Generation of the Anomalous Vortex Beam by Spiral Axicon Implemented on Spatial Light Modulator

被引：0
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作者：
Huang, Xiaoting [1 ]
Chang, Zehong [1 ]
Zhao, Yuanyuan [1 ]
Wang, Yunlong [1 ]
Zhu, Xindong [1 ]
Zhang, Pei [1 ]
机构：
[1] Ministry of Education Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Shaanxi Province Key Laboratory of Quantum Information and Quantum Optoelectronic Devices, School of Physics, Xi’an Jiaotong University, Xi’an, China
来源：
Frontiers in Physics | 2022年 / 10卷
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摘要：
The anomalous vortex beam (AVB), whose paraxial local topological charge varies with propagation, has potential applications in quantum information, laser beam shaping, and other fields. However, there are currently no efficient optical devices to generate AVBs. In this paper, we propose an efficient pure-phase device called spiral axicons. We theoretically analyze the spiral axicon, and then experimentally verify its performance by implementing a spiral axicon on spatial light modulator. Our work provides an alternative method for generating AVB, which will facilitate its application in different fields. Copyright © 2022 Huang, Chang, Zhao, Wang, Zhu and Zhang.
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