non-sequential mode does not account diffraction unless you use certain setting that may wrok out something such as interference but this is resctricted at the detector objects,otherwise this mode will just use geometric rays. You should not have to worry about it. W X"iDz.
l5h+:^#M5c
Under detector, you shall just use incoherent data. 翻译一下吧？有人吗？
