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Ansys Learning Forum › Forums › Discuss Simulation › Photonics › problem in the situation of inclined incidence with plane wave source › Reply To: problem in the situation of inclined incidence with plane wave source

September 14, 2022 at 5:25 am
liguangrui33
Subscriber

Thank you for your suggestions.

I am using plane wave plus Bloch BC for a single wavelength. Now I have my PML steep angle mode with 16 layers (400nm compared with 266nm wavelength). The distance is 2um away. 

It looks like the result is convergence on PML already, since it would not change much if I increase the layer number to 26. But the reflectance is still as much as 0.018 on the monitor before source. 

Is there a further step to improve the simulation? Thank you