首页|Subwavelength spinning of particles in vector cosine-Gaussian field with radial polarization

Subwavelength spinning of particles in vector cosine-Gaussian field with radial polarization

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? 2021 Elsevier B.V.A new type of radially polarized (RP) cosine-Gaussian (CG) field is proposed. Through the analytical model, it is found that such RP CG beam exhibits completely different focusing properties from the reported RP plane waves. More importantly, a stable three-dimensional trap of Rayleigh particle accompanied by a subwavelength spin motion can be easily achieved using this RP CG beam.

Cosine-Gaussian fieldDiffractive opticsOptical trappingRadial polarization

Zhao R.、Man Z.、Wang B.、Ge X.、Zhang W.、Fu S.、Jiang M.、Zhang S.、Zhang Y.

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School of Physics and Optoelectronic Engineering Shandong University of Technology

Optics Research Group Delft University of Technology Department of Imaging Physics

Nanophotonics Research Center Shenzhen Key Laboratory of Micro-Scale Optical Information Technology & Institute of Microscale Optoelectronics Shenzhen University

2022

Optics Communications

Optics Communications

EISCI
ISSN:0030-4018
年,卷(期):2022.508
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