如何用MODE计算模式的传播常数

- February 15, 2022 at 1:43 am
  
  Tlyeer
  Subscriber
- February 15, 2022 at 4:17 pm
  
  Guilin Sun
  Ansys Employee
  
  传播常数是β或者k，即neff*beta0=neff*(2*pi)/lambda0, where Lambda0 为真空中的波长。因此，你只需要计算出模式的有效折射率即可。effective index 那一栏就是。你可以用下列脚本得到结果：
  
  getdata("mode1","neff")
  
  你试一下。

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