you could check the following: Jdn*?hc+
g5Rm!T+@I<
- if the surface/element tilt is too large 86# mmm)
>Mw &Tw}o
- enough analysis rays used? a[n$qPm}
)\-";?sYky
- have you used Coherent Data option under Detector setting. sw|:Z(`
Nz*sD^SJa
Someone above was right about that the non-sequential mode only uses geometric rays but you could see inteference fringes using Coherent Data.
