携带多涡奇点的空心平顶高斯光束的传播动力学和辐射力

IF 3.5 2区工程技术 Q2 OPTICS

Optics and Lasers in Engineering Pub Date : 2024-10-16 DOI:10.1016/j.optlaseng.2024.108644

Jian Yu , Shandong Tong , Shuaiqi Geng , Bowen Dong , Zhe Zhang , Min Zhou , Peichao Zheng

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引用次数: 0

摘要

本文提出了一种嵌入多涡旋奇点的空心平顶高斯梁（HFTGB）。通过数值模拟和实验研究了其在拓扑电荷、奇点数量和位置等不同情况下的传播动力学。特别是研究了携带不同分数拓扑电荷的 HFTGB 的演化过程。此外，还详细分析和讨论了瑞利微球上的辐射力诱导 HFTGB 内嵌多涡旋奇点。结果表明，结合多奇点的优势，HFTGB 在捕获或操纵瑞利粒子方面具有更高的调节自由度。这项工作将有助于在光学操纵、光通信和其他应用场景中更精确、更灵活地使用 HFTGB。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Propagation dynamics and radiation force of the hollow flat-topped Gaussian beam carrying multi-vortex singularities

A hollow flat-topped Gaussian beam (HFTGB) embedded multi-vortex singularities is put forward in this paper. Its propagation dynamics under the different cases of topological charge, singularity number and location are investigated by means of numerical simulation and experiment. Especially, the evolution of the HFTGB carrying different fractional topological charges is also examined. In addition, the radiation force on a Rayleigh microsphere induced the HFTGB embedded multi-vortex singularities are analyzed and discussed in detail. The results demonstrate that, combined with the advantages of multiple singularities, the HFTGBs have a higher degree of regulatory freedom for trapping or manipulating Rayleigh particles. This work will contribute to the more precise and flexible use of HFTGBs in optical manipulation, optical communication, and other application scenarios.

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来源期刊

Optics and Lasers in Engineering 工程技术-光学

CiteScore

8.90

自引率

8.70%

发文量

384

审稿时长

42 days

期刊介绍： Optics and Lasers in Engineering aims at providing an international forum for the interchange of information on the development of optical techniques and laser technology in engineering. Emphasis is placed on contributions targeted at the practical use of methods and devices, the development and enhancement of solutions and new theoretical concepts for experimental methods. Optics and Lasers in Engineering reflects the main areas in which optical methods are being used and developed for an engineering environment. Manuscripts should offer clear evidence of novelty and significance. Papers focusing on parameter optimization or computational issues are not suitable. Similarly, papers focussed on an application rather than the optical method fall outside the journal''s scope. The scope of the journal is defined to include the following: -Optical Metrology- Optical Methods for 3D visualization and virtual engineering- Optical Techniques for Microsystems- Imaging, Microscopy and Adaptive Optics- Computational Imaging- Laser methods in manufacturing- Integrated optical and photonic sensors- Optics and Photonics in Life Science- Hyperspectral and spectroscopic methods- Infrared and Terahertz techniques