Multi-focusing metalenses based on quadrangular frustum pyramid-shaped nanoantennas
Section snippets
Declaration of Competing Interest
The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
Acknowledgments
This work was supported in part by the National Natural Science Foundation of China (11811530052), Intergovernmental Science and Technology Regular Meeting Exchange Project of Ministry of Science and Technology of China (CB02-20), Open Fund of State Key Laboratory of Applied Optics (SKLAO2020001A04), and Graduate Research and Innovation Projects of Jiangsu Province (SJCX20_0763).
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