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Analysis of channel plasmon-polariton nanoantennas based on a meshless boundary integral equation approach

机译:基于无网格边界积分方程的信道等离子体激元纳米天线分析

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The optical near field of subwavelength grooves milled in metal surfaces is investigated and channel plasmon polariton nanoantennas are analyzed with a Spectral Boundary Integral Equation approach. Due to an extensive use of semi-analytical meshless procedures the numerical simulation tool guaranties the solution with high accuracy and reduced complexity. The results indicate a strong field enhancement inside the groove and a pronounced dependence of the antenna characteristics on the groove geometry.
机译:研究了在金属表面铣削的亚波长凹槽的光学近场,并使用光谱边界积分方程方法分析了通道等离激元极化纳米天线。由于半分析无网格程序的广泛使用,因此数值模拟工具可确保解决方案具有高精度和降低的复杂性。结果表明,凹槽内部的场强增强,并且天线特性对凹槽几何形状的依赖性显着。

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