NIST Laser ‘Comb’ Systems Now Measure All Primary Greenhouse Gases in the Air

ENN
Jun 30, 2021, 2:50 pm413 pts
Researchers at the National Institute of Standards and Technology (NIST) have upgraded their laser frequency-comb instrument to simultaneously measure three airborne greenhouse gases — nitrous oxide, carbon dioxide and water vapor — plus the major air pollutants ozone and carbon monoxide.

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