由人工阻抗面组成的宽带平面吕尼堡透镜

2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2015-07-01 DOI:10.1109/IMWS-AMP.2015.7324989

Hao Yu, Xumin Ding, Kuang Zhang, Yu-Ming Wu, Qun Wu

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引用次数: 1

摘要

提出了一种基于人工阻抗面(AIS)的二维吕讷堡透镜。利用互补单极紧凑型光子带隙(UC-PBG)结构阵列在平行板波导内获得的可变表面阻抗控制折射率分布。仿真结果表明，所提出的lueburg透镜在x波段工作在TM模式下，具有良好的聚焦能力。所提出的鲁讷堡透镜可用于到达方向估计。估计误差小于5°。

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Broadband planar Luneburg lens composed of artificial impedance surfaces

A two-dimensional Luneburg lens is presented based on artificial impendence surfaces (AIS). The desired refractive index profile is controlled by the variable surface impendence, which obtained by using an array of complementary unipolar compact photonic band gap (UC-PBG) structure inside a parallel plate waveguide. Simulation results have shown that proposed Luneburg lens, which operating in TM mode during X-band, has an excellent focusing ability. The proposed Luneburg lens can be used in direction of arrival (DOA) estimation. The estimation error is smaller than 5°.

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来源期刊

2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)

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