多层结构的透射函数特性：在超分辨率中的应用
Transmission function properties for multi-layered structures: Application to super-resolution
摘要：
我们讨论了一般多层结构的k空间中的传输函数的性质。特别是，我们分析表明，透射率大于一个在倏逝光谱（放大的倏逝模式）可以直接链接到由结构支持的导模。此外，我们表明，在传播光谱中的传输函数的相位的斜率是成反比的结构的能力，以补偿传播模式的衍射。我们应用这些研究结果来讨论几个例子，其中超分辨率是由于同时可用性的放大的消逝模式和衍射补偿的传播模式。
英文摘要：
We discuss the properties of the transmission function in the k-space for a generic multi-layered structure. In particular we analytically demonstrate that a transmission greater than one in the evanescent spectrum (amplification of the evanescent modes) can be directly linked to the guided modes supported by the structure. Moreover we show that the slope of the phase of the transmission function in the propagating spectrum is inversely proportional to the ability of the structure to compensate the diffraction of the propagating modes. We apply these findings to discuss several examples where super-resolution is achieved thanks to the simultaneous availability of the amplification of the evanescent modes and the diffraction compensation of the propagating modes.
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