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通过设计合适的纳米表面等离子结构,纳米光学等离子晶体具有光场增强效应,能调控近场范围内的光场分布,可用来设计新型的纳米光子学器件。介绍了纳米光学等离子晶体的原理、结构特点、制作工艺和纳米光子学器件的设计方法,对纳米光学等离子晶体和普通光子晶体做了比较。归纳了纳米光学等离子晶体的物理机制、光学特征,描述并分析了波长选择性场增强效应和束流效应等。给出几种基于纳米光学等离子晶体的纳米光子学器件应用实例。
By designing a suitable nanosurface plasma structure, the nano-optical plasma crystal has the optical field enhancement effect and can regulate the light field distribution in the near field and can be used to design a novel nano-photonic device. The principle, structural characteristics, fabrication process and design method of nano-photonic devices are introduced. The comparison between nano-optical plasma crystals and ordinary photonic crystals is made. The physical mechanism and optical characteristics of nano-optical plasma crystals are summarized. Wavelength selective field enhancement and beam effects are described and analyzed. Several examples of nanophotonic devices based on nanocrystalline optical plasmas are given.