双各向异性超材料的有效参数反演法
Experimental Retrieval of the Effective Parameters of Bi-Anisotropic Metamaterials

作者: 王赛赛 * , 杭志宏 :苏州大学物理与光电•能源学部,苏州纳米科技协同创新中心,江苏 苏州;

关键词: 超材料有效参数反演散射矩阵Metamaterial Effective Parameter Retrieval Scattering Matrix

摘要:
为了实现各种有趣的应用,获得由微结构组成的超材料的有效参数是十分必要的。这个工作提出了一个双各向异性超材料16个有效参数反演的实验方法。我们从理论上提出了有效参数和散射矩阵之间的联系,并完成了散射矩阵的实验测量。我们也通过十字形结构和万字形结构证明了这种反演方法的有效性。相比之前的实验反演方法,我们所提出的方法更具普适性,可以用于任何平面结构。

Abstract: In order to realize various intriguing applications by metamaterials, it is essential to obtain the effective parameters of the micro-structures composing metamaterials. In this paper, we propose an experimental method to retrieve all of the 16 effective parameters of planar bi-anisotropic metamaterials. The relationship between the scattering matrix and the effective parameters is theoretically proposed and the experimental measurement for the scattering matrix is accomplished. We also show the validity of our retrieval method using two microstructures: the cross and the “wan” shaped microstructures. Compared with previous proposed experimental retrieval methods, our experimental method is more universal and can be applicable to any planar structures.

文章引用: 王赛赛 , 杭志宏 (2016) 双各向异性超材料的有效参数反演法。 应用物理, 6, 43-53. doi: 10.12677/APP.2016.64007

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