https://www.mantispectra.com/
MantiSpectra — near-infrared spectral sensing on a chip
A full near-infrared spectrometer on a 4×4 mm chip. Identify what things are made of in real time, without touching them.
near infraredspectral sensingchip
https://spectralengines.com/
Innovative Material Sensing | Spectral Engines
innovativematerialsensingspectralengines