局域表面等离子体引起的光波传输

2007 International Conference on Numerical Simulation of Optoelectronic Devices Pub Date : 2007-10-15 DOI:10.1109/NUSOD.2007.4349008

S.C. Chen, K. Chiu, D. Tsai

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引用次数: 0

摘要

波纹金属薄膜可以在表面等离子体的辅助下增强发光器件的发射。但在远离谐振频率处，金属薄膜对传输有屏蔽作用。我们用不连续的金属纳米结构取代波纹薄膜，分离的金属纳米半球可以诱导局部表面等离子体激元。研究了两种不同波长的角依赖性。即使不满足共振条件，局域表面等离子体也可以降低介质层上的反射，提高透射率。散射的Ey分量对倾斜角度很敏感，可以用于一些新的应用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Optical Waves Transmission Raised by Localized Surface Plasmons

A corrugated metal thin film can enhance the emission of light-emitting devices by the assistance of radiative surface plasmons. But, away from the resonant frequency, the metal thin film has a shielding effect on transmission. We replace the corrugated thin film by a discontinuous metal nanostructure, the isolated metal nanohemispheres can induce localized surface plasmons. The angular dependence and two different wavelengths are studied. The reflection on dielectric layers may be reduced and the transmission could be raised by the localized surface plasmons even the resonance condition is not fulfilled. The scattered Ey component is sensitive to the tilt angle, it might be useful to some novel applications.

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2007 International Conference on Numerical Simulation of Optoelectronic Devices

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