[6] [6] MAI O C, MATSUMI Y, NAKAYAMA T, et al.. Development of a balloon-borne instrument for CO2 vertical profile observations in the troposphere ［J］.Atmos. Meas. Tech., 2019, 12(10): 5639-5653.

[7] [7] JOLY L, MAAMARY R, DECARPENTERIE T, et al.. Atmospheric Measurements by Ultra-Light Spectrometer (AMULSE) dedicated to vertical profile in situ measurements of carbon dioxide (CO2) under weather balloons: instrumental development and field application ［J］.Sensors, 2016, 16(10): 1609.

[8] [8] KHAIR Z M E, JOLY L, COUSIN J, et al.. In situ measurements of methane in the troposphere and the stratosphere by the Ultra Light Spectrometer Amulse ［J］.Applied Physics B, 2017, 123(12): 281.

[11] [11] SCHERER J J, PAUL J B, OKEEFE A, et al.. Cavity ringdown laser absorption spectroscopy: History, development, and application to pulsed molecular beams ［J］.Chemical Reviews, 1997, 97(1): 25-52.

[17] [17] LISAK D, HODGES J T, CIURYLO R. Comparison of semiclassical line-shape models to rovibrational H2O spectra measured by frequency-stabilized cavity ring-down spectroscopy ［J］.Physical Review A, 2006, 73(1): 012507.

[20] [20] MIKHAILENKO S N, MONDELAIN D, KARLOVETS E V, et al.. Comb-assisted cavity ring down spectroscopy of 17O enriched water between 6 667 and 7 443 cm-1 ［J］.Journal of Quantitative Spectroscopy and Radiative Transfer, 2018, 206: 163-171.