you could check the following: }}(~'
?\#4`9
- if the surface/element tilt is too large %e1vq
V`WfJ>{;Z
- enough analysis rays used? c*1x*'j.
G:e} >'
- have you used Coherent Data option under Detector setting. sfrh+o57
6OTxtk
Someone above was right about that the non-sequential mode only uses geometric rays but you could see inteference fringes using Coherent Data.