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Ansys Learning Forum Forums Discuss Simulation Photonics 关于overlap的讨论 Reply To: 关于overlap的讨论

Guilin Sun
Ansys Employee

KB 推导在这里 https://optics.ansys.com/hc/en-us/articles/360034396834-Understanding-the-mode-overlap-calculation

“lumerical中overlap这个计算公式里的电场是这个模式的总电场,总磁场吗?”不是,都是单个模场。

提取三个分量后,可以用Angle计算每个分量的位相,如果需要的话,参见 

Ansys Insight: 几个简单实用的脚本Script命令:用于结果分析

负的没啥关系,取政即可,所以KB上加了绝对值。

你可以看看位相。另外看看有效折射率是不是为负。这个没有说明。