请问如何在fdtd中模拟自然光入射的结果？

- December 16, 2022 at 9:35 am
  
  czt
  Subscriber
  
  老师您好，在fdtd中主要设置都是x、y偏振光。
  为了得到自然光入射的模拟结果，我的做法是用x偏振，y偏振的入射光各自仿真一遍之后进行一个场强（E^2）的叠加。不知道这样的做法正确吗？
  如果不正确的话，请问一下应该如何操作呀
- December 16, 2022 at 6:46 pm
  
  Guilin Sun
  Ansys Employee
  
  如果是平面波或者高斯光束，是用这样两个垂直偏振仿真结果做平均；如果是偶极子，需要三个偏振。
- December 17, 2022 at 5:27 pm
  
  czt
  Subscriber
  
  明白了，感谢老师

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