you could check the following: t#tAvwFM8
&kKopJH
- if the surface/element tilt is too large T4,dhS|
(Zi(6 T\z
- enough analysis rays used? q_eGY&M
_-aQ.p ?T
- have you used Coherent Data option under Detector setting.
{ndL]c'v
C$o#zu q-
Someone above was right about that the non-sequential mode only uses geometric rays but you could see inteference fringes using Coherent Data.