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- March 2, 2023 at 12:33 pm
  
  221068316
  Subscriber
  
  FDTD material addition problem, How do I get the specific name of the material according to the parameters shown,Or is there any website that can find materials according to Lorentz, thank you!
  Permittivity:12.1815
  Lorentz Permittivity:-0.1
  Lorentz Resonance(rad/s):2.19911485751286e+15
  Lorentz Linewidth(rad/s):314159265358979
- March 3, 2023 at 12:14 am
  
  Guilin Sun
  Ansys Employee
  
  “get the specific name of the material according to.."?
  I guess you mean what material model you will use based on those parameters? apparently this is a Lorentz material. Please refer to https://optics.ansys.com/hc/en-us/articles/360034394634-Standard-optical-permittivity-material-models-in-FDTD-and-MODE

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