请问，为什么用FDTD导出的电场矢量数据，在Origin中画矢量图后，有电场数据会出现在空气层中呢？

- April 28, 2022 at 6:49 am
  
  LYhome123
  Subscriber
- April 28, 2022 at 4:48 pm
  
  Guilin Sun
  Ansys Employee
  
  这个属于第三方软件，我不清楚。
  很可能是坐标抽样的问题，Lumerical是非均匀网格，其它软件例如Matlab是均匀网格 Ansys Insight: Matlab画图失真问题
  请用Lumerical的Visualizer看矢量作图，或者脚本
  vectorplot - Script command
  How to put a vector plot and mode field plot together from your MODE simulation
  Using the data visualizer and figure windows
  Creating vector plots with MATLAB
- April 29, 2022 at 1:25 pm
  
  LYhome123
  Subscriber
  
  那老师，我想再问一下，实际上在模型的金属层中或者空气部分，是否存在电场的数据呢？我看到在空气部分中的电场也同样有颜色。
- April 29, 2022 at 1:25 pm
  
  LYhome123
  Subscriber
  
  那老师，我想再问一下，实际上在模型的金属层中或者空气部分，是否存在电场的数据呢？
- April 29, 2022 at 1:25 pm
  
  LYhome123
  Subscriber
  
  那老师，我想再问一下，实际上在模型的金属层中或者空气部分，是否存在电场的数据呢？
- April 29, 2022 at 7:12 pm
  
  Guilin Sun
  Ansys Employee
  
  这个应该是理论问题了。
  应该可以存在电场和磁场啊，只有理想金属里面不可能，因为都在表面。当然实际金属内部的电磁场可能随距离变化很快衰减。
  建议先用Lumerical的Visualizer看，以此作为表征查看第三方软件的结果是否正确。当然第三方软件作图应该是很漂亮很容易编辑操作。

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