Generation of Microwave High-order OAM Vortex Beams Based on Excitation Diversity Reflective Metasurface

被引：0
|
作者：
Huo, Kaili [1 ]
Yang, Shuhui [1 ]
Fu, Zihao [1 ]
Liang, Jingjing [1 ]
Chu, Jiajie [1 ]
Yan, An [1 ]
Yu, Fan [1 ]
Zhang, Ruimin [1 ]
Wang, Yimeng [1 ]
机构：
[1] Commun Univ China, Dept Commun Engn, Beijing 100024, Peoples R China
来源：
2024 INTERNATIONAL CONFERENCE ON MICROWAVE AND MILLIMETER WAVE TECHNOLOGY, ICMMT | 2024年
关键词：
D O I：
10.1109/ICMMT61774.2024.10671778
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A reflective metasurface with excitation diversity is proposed to generate high-order orbital angular momentum (OAM) vortex beams. It is proved that the metasurface can generate OAM vortex beam with topological charge l=+/- 11 regardless of linearly polarized (LP) wave or circularly polarized (CP) wave excitation, the OAM purity can reach 0.8. In addition, the strategy that increasing the area of the metasurface can effectively improve the disorder of the phase center of the highorder OAM vortex beam has been verified by simulation analysis, and it can also improve the purity of the OAM vortex beam.
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页数：3
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