Hydrogen sulphide detection using near-infrared diode laser and compact dense-pattern multipass cell
Tian Xing1, 2, Cao Yuan1, 2, Chen Jia-Jin1, Liu Kun1, †, Wang Gui-Shi1, Gao Xiao-Ming1
       

Simulated absorption spectra of H2S, CO2, and H2O near 6336.6 cm−1, at pressure of (a) 760 Torr and (b) 76 Torr, respectively.