从周期性穿孔的介质板发出的平面波的散射

2013 International Conference on Advanced Optoelectronics and Lasers (CAOL 2013) Pub Date : 2013-11-07 DOI:10.1109/CAOL.2013.6657520

V. O. Byelobrov, T. Benson

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引用次数: 0

摘要

在平面波照射下，由相同介质或金属圆柱体或条构成的无限光栅在瑞利异常附近具有高质量的光学共振[1-16]。这些共振存在于任何周期二维结构中，当光栅周期变大时，它们的q因子增加，具有显著的特性。此外，在这种共振中，高强度散射场沿光栅占据了很宽的区域。在本文中，我们研究了一种结构，其中我们有一个介电板和一个无限光栅的空气孔在其内部。这种结构更接近于纳米光学和微光学的实际应用，并且我们的研究表明存在具有复杂行为的光栅共振。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Scattering of the plane wave from a periodically perforated dielectric slab

An infinite grating of identical dielectric or metal cylinders or strips illuminated by a plane wave has high-quality optical resonances near the Rayleigh anomalies [1-16]. These resonances are present for any periodic 2-D structures and have striking properties as their Q-factors increase if the grating period becomes larger. Besides, in such a resonance the domain of high-intensity scattered field occupies a very wide domain along the grating. In this paper we investigate a configuration where we have a dielectric slab and an infinite grating of air holes inside it. This structure is closer to practical applications in nano and micro-optics and our study shows the presence of the grating resonances having complicated behaviour.

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2013 International Conference on Advanced Optoelectronics and Lasers (CAOL 2013)

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