you could check the following: +w-UK[p
OCzWP,
- if the surface/element tilt is too large ExDH@Lb
8k$iz@e
- enough analysis rays used? %C=
{\]-2~
zh$[UdY6
- have you used Coherent Data option under Detector setting. X[8m76/V
=:U63
Someone above was right about that the non-sequential mode only uses geometric rays but you could see inteference fringes using Coherent Data.