Related cool diy-ish optical stuff...<p>A friend sent me this simple design for a raman spectrometer [1].<p>And some 3D-printable cage optics for when alignment is really important [2].<p>[1]: <a href="https://hackteria.org/wiki/images/a/a0/MobPhone_RamanSpec_2021.pdf" rel="nofollow">https://hackteria.org/wiki/images/a/a0/MobPhone_RamanSpec_20...</a><p>[2]: <a href="https://www.sciencedirect.com/science/article/pii/S2468067217300421" rel="nofollow">https://www.sciencedirect.com/science/article/pii/S246806721...</a>
For those interested, there is also OpenUC2 on this niche: <a href="https://github.com/openUC2/UC2-GIT" rel="nofollow">https://github.com/openUC2/UC2-GIT</a>
It would be interesting to see how the two systems compare.
what is the best plastic to print these lenses from? I've found over time all of the clear prints I've don't suffer from UV degradation.