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

Journal article (2022)

Authors

Rui Zhao Shandong University of Technology
M. Jiang ImPhys/Optics
Shuoshuo Zhang Shenzhen University
Zhongsheng Man Shandong University of Technology, Shandong Normal University
Benyi Wang Shandong University of Technology
Xiaolu Ge Shandong University of Technology
Wenfei Zhang Shandong University of Technology
Yuquan Zhang Shenzhen University
Shenggui Fu Shandong University of Technology
Research Group
ImPhys/Optics
Copyright: © 2022 Rui Zhao, M. Jiang, Shuoshuo Zhang, Zhongsheng Man, Benyi Wang, Xiaolu Ge, Wenfei Zhang, Yuquan Zhang, Shenggui Fu
DOI: https://doi.org/10.1016/j.optcom.2021.127829
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Published Date

2022

Language

English

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Research Group

ImPhys/Optics

Abstract

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.

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