Particle manipulation with twisted circle Pearcey vortex beams

In this Letter, we present an approach for particle manipulation utilizing twisted circle Pearcey vortex beams. These beams are modulated by a noncanonical spiral phase, which allows for flexible adjustment of rotation characteristics and spiral patterns. Consequently, particles can be rotated aroun...

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Bibliographic Details
Published in:Optics letters 2023-07, Vol.48 (13), p.3535-3538
Main Authors: Yang, Yongzheng, Wu, You, Zheng, Xinqing, Shi, Jingyi, Luo, Yingjun, Huang, Jinghuan, Deng, Dongmei
Format: Article
Language:English
Subjects:
Cleaning
Electron beams
Particle beams
Perturbation
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Summary:In this Letter, we present an approach for particle manipulation utilizing twisted circle Pearcey vortex beams. These beams are modulated by a noncanonical spiral phase, which allows for flexible adjustment of rotation characteristics and spiral patterns. Consequently, particles can be rotated around the beam's axis and trapped with a protective barrier to avoid perturbation. Our proposed system can quickly de-gather and re-gather multiple particles, enabling a swift and thorough cleaning of small areas. This innovation opens up new possibilities in particle cleaning and creates a new platform for further study.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.494791