kicklop
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kicklop
Hello, I think the best approach for you would be to propagate the beam into the focus of the KB by using LensFarField and then use Forvard to propagate back...
I checked the LensFarfield function against Goodman's Introduction to Fourier Optics, where the equation for field propagate to the focal plane of the lens is this: $U_f(u, v)= \frac{\exp \left[j...