How to add material data in fdtd material database?

- September 22, 2022 at 7:16 pm
  
  sagar
  Subscriber
  
  I am trying to import the n and k values for material for different wavelengths. But does FDTD fitting need to be done? In the materials database, I am not able to fit the data; there are a lot of discrepancies coming fdtd fitting vs materials original value.
- September 23, 2022 at 9:32 pm
  
  Guilin Sun
  Ansys Employee
  
  FDTD will need to fit the dispersion internally. You can improve the fitting by adjust various parameters in the fitting panel, including those in "show advanced". Please try.
  You can refer this link https://optics.ansys.com/hc/en-us/articles/360034915053-Tips-for-improving-the-quality-of-optical-material-fits
  If you are a premium user, please send us your file through email so we can better help you. You can register for premium support if you have the code:
  How to register for support with Lumerical – Ansys Optics

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