期刊
CHINESE PHYSICS B
卷 31, 期 5, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/1674-1056/ac46c0
关键词
Fourier convolution operation metasurface; terahertz wave; flexible manipulation
资金
- National Natural Science Foundation of China [61871355, 61831012]
- Talent Project of Zhejiang Provincial Department of Science and Technology [2018R52043]
- Research Funds for Universities of Zhejiang Province, China [2020YW20, 2021YW86]
The novel metasurface based on a combined pattern of outer C-shaped ring and inner rectangular ring can flexible manipulate terahertz waves and has various functionalities such as beam splitting and wave deflection.
We propose a novel metasurface based on a combined pattern of outer C-shaped ring and inner rectangular ring. By Fourier convolution operation to generating different predesigned sequences of metasurfaces, we realize various functionalities to flexible manipulate terahertz waves including vortex terahertz beam splitting, anomalous vortex terahertz wave deflection, vortex terahertz wave splitting and deflection simultaneously. The incident terahertz wave can be flexibly controlled in a single metasurface. The designed metasurface has an extensive application prospect in the field of future terahertz communication and sensing.
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