聚焦（投影）过程中薄金属层作为工具的特性
Properties of a thin metal layer as a tool in focusing (projecting) procedure
摘要：
研究了薄金属层空间中的倏逝波场。渐逝波的波数超过相邻间隙中均匀平面波的波数的许多倍。与2000年Pendry论文的结果一致，与没有金属层的场相比，金属层后面的场被放大。Pendry已经证明了介电常数为-1对金属的影响。在本文中，它是存在的效果的介电常数为-15和任意厚度的相邻的间隙。这扩大了可能的应用程序的数量。金属损耗不会明显破坏这种效果。
英文摘要：
The field of an evanescent wave in a space with a thin metal layer is explored. The wave number of the evanescent wave exceeds many times the wave number of a uniform plane wave in adjoining gaps. In agreement with the results of the Pendry's paper of the 2000 year the field behind the metal layer occurs to be amplified as compared to the field in absence of the metal layer. Pendry has demonstrated the effect for the metal of the dielectric constant of -1. In this paper it is shown that the effect exists for the dielectric constant of -15 and for an arbitrary thickness of the adjoining gaps. This widens the number of possible applications. The metal losses do not destoy the effect appreciably.
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