A 3D-printed Raman spectrometer
5 hours ago
- #DIY Science
- #Raman Spectroscopy
- #Optical Instruments
- Explains Raman scattering: photons lose energy when reflecting off surfaces, causing wavelength shifts that identify molecules.
- Describes CubeRaman: a DIY, 3D-printed spectrometer using a 532 nm laser, filters, and kinematic mounts with magnets.
- Highlights tests: raw diamond showed expected shift; ethanol and glass bottle tests revealed challenges with stray signals.
- Notes room for improvement: reducing stray light and using a narrower slit in the spectrometer.
- Discusses comments: humor about "Ramen spectrometer", praise for clear journalism, and technical discussions on laser wavelengths.
- Mentions creator's plans: adding build instructions and considering improvements like aluminum housing for better rigidity.