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Ansys Learning Forum › Forums › Discuss Simulation › Optics › 在FDTD中怎样定义一个复数频率的光源 › Reply To: 在FDTD中怎样定义一个复数频率的光源

November 5, 2024 at 5:22 pm
Guilin Sun
Ansys Employee

FDTD一般都使用调制的高斯波，Lumerical对调制做了修改是Chirped信号，优点很多。

你可以自己设置一种信号，参见： https://optics.ansys.com/hc/en-us/articles/360034383114-Creating-a-custom-source-time-signal-for-an-FDTD-source

你可能需要琢磨一下到底需要什么样的时间信号。

参考： https://optics.ansys.com/hc/en-us/articles/360034394234-Understanding-frequency-domain-CW-normalization