Thanks for the welcome!
The title is refering to the "reason" i searched for a laser forum -> http://laserpointerforums.com/f44/looking-1305-1300-nm-laser-77594.html
Another interesting story will be in using a standard 655nm laser to catch CO2... (carbon dioxide)
IR Spectra Zoom
Not only i'm having a larger window, but i will use a standard laser, and standard instrument work well to!
2008364 - LASER COMPONENTS - LASER DIODE, 655NM | Farnell United Kingdom
This is a quite long question.
Introduction, I'm looking to build a methane gas meter.
NOT a flow meter but a concentration meter.... (biogas is composed of methane and carbon dioxide bla bla bla)
Commercial one are a little to expensive for my budget, so i'll try to build one...
The task is...