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Ansys Learning Forum › Forums › Discuss Simulation › Photonics – Chinese › FDTD sampled 3D data 导入问题 › Reply To: FDTD sampled 3D data 导入问题

March 12, 2024 at 4:13 pm
Guilin Sun
Ansys Employee

显然不是一个概念啊！不可以！

FDTD中材料的折射率就是实部加虚部，real(n)+i*imag(n). 折射率没有单位！

Absorption Coefficient(单位:cm^-1)很可能就是（2*pi/lambda）*imag(n), 其中波长单位用厘米表示，你需要换算一下。