I am looking to built a CO2 sensor based on near infrared (4.2 um) absorption of the gas.
For the calculations, it would be handy to know the absorption coefficient, only, this seems difficult to find.
Maybe this paper could help you.
Thank you.
Hi Henri,
Did you tried the Hitran libraries? https://hitran.org/
It is for free. Just log in and use it.
greetings,
Jarek
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