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首页> 外文期刊>Mathematical Problems in Engineering >Fast and Simple Method for Evaluation of Polarization Correction to Propagation Constant of Arbitrary Order Guided Modes in Optical Fibers with Arbitrary Refractive Index Profile
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Fast and Simple Method for Evaluation of Polarization Correction to Propagation Constant of Arbitrary Order Guided Modes in Optical Fibers with Arbitrary Refractive Index Profile

机译：快速和简单的方法来评估具有任意折射率分布的光纤中的任意阶导模的偏振常数的偏振校正

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摘要

This work presents fast and simple method for evaluation of polarization correction to scalar propagation constant of arbitrary order guided modes propagating over weakly guiding optical fibers. Proposed solution is based on earlier on developed modified Gaussian approximation extended for analysis of weakly guiding optical fibers with arbitrary refractive index profile in the core region bounded by single solid outer cladding. Some results are presented that illustrate the decreasing of computational error during the estimation of propagation constant when polarization corrections are taken into account. Analytical expressions for the first and second derivatives of polarization correction are derived and presented.
机译：这项工作提出了一种快速，简单的方法，用于评估在弱导光纤上传播的任意阶导模的标量传播常数的偏振校正。拟议的解决方案基于较早的改进的高斯近似方法，该方法扩展了其分析范围，该方法用于分析由单个固体外包层界定的纤芯区域中具有任意折射率分布的弱引导光纤。提出了一些结果，这些结果说明了在考虑偏振校正的情况下，在估计传播常数的过程中计算误差的减小。推导并给出了偏振校正的一阶和二阶导数的解析表达式。

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