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Ansys Learning Forum Forums Discuss Simulation Photonics Question about article “Optical Defect Metrology (S-Matrix)” Reply To: Question about article “Optical Defect Metrology (S-Matrix)”

Guilin Sun
Ansys Employee

yes.

If you check the Rayleigh-Sommerfeld Diffraction Integral, you will find it has a -i phase. it is forward. Now we are correcting the phase backward. I hope this helps.