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Impact of Non-Zero Effective Surface Sources on Negative Index Perfect Lenses

机译：非零有效表面光源对负折射率完美镜片的影响

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The widely accepted theoretical treatment of the electromagnetic boundary problem of evanescent wave refraction at an interface between a normal medium of and an ideal negative index medium of seems to predict that the negative index of refraction would result in perfect lenses. The treatment, however, disregards the effects of non-zero surface potentials due to the nonlocal nature of surface optics at the microscopic level, and is self-inconsistent. This paper proposed to capture the microscopic non-zero surface potentials by introducing the macroscopic electromagnetic description non-zero effective surface current and charge densities at the interface. This treatment provides a self-consistent solution to the aforementioned electromagnetic boundary problem by finding the effective surface current and charge distributions, and after which solving the refracted and reflected fields analytically using Green's function method. The self-consistent solution yielded a transmission coefficient of 1 and reflection coefficient of 0 for all evanescent waves at this special interface, making it impossible for resonant amplification of those waves to occur.
机译：在的正常介质与理想的负折射率介质之间的界面处，van逝波折射的电磁边界问题的理论处理得到了广泛接受，这似乎预示着负折射率将产生完美的镜片。然而，由于在微观层面上表面光学器件的非局部性质，该处理忽略了非零表面电位的影响，并且是自相矛盾的。本文提出通过在界面上引入宏观电磁描述非零有效表面电流和电荷密度来捕获微观非零表面电势。通过找到有效的表面电流和电荷分布，此处理为上述电磁边界问题提供了一个自洽的解决方案，然后使用格林函数方法解析地求解了折射场和反射场。自洽解决方案在此特殊界面处产生的所有e逝波的透射系数为1，反射系数为0，这使得这些波的共振放大不可能发生。

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