摘要
提出了一种可以通过反射同时实现2种不同极化形式的极化转换超表面.仿真结果表明,该超表面在频带范围14.21~16.70 GHz内可以实现比较理想的线-圆极化波的转换,并且可以在近5 GHz的频带范围(25.50~30.42 GHz)内实现线-交叉极化波的转换,且极化转换率的均值高达97%左右.该极化转换超表面在毫米波雷达、天线设计等军事领域具有广泛的应用价值.
A polarization conversion metasurface is proposed which realizes two different polarization types through reflection.Simulation results show that the metasurface can achieve an ideal linear-circular polarization conversion in the frequency band 14.21-16.70 GHz.In the 5 GHz frequency band(25.50〜30.42 GHz),the linear-cross polarization conversion can also be achieved,and the average value of polarization conversion rate is about 97%.The polarization-conversion metasurface has wide application in the fields of millimeter-wave radar and antenna design.
作者
林小芳
张旭
孟祥辉
LIN Xiaofang;ZHANG Xu;MENG Xianghui(School of Physics and Engineering,Qufu Normal University,Qufu 273165,China;Shanghai Key Laboratory of Special Artificial Microstructure Materials and Technology,Shanghai 200092,China)
出处
《高师理科学刊》
2020年第6期36-40,共5页
Journal of Science of Teachers＇College and University
关键词
超表面
线-圆极化转换
线-交叉极化转换
metasurface
linear-circular polarization conversion
linear-cross polarization conversion
