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A comment on Show HN: LitiHolo – a desktop 3D hologram printer that makes true holograms.

Re:Show HN: LitiHolo – a desktop 3D hologram printer that ma... by handol on Thursday March 18, 2021 @06:08PM (#26508055)
This is a fascinating project. How do you actually generate a hogel? Are you positioning a reference surface? An SLM?
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Re:Show HN: LitiHolo – a desktop 3D hologram printer that ma... by hologram-paul on Thursday March 18, 2021 @06:13PM (#26508088)
Yes, SLM. We use an LCD which is then focused to the hogel aperture with the object beam, where it meets the reference beam at the film to record the hologram for that hogel.
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