Dear OpticStudio community,
I want to model an off-axis parabolic mirror in sequential mode, which focuses a parallel beam. According to this paper:
https://www.osapublishing.org/ao/abstract.cfm?uri=ao-37-16-3539
there should be some intrinsic coma and astigmatism even for on-axis beams, when an off-axis mirror is used, These terms disapear for the symmetric on-axis case. However, when I model an on axis system in ZOS, I do not see any aberrations in the spot diagram or the OPD plots. Any advice on this? Thanks!
Best answer by Angel Morales
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