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Ansys Learning Forum Forums Discuss Simulation Photonics Spectral variation between (n,k) import and GDS import of same device Reply To: Spectral variation between (n,k) import and GDS import of same device

Guilin Sun
Ansys Employee

Thank you for raising this question. As your test shows, results strongly depend on the mesh accuracy. and the geometry its self might have slight diference, as the GDS is represented by polygons. You may need to have the index data after simulation, and get their differece to see if the difference is exactly the same.