you could check the following: 8rpr10;U
Hwiftx
- if the surface/element tilt is too large thrv_^A
*D:uFo,xn
- enough analysis rays used? ]Yx&
@r9[&
- have you used Coherent Data option under Detector setting. 53O}`xX!6
B
f"L;L
Someone above was right about that the non-sequential mode only uses geometric rays but you could see inteference fringes using Coherent Data.