Multi-focusing metalenses based on quadrangular frustum pyramid-shaped nanoantennas

doi:10.1016/j.photonics.2021.100957

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	Multi-focusing metalenses based on quadrangular frustum pyramid-shaped nanoantennas
	S. Zhao; Y. Wang; Z.-D. Hu; A. Balmakou; S. Khakhomov; I. Semchenko and J. Wang
	2021
发表期刊	Photonics and Nanostructures - Fundamentals and Applications
ISSN	15694410
卷号	46
摘要	This paper presents ultrathin multi-focusing metalenses that can produce several independent focusing spots, useful in imaging for light flow redistribution, even asymmetrical into many focal spots. The proposed design includes quadrangular frustum pyramids serving as individually tuned nanoantennas; their structure can be modified, facilitating wave-phase retardation tuning. Combining the propagation phase control with the PancharatnamBerry phase principle allows the screening of various cell structures. The specific design of the unit-cell structures makes the metalenses capable of single- and double-focusing at the required focal length. Thus, this metalens design might help in developing precision optics for micro-object manipulation. Data Availability: The data that support the findings of this study are available from the corresponding author upon reasonable request. 2021 Elsevier B.V.
DOI	10.1016/j.photonics.2021.100957
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收录类别	EI
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/65439
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	S. Zhao,Y. Wang,Z.-D. Hu,et al. Multi-focusing metalenses based on quadrangular frustum pyramid-shaped nanoantennas[J]. Photonics and Nanostructures - Fundamentals and Applications,2021,46.
APA	S. Zhao,Y. Wang,Z.-D. Hu,A. Balmakou,S. Khakhomov,&I. Semchenko and J. Wang.(2021).Multi-focusing metalenses based on quadrangular frustum pyramid-shaped nanoantennas.Photonics and Nanostructures - Fundamentals and Applications,46.
MLA	S. Zhao,et al."Multi-focusing metalenses based on quadrangular frustum pyramid-shaped nanoantennas".Photonics and Nanostructures - Fundamentals and Applications 46(2021).

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