Spectroscopy system based on a single quantum cascade laser for simultaneous detection of CO and CO<sub>2</sub>

Spectroscopy system based on a single quantum cascade laser for simultaneous detection of CO and CO₂

Wei Min^{1, 2}, Ye Qing-Hao³, Kan Rui-Feng¹, Chen Bing¹, Yang Chen-Guang¹, Xu Zhen-Yu¹, Chen Xiang^{1, 2}, Ruan Jun¹, Fan Xue-Li¹, Wang Wei¹, Hu Mai¹, Liu Jian-Guo^{1, †,}

Allan deviations of CO (a) and CO₂ (b) as a function of integration time.