Metasurface-Based Wide Amplitude Modulated Airy Beams for Particle Manipulation

IF 2.5 3区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Photonics Technology Letters Pub Date : 2025-07-24 DOI:10.1109/LPT.2025.3592295

Yaokun Shi;Zhiyuan Xiang;Zhe Shen

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引用次数: 0

Abstract

Airy beams with specific amplitude and phase distributions are intriguing due to their self-reconstruction, nondiffraction, and self-accelerating properties. Previously most metasurfaces took only modulating phase for the generation of Airy beams, resulting in a certain distance for beam forming, which hampers their applications in optical manipulation. In this work, we reported a method to generate 2D/array Airy beams by using phase-amplitude-modulated metasurfaces and investigated their particle manipulation. The designed metasurfaces have an ultra-wide amplitude modulation range with a transmittance from 9% to 92% in order that the generated 2D Airy beams can be formed immediately after a short propagation distance. The self-healing property of the generated 2D Airy beams was demonstrated. Quantitative analysis of the optical forces shows that the generated 2D Airy beams can stably trap and drive particles even being obstructed. In addition, we introduced a strategy to build array Airy beams by superposing four rotated 2D ones and demonstrated their self-healing property. Our work advances the application of Airy beams in optical tweezers and highlights their potential in optical, biological, and atmospheric science.

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基于超表面的宽振幅调制艾里光束用于粒子操纵

具有特定振幅和相位分布的艾里光束由于其自重构、无衍射和自加速特性而引起人们的兴趣。以往大多数超表面仅采用调制相位产生艾里光束，导致光束形成有一定距离，阻碍了其在光学操纵中的应用。在这项工作中，我们报道了一种利用相位振幅调制的超表面产生二维/阵列艾里光束的方法，并研究了它们的粒子操纵。所设计的超表面具有超宽的调幅范围，透过率在9% ~ 92%之间，以便在较短的传播距离后立即形成二维Airy光束。实验证明了生成的二维艾里光束具有自愈特性。光学力的定量分析表明，产生的二维艾里光束即使被阻挡也能稳定地捕获和驱动粒子。此外，我们还介绍了一种通过叠加四个旋转的二维艾里光束来构建阵列艾里光束的策略，并证明了它们的自修复特性。我们的工作推进了艾里光束在光镊中的应用，并突出了它们在光学、生物和大气科学中的潜力。

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

IEEE Photonics Technology Letters 工程技术-工程：电子与电气

CiteScore

5.00

自引率

3.80%

发文量

404

审稿时长

2.0 months

期刊介绍： IEEE Photonics Technology Letters addresses all aspects of the IEEE Photonics Society Constitutional Field of Interest with emphasis on photonic/lightwave components and applications, laser physics and systems and laser/electro-optics technology. Examples of subject areas for the above areas of concentration are integrated optic and optoelectronic devices, high-power laser arrays (e.g. diode, CO2), free electron lasers, solid, state lasers, laser materials'' interactions and femtosecond laser techniques. The letters journal publishes engineering, applied physics and physics oriented papers. Emphasis is on rapid publication of timely manuscripts. A goal is to provide a focal point of quality engineering-oriented papers in the electro-optics field not found in other rapid-publication journals.