Abstract

部分相干结构光束具有抗湍流闪烁和抑制散斑等特性,在大气传输和成像等领域具有广泛的应用潜力。提出并展示了基于随机光纤激光器产生的部分相干多奇点涡旋光束。对不同拓扑荷数涡旋光束的相干叠加进行仿真研究,发现叠加过程可产生具有多个奇点的复杂相位分布。采用中心波长为1081.3 nm的随机光纤激光器作为照明光源,通过搭建空间干涉环路实现多奇点涡旋光束的产生。奇点数目可通过改变参与干涉的涡旋拓扑荷数来实现灵活调控。该工作有望为多粒子控制、涡旋光通信、光学计算和成像等领域提供重要参考。

Keywords:
Materials science

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Citation History

Topics

Random lasers and scattering media
Physical Sciences →  Physics and Astronomy →  Acoustics and Ultrasonics
Orbital Angular Momentum in Optics
Physical Sciences →  Physics and Astronomy →  Atomic and Molecular Physics, and Optics
Computer Graphics and Visualization Techniques
Physical Sciences →  Computer Science →  Computer Graphics and Computer-Aided Design

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