用超局域等离子体共振限制光

2015 9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS) Pub Date : 2015-12-03 DOI:10.1109/METAMATERIALS.2015.7342529

M. Gorkunov, B. Sturman, E. Podivilov

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引用次数: 0

摘要

我们研究了在曲率半径尺度上具有支持等离子体共振超局域化的尖锐角形和尖形表面扰动的金属纳米粒子的等离子体性质。我们揭示了采用纳米天线等粒子的条件，这种粒子可以精确地将自由空间光耦合到微扰顶点附近的纳米尺寸体积上，光场增强了几个数量级。

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Confining light with superlocalized plasmon resonances

We study plasmonic properties of metal nanoparticles with sharp corner- and tip-shaped surface perturbations supporting plasmon resonances superlocalized on the scale of the curvature radius. We reveal the conditions for employing such particles as nano-antennas that precisely couple the free-space light to the nanosize volumes near the perturbation apexes with the light fields enhanced by several orders of magnitudes.

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2015 9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS)

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