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Simulate material with X^2 off diagonal elements different from zero?

- July 4, 2023 at 7:49 pm
  
  Albi.Pani
  Subscriber
  
  Hi, I want to simulate a material whose nonlinear susceptibility tensor contains only off-diagonal components.
  But when I try to add new X^2 material this has only one value or three for the diagonal case.
  What can I do?
- July 5, 2023 at 5:04 pm
  
  Guilin Sun
  Ansys Employee
  
  non-diagonal tensor must be diagnolized and use both the diagonal elements and the transfer matrix as input. please refer to this article and example https://optics.ansys.com/hc/en-us/articles/360034394694-Creating-anisotropic-optical-materials-in-FDTD-and-MODE

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