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arXiv 0705.2529physics.optics
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$ω_{pl}$频率下金属-介质界面上的表面波

Surface waves on metal-dielectric boundaries on the frequency of $ω_{pl}$

V. S. Zuev, H. Ya. Zueva

摘要:

研究了不同形状的金属-电介质界面上的表面光学等离子体激元。本研究的特点是探索了频率大于$ω_{pl}/\sqrt{2}$且近似等于$ω_{pl}$的等离子体激元。这些等离子体存在于薄膜、薄圆柱体和球体上。这样的等离子体激元不存在于单个表面上。对于应用,使用~ $ω_{pl}$频率的等离子体意味着将纳米光子器件提升到短波长范围。对于Ag,这意味着提升到140 nm的波长。

英文摘要:

Surface optical plasmons on metal-dielectric boundaries of various shapes are studied. The study features by the exploration of plasmons of the frequency that is larger than $ω_{pl}/\sqrt{2}$ and approximately equal to $ω_{pl}$. These plasmons exist on thin films, thin cylinders, and on spheres. Such a plasmon does not exist on a single surface. For applications the use of plasmons of the ~$ω_{pl}$ frequency means the promotion of nanophotonics devices into a short wavelength range. For Ag this means the promotion to the wavelength of 140 nm.

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