开介质波导的模基法

2008 12th International Conference on Mathematical Methods in Electromagnetic Theory Pub Date : 2008-07-29 DOI:10.1109/MMET.2008.4581005

M. Legenkiy, A. Butrym

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引用次数: 0

摘要

本文考虑了模式基法在开介质波导情况下的推广。以具有介电层的矩形波导为例，分析了其中一壁向无限远处移动时的光谱凝聚现象。此时，频谱被划分为离散(表面波)和连续(体波)部分。分析了这种冷凝的一些特性。用数值方法说明了这种非均匀谱上的场展开。

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Mode basis method for open dielectric waveguides

The paper considers generalization of Mode Basis Method on the case of open dielectric waveguides. Spectrum condensing was analyzed on the example of a rectangular waveguide with a dielectric layer when one of the walls is moved to infinity. At this the spectrum is partitioned into discrete (surface waves) and continuous (volume waves) parts. Some properties of this condensing were analyzed. Field expansion on such a nonuniform spectrum was illustrated numerically.

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2008 12th International Conference on Mathematical Methods in Electromagnetic Theory

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