交叉丝网宽带负折射
Broadband Negative Refraction with a Crossed Wire Mesh
摘要：
它表明，由非连接的交叉金属线形成的结构材料可以使负折射在很宽的频率范围内。这种现象是材料的反常色散特性的结果，特别是等效线轮廓是双曲线的事实。这些性质依赖于交叉丝网的非局部响应，并建立了一个不同的范例，获得负折射没有左手材料。
英文摘要：
It is demonstrated that a structured material formed by nonconnected crossed metallic wires may enable negative refraction over a wide frequency range. This phenomenon is a consequence of the anomalous dispersion characteristics of the material, particularly of the fact that the isofrequency contours are hyperbolic. These properties rely on the nonlocal response of the crossed wire mesh, and establish a different paradigm for obtaining negative refraction without left-handed materials.
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