The attached file shows a wavefront with 'spiders' from a telescope.
These spiders require a very high pupil resolution for a well converging PSF calculation. But I need to calculate a huge number of PSFs and have to restrict the pupil sampling because of computing time.
Is there a possibility for 'Edge Smoothing' in Zemax? I mean a kind of 'apodization' of the spiders that yields a smooth transition from bright to dark that improves the convergence?
Additionally: The spiders and the inner obscuration are (as usual in telescopes) not in the plain of the aperture stop. Is the Zemax PSF calculation (FFT or Huygens) still valid?
Best answer by Mark.Nicholson
View original