含亚波长孔阵列的铬膜中Brewster-Zennek模辅助的光传输
Light transmission assisted by Brewster-Zennek modes in chromium films carrying a subwavelength hole array
摘要：
这项工作证实，不仅表面等离子体激元，但许多其他种类的电磁本征模应被视为在解释的值的透射率通过一个平板轴承的二维周期性周期性的。具体地说，布鲁斯特Zennek模式出现在金属薄膜表现出弱的正介电常数的区域中的作用。研究表明，在适当的晶格参数下，这些模式在铬薄膜的光传输中起着重要的作用。
英文摘要：
This work confirms that not only surface plasmons but many other kinds of electromagnetic eigenmodes should be considered in explaining the values of the transmittivity through a slab bearing a two-dimensional periodic corrugation. Specifically, the role of Brewster-Zennek modes appearing in metallic films exhibiting regions of weak positive dielectric constant. It is proposed that these modes play a significant role in the light transmission in a thin chromium film perforated with normal cylindrical holes, for appropriate lattice parameters.
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