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Ansys Learning Forum › Forums › Discuss Simulation › Photonics – Chinese › bend waveguide loss › Reply To: bend waveguide loss

November 25, 2024 at 10:07 am
sidi.lu
Subscriber

您好，材料的虚部关联的是材料的吸收。吸收为0并不代表在弯曲波导的传输损耗为0。 传输损耗由有效折射率中的虚部表征，虚部与loss的换算关系见FDE solver analysis - Mode List and Deck – Ansys Optics。

材料折射率包含虚部时，相应的求解的有效折射率会有变化。