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Fabry-Perot-like resonances in the E-polarized electromagnetic plane wave scattering and absorption by a thin dielectric strip

机译:E极化电磁平面波在薄电介质带中的散射和吸收中类似于Fabry-Perot的共振

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We analyze numerically the E-polarized plane wave scattering and absorption characteristics of a stand-alone thin dielectric strip in free space. The main feature demonstrated by these quantities is the presence of intensive Fabry-Perot-like resonances. They are caused by the reflections of the guided mode of associated thin dielectric slab from the endpoints. We also compare several types of the generalized boundary conditions (GBCs) imposed on the strip median line. Our analysis is based on the Nystrom-type discretization of the relevant singular and hyper-singular integral equations (IEs) and the use of special quadrature formulas of interpolation type that guarantee convergence and accuracy of computations.
机译:我们从数值上分析了独立薄电介质带在自由空间中的电子偏振平面波散射和吸收特性。这些数量所显示的主要特征是存在强烈的Fabry-Perot样共振。它们是由相关的薄介电板的引导模式从端点的反射引起的。我们还比较了施加在带状中线上的几种类型的广义边界条件(GBC)。我们的分析基于相关奇异和超奇异积分方程(IE)的Nystrom型离散化,以及使用插值类型的特殊正交公式来保证计算的收敛性和准确性。

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