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Rotating of low-refractive-index microparticles with a quasi-perfect optical vortex
Liang, Yansheng1,2; Lei, Ming1; Yan, Shaohui1; Li, Manman1,2; Cai, Yanan1,2; Wang, Zhaojun1,2; Yu, Xianghua1; Yao, Baoli1
Department瞬态光学技术国家重点实验室
2018
Source PublicationAPPLIED OPTICS
ISSN1559-128X
Volume57Issue:1Pages:79-84
Contribution Rank1
Abstract

Low-refractive-index microparticles, such as hollow microspheres, have shown great significance in some applications, such as biomedical sensing and targeted drug delivery. However, optical trapping and manipulation of low-refractive-index microparticles are challenging, owing to the repelling force exerted by typical optical traps. In this paper, we demonstrated optical trapping and rotating of large-sized low-refractive-index microparticles by using quasi-perfect optical vortex (quasi-POV) beams, which were generated by Fourier transform of high-order quasi-Bessel beams. Numerical simulation was carried out to characterize the focusing property of the quasi-POV beams. The dynamics of low-refractive-index microparticles in the quasi-POV with various topological charges was investigated in detail. To improve the trapping and rotating performances of the vortex, a point trap was introduced at the center of the ring. Experimental results showed that the quasi-POV was preferable for manipulation of large-sized low-refractive-index microparticles, with its control of the particles' rotating velocity dependent only on the topological charge due to the unchanged orbital radius. (C) 2017 Optical Society of America

 

DOI10.1364/AO.57.000079
Indexed BySCI ; EI
Language英语
WOS IDWOS:000418614400045
EI Accession Number20180104603089
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/30819
Collection瞬态光学技术国家重点实验室
Corresponding AuthorLei, Ming
Affiliation1.Chinese Acad Sci, Xian Inst Opt & Precis Mech, China State Key Lab Transient Opt & Photon, Xian 710119, Shaanxi, Peoples R China;
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Liang, Yansheng,Lei, Ming,Yan, Shaohui,et al. Rotating of low-refractive-index microparticles with a quasi-perfect optical vortex[J]. APPLIED OPTICS,2018,57(1):79-84.
APA Liang, Yansheng.,Lei, Ming.,Yan, Shaohui.,Li, Manman.,Cai, Yanan.,...&Yao, Baoli.(2018).Rotating of low-refractive-index microparticles with a quasi-perfect optical vortex.APPLIED OPTICS,57(1),79-84.
MLA Liang, Yansheng,et al."Rotating of low-refractive-index microparticles with a quasi-perfect optical vortex".APPLIED OPTICS 57.1(2018):79-84.
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