Controlling rejections of spoof surface plasmon polaritons using metamaterial particles
作者： Bai Cao Pan , Zhen Liao , Jie Zhao , Tie Jun Cui
DOI: 10.1364/OE.22.013940
关键词:
摘要: Based on the dispersion relation, surface plasmon polaritons (SPPs) or spoof SPPs are always propagating surface waves when the operating frequency is below the asymptotic limit–the surface plasma frequency. Here we propose a method to control the rejections of spoof SPPs using metamaterial particles. By introducing electrically resonant metamaterials near an ultrathin corrugated metallic strip–the spoof SPP waveguide–to produce tight coupling and mismatch of surface impedance, we show that the SPP modes are rejected …
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