期刊
JOURNAL OF APPLIED PHYSICS
卷 122, 期 1, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4991505
关键词
-
资金
- National Natural Science Foundation of China [51402163, 61575028, 61574020, 61690195, 61605015]
An ultra-wideband polarization conversion metasurface based on S-shaped metallic structure is designed and prepared. The simulation results show that the polarization conversion bandwidth is 14 GHz for linearly polarized normally incident electromagnetic waves and the cross-polarized reflectance is more than 99% in the range of 10.3 GHz-20.5 GHz. On the premise of high reflection efficiency, the reflective phase can be regulated by changing the geometrical parameter of the S-shaped metallic structure. A phase gradient metasurface composed of six periodically arrayed S-shaped unit cells is proposed and further demonstrated both numerically and experimentally. The specular cross-polarization reflection of the phase gradient metasurface is below -10 dB, which shows a good performance on manipulating the direction of the reflected electromagnetic waves. Published by AIP Publishing.
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