We present a Luneberg-like cylindrical lens antenna experimentally using metamaterials.The cylindrical lens antenna with a broad bandwidth is made up of the non-resonant I-shaped metamaterial structures.The near-field...We present a Luneberg-like cylindrical lens antenna experimentally using metamaterials.The cylindrical lens antenna with a broad bandwidth is made up of the non-resonant I-shaped metamaterial structures.The near-field distributions of the metamaterial lens antenna are measured using a two-dimensional near-field microwave scanning apparatus,and agree well with the simulation results.The far-field radiation patterns of the antenna are also presented to show the high-gain performance in the broad bandwidth.展开更多
基金supported in part by the Natural Science Foundation of Jiangsu Province (BK2008031)National Basic Research Program of China (2004CB719802)+1 种基金"111" Project (111-2-05)National Natural Science Foundation of China (60871016,60671015,and 60621002)
文摘We present a Luneberg-like cylindrical lens antenna experimentally using metamaterials.The cylindrical lens antenna with a broad bandwidth is made up of the non-resonant I-shaped metamaterial structures.The near-field distributions of the metamaterial lens antenna are measured using a two-dimensional near-field microwave scanning apparatus,and agree well with the simulation results.The far-field radiation patterns of the antenna are also presented to show the high-gain performance in the broad bandwidth.
