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Optical manipulation of a dielectric particle along polygonal closed-loop geometries within a single water droplet

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Park_2021_SciRep_Optical_manipulation_CC.pdf (2.742Mb)
Date
16/06/2021
Author
Park, Junbum
Hong, Seongjin
Lee, Yong Soo
Lee, Hyeonwoo
Kim, Seokjin
Dholakia, Kishan
Oh, Kyunghwan
Keywords
Fluid dynamics
Optical techniques
QC Physics
TK Electrical engineering. Electronics Nuclear engineering
DAS
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Abstract
We 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.
Citation
Park , 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 . https://doi.org/10.1038/s41598-021-92209-9
Publication
Scientific Reports
Status
Peer reviewed
DOI
https://doi.org/10.1038/s41598-021-92209-9
ISSN
2045-2322
Type
Journal article
Rights
Copyright © 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 holder
Description
This 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).
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/23488

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