Propagation characteristics and particle manipulation of petal-like Swallowtail beams

IF 2.5 3区物理与天体物理 Q2 OPTICS

Optics Communications Pub Date : 2025-09-17 DOI:10.1016/j.optcom.2025.132483

Hongwei Gong , Yujie Wu , Zihan Liu , Zan Zhang , Zijing Zhang , Zhuoyue Sun , Weiting Wang , Xiang Zhou , Yixian Qian , Dongmei Deng

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Abstract

In this paper, the petal-like Swallowtail beam (PSB) is constructed for the first time, through the integration of the higher-order catastrophe beams-Swallowtail beams and the mathematical form of SU(2), and we deeply investigate the effects of different parameters on its propagation in free space. Our findings indicate that the number, width, bending and field strength distribution of the lobes at the initial plane can be precisely controlled by adjusting the parameters, more importantly, these also affect the class full width at half maximum and focal strength of the PSB while maintaining the focal length. By analyzing the gradient forces and scattering forces, we theoretically demonstrate that the PSB can keep the Rayleigh particles bound at the focal point. Finally, we experimentally generate the PSB beam with which we successfully capture and manipulate particles. These conclusions not only promote the study of combining different beams and mathematical models, but also provide new options for applications such as particle manipulation.

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花瓣状燕尾光束的传播特性和粒子操纵

本文通过对高阶突变光束-燕尾光束与SU(2)数学形式的积分，首次构造了花瓣状燕尾光束（PSB），并深入研究了不同参数对其在自由空间中的传播的影响。研究结果表明，在保持焦距的前提下，可以通过调整参数来精确控制初始平面上叶片的数量、宽度、弯曲和场强分布，更重要的是，这些参数还会影响到PSB的半最大全宽和焦强度。通过对梯度力和散射力的分析，从理论上证明了PSB可以保持瑞利粒子在焦点处的束缚。最后，我们通过实验产生了PSB光束，并成功地捕获和操纵了粒子。这些结论不仅促进了不同光束组合和数学模型的研究，而且为粒子操纵等应用提供了新的选择。

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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来源期刊

Optics Communications 物理-光学

CiteScore

5.10

自引率

8.30%

发文量

681

审稿时长

38 days

期刊介绍： Optics Communications invites original and timely contributions containing new results in various fields of optics and photonics. The journal considers theoretical and experimental research in areas ranging from the fundamental properties of light to technological applications. Topics covered include classical and quantum optics, optical physics and light-matter interactions, lasers, imaging, guided-wave optics and optical information processing. Manuscripts should offer clear evidence of novelty and significance. Papers concentrating on mathematical and computational issues, with limited connection to optics, are not suitable for publication in the Journal. Similarly, small technical advances, or papers concerned only with engineering applications or issues of materials science fall outside the journal scope.