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arXiv physics/0606174physics.optics
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楔形截面金属波导的纳米等离子体激元模

Nano plasmon polariton modes of a wedge cross section metal waveguide

Eyal Feigenbaum, Meir Orenstein

摘要:

光学等离子体激元极化激元模式被限制在两个横向尺寸,以显着小于波长的开放式波导结构的尖锐的金属楔。分析揭示了两个独特的模式对应的本地化模式的楔形点和表面模式的传播突然弯曲的接口。这些预测伴随着独特的场分布和色散特性。

英文摘要:

Optical plasmon-polariton modes confined in both transverse dimensions to significantly less than a wavelength are exhibited in open waveguides structured as sharp metal wedges. The analysis reveals two distinctive modes corresponding to a localized mode on the wedge point and surface mode propagation on the abruptly bent interface. These predictions are accompanied by unique field distributions and dispersion characteristics.

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