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A large-area hybrid metallic nanostructure array and its optical properties

机译:大面积杂化金属纳米结构阵列及其光学性质

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摘要

A process for fabricating a large-area hybrid metallic nanostructure array is presented. The structures consist of an array of metal capped dielectric nanopillars and an array of metallic holes, each possessing its individual optical properties. The plasmon response of such structures can be viewed as the collection of plasmons from two geometries to form an interacting system. Experimental results show two peak values in the extinction spectrum for p-polarized incident light. The two peaks in the extinction spectrum were shifted to longer wavelength and shorter wavelength respectively with the addition of absolute ethanol on the structure surface. The narrowest extinction peak appears at normal incidence.
机译:提出了一种制造大面积混合金属纳米结构阵列的方法。该结构由一组金属盖的电介质纳米柱和一组金属孔组成,每个孔都有其各自的光学特性。这种结构的等离激元响应可以看作是来自两个几何结构的等离激元的集合,形成一个相互作用的系统。实验结果表明,p偏振入射光的消光光谱中有两个峰值。在结构表面上添加无水乙醇后,消光光谱中的两个峰分别移至较长波长和较短波长。最窄的消光峰出现在法线入射处。

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