you could check the following: pah'>dAL
Dml;#'IF3
- if the surface/element tilt is too large G~a ZJ,
O=t_yy
- enough analysis rays used? qInR1 r<
;H*T^0
- have you used Coherent Data option under Detector setting. oZgjQM$YP
^{`exCwMx
Someone above was right about that the non-sequential mode only uses geometric rays but you could see inteference fringes using Coherent Data.