三维各向同性透射线透镜的亚波长分辨率
Subwavelength resolution with three-dimensional isotropic transmission-line lenses
摘要：
研究了一种各向同性三维平面透镜（“超透镜”）的色散、阻抗匹配和分辨率特性。该透镜基于互连传输线和大容量负载的立方体网格。我们研究了一种基于微带技术的透镜的实际实现。色散方程，以前已经推导出，与全波模拟进行了验证。分析和仿真结果验证了该结构的各向同性。解析地研究了一种实际可实现的有耗透镜的分辨率特性。
英文摘要：
Dispersion, impedance matching and resolution characteristics of an isotropic three-dimensional flat lens ("superlens") are studied. The lens is based on cubic meshes of interconnected transmission lines and bulk loads. We study a practical realization of the lens, based on the microstrip technology. The dispersion equations that have been previously derived, are verified with full-wave simulations. The isotropy of the structure is verified with analytical as well as simulation results. The resolution characteristics of a practically realizable, lossy lens are studied analytically.
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