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Ansys Innovation Space

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远场平面投影

- September 8, 2024 at 4:21 pm
  
  1794377879
  Subscriber
  
  最近在做一个超透镜，扩束用的，想知道在透镜上方12.5mm处的，一个平面内的光斑能量分布，需要用哪个监视器或者函数呀，FDTD能实现吗。
  目前只看到FDTD远场投影看角度分布的例子，就是在远场一个球面上的能量分布。
- September 9, 2024 at 7:34 pm
  
  Guilin Sun
  Ansys Employee
  
  可以使用farfieldexact计算任意点线面上的场分布。参见
  https://optics.ansys.com/hc/en-us/articles/360034930733-farfieldexact3d-Script-command
  例子
  https://optics.ansys.com/hc/en-us/articles/360042160473-Focusing-with-a-single-subwavelength-aperture
  https://optics.ansys.com/hc/en-us/articles/360042160493-Bull-s-eye-aperture
  你说的能量应该是强度吧？
  Ansys Insight: 光学强度、功率、电场强度平方的关系以及电磁能量

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