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首页> 外文期刊>Journal of Electromagnetic Waves and Applications >Singular integral equations in diffraction problem by an infinite periodic strip grating with one strip removed
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Singular integral equations in diffraction problem by an infinite periodic strip grating with one strip removed

机译：无限周期带状光栅去除一个带的衍射问题中的奇异积分方程

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摘要

The H-polarized plane wave diffraction by the infinite periodic grating with removed strip is considered. In the formulation, the current induced on each strip is divided into two currents, the current on the infinite periodic strip grating and the correction current induced by the removal of a strip. The scattered field is inducted by these currents. The problem is reduced to the dual integral equations with respect to the unknown spectral function of the correction field, and then to the singular integral equation with additional conditions. The singular integral equation of infinite periodic grating is also presented. The near and far fields scattered by the grating are analyzed.
机译：考虑了无限周期光栅去除条纹后的H偏振平面波衍射。在该公式中，在每个条带上感应的电流分为两个电流，无限大的周期性条带光栅上的电流和通过去除条带而产生的校正电流。这些电流感应出散射场。关于校正场的未知谱函数，将问题简化为对偶积分方程，然后将条件简化为具有附加条件的奇异积分方程。给出了无限周期光栅的奇异积分方程。分析了由光栅散射的近场和远场。

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