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Spinning of particles in optical double-vortex beams
Li, Manman1,2; Yan, Shaohui1; Liang, Yansheng1,2; Zhang, Peng1; Yao, Baoli1; Yan, SH
Source PublicationJOURNAL OF OPTICS
Contribution Rank1

Optical spin angular momentum, an intrinsic part of optical angular momemtum, can induce a spinning motion of a trapped particle around its own axis in optical manipulation. Focusing of a type of double-vortex (DV) input field obtained by linearly superposing two optical vortex beams with equal but opposite topological charges, yields a multi-lobe focal field, each of which has non-vanishing optical spin angular momentum, and is capable of trapping particle while spinning the particle around a certain axis. Significantly, both the focusing properties and the spinning dynamics are strongly polarization dependent. For instance, the focused field of a circularly polarized double-vortex (CPDV) beam carries transverse and longitudinal spin angular momenta, inducing axial spinning of the trapped particles, whereas the focused field of a radially polarized double-vortex (RPDV) beam possesses purely transverse spin angular momentum and can drive the particles to spin transversely to the optical axis. These results may find potential applications in light beam shaping and optical manipulations.


KeywordPolarization Optical Vortices Optical Manipulation Laser Beam Shaping
Indexed BySCI ; EI
WOS IDWOS:000422736500001
EI Accession Number20180804821192
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Chinese Acad Sci, Xian Inst Opt & Precis Mech, 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
Li, Manman,Yan, Shaohui,Liang, Yansheng,et al. Spinning of particles in optical double-vortex beams[J]. JOURNAL OF OPTICS,2018,20(2).
APA Li, Manman,Yan, Shaohui,Liang, Yansheng,Zhang, Peng,Yao, Baoli,&Yan, SH.(2018).Spinning of particles in optical double-vortex beams.JOURNAL OF OPTICS,20(2).
MLA Li, Manman,et al."Spinning of particles in optical double-vortex beams".JOURNAL OF OPTICS 20.2(2018).
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