High-performance lens antenna using high refractive index metamaterials Project supported by the National Natural Science Foundation of China (Grant Nos. 61761010 and 61461016), in part by the Natural Science Foundation of Guangxi Zhuang Autonomous Region, China (Grant No. 2015jjBB7002), in part by the Guangxi Key Laboratory of Wireless Wideband Communication and Signal Processing, and in part by the Innovation Project of GUET Graduate Education (Grant No. 2018JCX24). |
(color online) Comparison of retrieved effective permittivity, effective permeability, effective refractive index, and figure of merit for the proposed BSP and BSR: (a) Effective permittivity, (b) effective permeability, (c) effective refractive index, and (d) figure of merit. |