Designing an optical element generating five-direction collimated rays based on free-form surfaces[J]. 2016, 42(6): 529-533.
DOI:
Designing an optical element generating five-direction collimated rays based on free-form surfaces[J]. 2016, 42(6): 529-533. DOI: 10.13741/j.cnki.11-1879/o4.2016.06.010.
Designing an optical element generating five-direction collimated rays based on free-form surfaces