basically, physical optics can only be modelled under sequential mode, take a look of this article someone just posted, the person who replied the post gave the right direction Alh?0 Fk3) 2vXGO|W [求助] 问下ZEMAX能模拟半导体激光器光束准直吗
hopebox
2010-11-15 03:20
yes, you can. this requries you to set up opernads properly is you wish to optimize it.... the clue lies on the POPD data you used to define collimated beam.