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首页> 外文期刊>Nanotechnology >Optical properties of ultrafine line and space polymeric nanogratings coated with metal and metal-dielectric-metal thin films
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Optical properties of ultrafine line and space polymeric nanogratings coated with metal and metal-dielectric-metal thin films

机译：涂有金属和金属-介电-金属薄膜的超细线和空间聚合物纳米光栅的光学性质

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摘要

Noble metal and metal-dielectric-metal ultrathin films were deposited on the surfaces of ultrafine polymeric nanogratings, which were fabricated using nanoimprint lithography. Experimental results showed dramatic differences of the surface morphologies for single metal and triple metal-dielectric-metal films deposited on flat and corrugated polymeric surfaces. The effect of the surface morphology on the optical properties was hence investigated and analyzed under linearly polarized light. The surface plasmon resonances of single metal and triple metal-dielectric-metal films deposited on polymeric nanograting surfaces were also characterized based on the Kretschmann prism-coupling method. The single metal and triple metal-dielectric-metal films deposited on polymeric nanograting surfaces are important for the study of photon-plasmon interactions (i.e. couplings and conversions) at the interfaces between a nanograting and metal films.
机译：贵金属和金属介电金属超薄膜沉积在超细聚合物纳米光栅的表面上，该纳米光栅是使用纳米压印光刻技术制造的。实验结果表明，沉积在平坦和波纹状聚合物表面上的单金属膜和三重金属-介电金属膜的表面形貌存在显着差异。因此，在线性偏振光下研究并分析了表面形态对光学性能的影响。基于Kretschmann棱镜耦合方法，还表征了沉积在聚合物纳米光栅表面上的单金属和三金属-介电金属膜的表面等离子体共振。沉积在聚合物纳米光栅表面上的单金属和三金属-介电金属薄膜对于研究纳米光栅和金属薄膜之间的界面上的光子-等离子体激元相互作用（即耦合和转化）非常重要。

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