[1] Gao Xiaoming, Huang Wei, Li ziyao et al.. Sensitive detection of CO2 molecule using near infrared diode laser absorption spectroscopy[J]. Acta Optica Sinica, 2003, 23(5):609-611

[2] J. Reid, Β. Κ. Garside, J. Shewchun et al.. High sensitivity point monitoring of atmospheric gases employing tunable diode laser[J]. Appl. Opt., 1978, 17(11):1806-1810

[3] P. Werle. A review of recent advances in semiconductor laser based gas monitors [J]. Spectrochimica Acta Part A, 1998, 54(2):192-236

[4] D. E. Cooper, R. U. Martinelli. Near-infrared diode lasers monitor molecular species [J]. Laser Foucus World, 1992,(11): 133-137

[5] D. Bomse. Diode lasers finding trace gases in the lab and the plant[J]. Photonics Spectra, 1995, (6):88-94