Control of orbital angular momentum of optical vortex beams with complex wandering perturbations

被引：1

作者：

LI, Yan-song ^{[1
]}

Chen, J. U. N. ^{[1
]}

Fu, Gang-kun ^{[1
]}

DU, Hao-bo ^{[1
]}

Wang, Hai-long ^{[1
]}

Shi, Y. A. N. ^{[1
]}

Zhao, Chun-liu ^{[1
]}

Jin, Shang-zhong ^{[1
]}

机构：

[1] China Jiliang Univ, Coll Opt & Elect Technol, Hangzhou 310018, Peoples R China

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 2022年 / 39卷 / 09期

关键词：

PROPAGATION; GENERATION; COHERENCE; VORTICES; SPECTRUM; LIGHT;

D O I：

10.1364/JOSAA.463298

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

This work investigates how independent perturbations and cross-correlation perturbations affect optical vortex beams. Theoretical and experimental results show that both perturbations cause the intensity, average orbital angular momentum (OAM), and the OAM spectrum of the vortex beam to vary periodically with the perturbation direction, but with different periods. When the beam is subjected to independent perturbations, the average OAM changes periodically with theta in every pi /2; when the beam is subjected to cross-correlation perturbations, the average OAM varies with theta in every pi. The results of this work provide a method to control the OAM and regulate low-coherence vortex beams in turbulent environments. (C) 2022 Optica Publishing Group

引用

页码：1533 / 1539

页数：7

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