia, Kishan
dc.contributor.authorOh, Kyunghwan
dc.identifier.citationPark , J , Hong , S , Lee , Y S , Lee , H , Kim , S , Dholakia , K & Oh , K 2021 , ' Optical manipulation of a dielectric particle along polygonal closed-loop geometries within a single water droplet ' , Scientific Reports , vol. 11 , 12690 .
dc.identifier.otherPURE: 274844081
dc.identifier.otherPURE UUID: 360c54e7-847e-43cf-bb10-7d34c7cff4e8
dc.identifier.otherRIS: urn:8EDE915A21C5996C4FFD71B9DF0ADBE4
dc.identifier.otherRIS: Park2021
dc.identifier.otherWOS: 000665149200008
dc.identifier.otherScopus: 85108179178
dc.descriptionThis work was supported by the National Research Foundation of Korea (NRF) Grant funded by the Korea government (MSIT) (No. 2019R1A2C2011293) and the UK Engineering and Physical Sciences Research Council (Grant EP/P030017/1).en
dc.description.abstractWe report a new method to optically manipulate a single dielectric particle along closed-loop polygonal trajectories by crossing a suite of all-fiber Bessel-like beams within a single water droplet. Exploiting optical radiation pressure, this method demonstrates the circulation of a single polystyrene bead in both a triangular and a rectangle geometry enabling the trapped particle to undergo multiple circulations successfully. The crossing of the Bessel-like beams creates polygonal corners where the trapped particles successfully make abrupt turns with acute angles, which is a novel capability in microfluidics. This offers an optofluidic paradigm for particle transport overcoming turbulences in conventional microfluidic chips.
dc.relation.ispartofScientific Reportsen
dc.rightsCopyright © The Author(s) 2021 This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holderen
dc.subjectFluid dynamicsen
dc.subjectOptical techniquesen
dc.subjectQC Physicsen
dc.subjectTK Electrical engineering. Electronics Nuclear engineeringen
dc.titleOptical manipulation of a dielectric particle along polygonal closed-loop geometries within a single water dropleten
dc.typeJournal articleen
dc.description.versionPublisher PDFen
dc.contributor.institutionUniversity of St Andrews.School of Physics and Astronomyen
dc.contributor.institutionUniversity of St Andrews.Sir James Mackenzie Institute for Early Diagnosisen
dc.contributor.institutionUniversity of St Andrews.Centre for Biophotonicsen
dc.contributor.institutionUniversity of St Andrews.Biomedical Sciences Research Complexen
dc.description.statusPeer revieweden

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