Optical skipping rope induced transverse OAM for particle orbital motion parallel to the optical axis-Reference-Cited by-同舟云学术

Optical skipping rope induced transverse OAM for particle orbital motion parallel to the optical axis

Published:2023-11-02 Issue:23 Volume:12 Page:4351-4359
ISSN:2192-8614
Container-title:Nanophotonics
language:en
Short-container-title:

Author:

Zhu Liuhao¹,Zhang Xiaohe²^ORCID,Rui Guanghao¹,He Jun³,Gu Bing¹⁴^ORCID,Zhan Qiwen⁵^ORCID

Affiliation:

1. Advanced Photonics Center, School of Electronic Science & Engineering, Southeast University , Nanjing 210096 , China

2. School of Automatic, Nanjing University of Information Science & Technology , Nanjing 210044 , China

3. School of Physics and Electronics, Central South University , Changsha 410012 , China

4. Collaborative Innovation Center of Light Manipulations and Applications, Shandong Normal University , Jinan 250358 , China

5. School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology , Shanghai 200093 , China

Abstract

Abstract In structured light tweezers, it is a challenging technical issue to realize the complete circular motion of the trapped particles parallel to the optical axis. Herein, we propose and generate a novel optical skipping rope via combining beam shaping technology, Fourier shift theorem, and beam grafting technology. This optical skipping rope can induce the transverse orbital angular momentum (OAM) (i.e., nominal OAM, whose direction is perpendicular to the optical axis) and transfer it to the particles, so that the particles have a transverse torque, thereby causing the particles to rotate parallel to the optical axis. Experimentally, our optical tweezers validate that the designed optical skipping rope realizes the orbital motion of polystyrene particles parallel to the optical axis. Additionally, the experiments also demonstrate that the optical skipping ropes manipulate particles to move along the oblique coil trajectory and three-dimensional (3D) cycloidal trajectory. Using the laser beam induced OAM, this innovative technology increases the degree of freedom for manipulating particles, which is of great significance for the application of optical tweezers in optical manipulation, micromechanics, and mimicry of celestial orbits.

Funder

National Natural Science Foundation of China

Publisher

Walter de Gruyter GmbH

Subject

Electrical and Electronic Engineering,Atomic and Molecular Physics, and Optics,Electronic, Optical and Magnetic Materials,Biotechnology

Link

https://www.degruyter.com/document/doi/10.1515/nanoph-2023-0551/pdf

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