High performance reflective microwave split-square-ring metasurface vortex beam generator

doi:10.1016/j.optcom.2021.127631

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	High performance reflective microwave split-square-ring metasurface vortex beam generator
	K. X. Cheng; Z. D. Hu; X. L. Kong; X. P. Shen and J. C. Wang
	2022
发表期刊	Optics Communications
ISSN	0030-4018
卷号	507 页码:8
摘要	The creation of vortex beams becomes increasingly important in microwave region for their potential applications in high-capacity multiplexed wireless communication systems. In this paper, we propose a kind of split-square-ring metasurface for generating microwave vortex beams at 16 GHz. We first analyze the S-parameter of the meta-atoms and then optimize and pick up 8 units which can cover 2 pi phase shift for the whole array design. Four metasurfaces carrying topological charges from 1 to 4 are, respectively, designed, and full-wave simulation is utilized for evaluating the near-field performance. The orbital angular momentum purity for each topological charge is calculated. Meanwhile, the far-field property has also been simulated and measured, and the simulation results agree well with those in experiments. Our metasurface device provides a flexible way for generating high-quality vortex beams in the microwave region.
DOI	10.1016/j.optcom.2021.127631
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收录类别	sci ; ei
语种	英语
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/66708
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	K. X. Cheng,Z. D. Hu,X. L. Kong,et al. High performance reflective microwave split-square-ring metasurface vortex beam generator[J]. Optics Communications,2022,507:8.
APA	K. X. Cheng,Z. D. Hu,X. L. Kong,&X. P. Shen and J. C. Wang.(2022).High performance reflective microwave split-square-ring metasurface vortex beam generator.Optics Communications,507,8.
MLA	K. X. Cheng,et al."High performance reflective microwave split-square-ring metasurface vortex beam generator".Optics Communications 507(2022):8.

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