Beta (propagation constant) Inquiry [Lumerical MODE]

- July 7, 2022 at 3:55 am
  
  Catherine.antipuesto
  Subscriber
  
  Hello! I found that I can graph Beta or the propagation constant using the frequency sweep of the FDE of Lumerical Mode. However, I would like to ask if I can code these commands in using Lumerical Script? Thank you!
- July 7, 2022 at 8:34 pm
  
  Guilin Sun
  Ansys Employee
  
  You can get neff and then calcualgte beta as
  beta=neff*k0
  where k0=2*pi/lambda
  using this script to get neff
  neff=getdata("mode1","neff")
  you can change the mode name to be mode2, mode3 etc.
- July 8, 2022 at 8:11 am
  
  jackzhf
  Subscriber
  
  https://optics.ansys.com/hc/en-us/articles/360034925213-propagate-Script-command
  
  Here are some more sample codes.

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