极化(电化学)
光学
谐振器
物理
横截面
微波食品加热
线极化
偏振旋转器
轴比
材料科学
圆极化
化学
微带线
双折射
工程类
物理化学
结构工程
激光器
量子力学
作者
Syeda Aisha,Muhammad Ismail Khan,Yixiao Chen,Bin Hu,Imdad Khan
摘要
A linear polarization converting chiral metasurface with asymmetric transmission is designed, analyzed, and characterized experimentally for operation in the Ku band of the microwave frequency regime. The proposed structure consists of two metasurface layers of asymmetric square-shaped unit cells with quarter moon polygon split-ring resonators. By breaking certain symmetries of the chiral structure, the proposed structure achieves efficient asymmetric transmission with the asymmetric transmission parameter of more than 80% and a polarization conversion ratio of more than 90% for 13.87–16.04 GHz. Moreover, the proposed structure gives a stable response to the variations in the incidence angle up to 45° both for transverse-electric and transverse-magnetic polarizations. The high efficiency for both asymmetric transmission and polarization conversion, wide bandwidth, and angular stability qualify the proposed design for numerous microwave applications.
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