I'm interested in finding out more details on the Huygens PSF method.
The OpticStudio Help claims that 'a grid of rays is launched through the optical system'. Here I would like to know, what algorithm is used for the actual propagation. How are the abberations of all optical components accounted for? Are they propagated as rays, by paraxial propagation or by actually using Huygens formula?
It would be very helpful if anybody could clarify this detail.
Thanks a lot in advance, best wishes
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