you could check the following: [6 qP;
pD/S\E0@t
- if the surface/element tilt is too large /aE Q3 x
j"=jK^
- enough analysis rays used? IvSrJe[;
x" T^>Q
- have you used Coherent Data option under Detector setting. }TLC b/+
e@VRdh b
Someone above was right about that the non-sequential mode only uses geometric rays but you could see inteference fringes using Coherent Data.
