Dispersion of Surface Plasmon Polaritons on a Metallic Grating

I-Tan Lin,Yi-Ping Lai,Chunru Fan,Jia-Ming Liu

IEEE Journal of Selected Topics in Quantum Electronics（2016）

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摘要

The dispersion characteristics of surface plasmon polaritons (SPPs) and spoof SPPs of metallic grating are studied. Inside the light cone, the SPP modes are unbound and its energy decays in a form of outgoing propagation waves, whereas outside the light cone the SPP modes are bound with energy confined on the surfaces. The dispersion characteristics of both unbound and bound modes are derived usin...

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关键词

Gratings,Dispersion,Optical surface waves,Plasmons,Surface waves,Permittivity,Optical waveguides

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