FLIR has a good handbook on some of the physics: https://www.flirmedia.com/MMC/T... | Hacker News

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		alhirzel on Nov 17, 2021 \| parent \| context \| favorite \| on: How to grow sodium chloride crystals at home FLIR has a good handbook on some of the physics: https://www.flirmedia.com/MMC/THG/Brochures/T559243/T559243_... The rest is light transport, e.g. lensing via index of refraction: https://courses.lumenlearning.com/boundless-physics/chapter/... Here's a cool article on a piece of an old spectrometer: https://utsic.utoronto.ca/spectroscopy-beyond-the-visible-sp... More information from a distributor of optics: https://www.knightoptical.com/stock/default/windows-and-diff...

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