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首页> 外文期刊>Optik: Zeitschrift fur Licht- und Elektronenoptik: = Journal for Light-and Electronoptic >Analysis of dispersion relation of the elliptical dielectric waveguides having M-type refractive index profile
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Analysis of dispersion relation of the elliptical dielectric waveguides having M-type refractive index profile

机译：具有M型折射率分布的椭圆形介质波导的色散关系分析

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摘要

The propagation of electromagnetic wave in elliptical waveguide having M-type refractive index profiles is investigated. The considered waveguide consists of an elliptical core which lies between inner cladding region and outer cladding region and it is known as annular waveguide. The possible modes for this structure are numerically calculated by solving a dispersion relation, which is expressed in terms of Mathieu functions. The finding results of this waveguide are compared with another similar waveguide having inner cladding regions filled with air. It is observed that the cutoff V-values shifted toward lower frequency when the inner cladding region is filled with air.
机译：研究了电磁波在具有M型折射率分布的椭圆形波导中的传播。所考虑的波导由位于内包层区域和外包层区域之间的椭圆形芯组成，被称为环形波导。这种结构的可能模式是通过求解色散关系来数值计算的，该色散关系用Mathieu函数表示。将该波导的发现结果与具有覆盖空气的内包层区域的另一类似波导进行比较。观察到，当内部包层区域充满空气时，截止V值向较低频率偏移。

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