应用物理  >> Vol. 2 No. 1 (January 2012)

各向异性人工媒质中的Goos-Hänchen相移
Goos-Hänchen Shift from an Anisotropic Metamaterial Slab

DOI: 10.12677/app.2012.21005, PDF, HTML, 下载: 3,337  浏览: 11,173 

作者: 夏丽娟, 余观夏

关键词: 各向异性人工媒质Goos-Hänchen相移耗散
Anisotroptic; Metamaterial; Goos-Hänchen Shift; Lossy

摘要: 本文从理论上探讨了各向异性的人工媒介与空气界面的Goos-Hänchen相移,然后通过数值计算证实了理论的分析结果。再研究了人工媒质的耗散对Goos-Hänchen相移的影响。Goos-Hänchen相移的符号和大小取决于不同的电磁参数、入射角以及各向异性人工介质板的厚度。同时不同于无耗散的各向异性的介质板,在弱耗散的情况下,耗散对横向的相移产生了很大的影响,在一定的条件下,介质弱耗散可以产生很大的影响。这种特殊的现象可应用于光学装置设计中。
Abstract: The Goos-Hänchen shift (the lateral shift) has been investigated from the anisotropic metamaterial slab theoretically and numerically. The sign and degree of the shift can be determined by the choices of the electromagnetic parameters and thicknesses of slab, which is different from the case of the isotropic media. We also find that the weak lossy may produce large positive or negative lateral shift. This special phenomenon can apply to some optical device design.

文章引用: 夏丽娟, 余观夏. 各向异性人工媒质中的Goos-Hänchen相移[J]. 应用物理, 2012, 2(1): 28-33. http://dx.doi.org/10.12677/app.2012.21005

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