I’d liked to get color angular distribution in multilayer structure like OLED.
one of encapsulation layer is thick enough to make interference pattern in color spectrum.
To avoid interference pattern, I put my monitor into encapsulation layer and I set material index in farfield script.
but in the result, there is intensity at 90 degree, and I applied farfield filter=0.5 to the monitor and the result seemed reasonable. but I can’t understand that I can use farfield filter in periodic boundary.
Please explain about farfield filter in periodic boundary and let me know the way to get rid of the interference pattern in farfield result (angular distribution).