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Substrate Dependence of Surface Plasmon Resonance Frequency of Silver Island Films

机译:银岛薄膜表面等离子体共振频率的基底依赖性

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摘要

A simple method was demonstrated to tune surface plasmon resonance wavelength of silver island films by introducing an underlayer. The tunability can be much enhanced by varying the underlayer medium. In combination with the size effects of metallic islands the plasmon wavelength can be readily adjusted throughout the visible spectral regions. The experimental results were interpreted based on a generalized Maxwell-Garnett theory.
机译:通过引入底层,证明了一种简单的方法来调节银岛膜的表面等离子体共振波长。通过改变底层介质可以大大提高可调谐性。结合金属岛的尺寸效应,可以在整个可见光谱区域轻松调节等离激元波长。基于广义的麦克斯韦-加纳特理论解释了实验结果。

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