This looks great! Thank you so much!

I’ve attempted to do the same, but as of now, I’m not getting something that looks like my input STL file. Trouble is, I don’t know if the reconstruction code isn’t working, or if the hologram computation isn’t working. I need a “ground truth” to establish which one works. (lol).

My project intends to compute Transmission holograms.

Also, do you have any tips in testing the CGH in code to verify it is a legit hologram before starting the relatively expensive process of physically printing it? I am producing (in Python) *something*, I’m just not sure it would yield a reconstructable hologram.

I’m curious if you’ve ever actually printed your CGHs to film/plate and reconstruct them using a laser reference beam IRL. If so, do you have any wisdom to share there?