• Journal of Atmospheric and Environmental Optics
  • Vol. 20, Issue 2, 158 (2025)
LI Renshi1,2, DENG Hao2,*, KAN Ruifeng2, YANG Chenguang3..., LIU Hao2, XU Zhenyu2,** and ZHANG Xianyi1,***|Show fewer author(s)
Author Affiliations
  • 1School of Physics and Electronic Information, Anhui Normal University, Wuhu 241002, China
  • 2Key laboratory of Environmental Optics and Technology, Anhui Institute of Optics and Fine Mechanics, HFIPS, Chinese Academy of Science, Hefei 230031, China
  • 3Institute of Deep-sea Science and Engineering, Chinese Academy of Science, Sanya 572000, China
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    DOI: 10.3969/j.issn.1673-6141.2025.02.004 Cite this Article
    Renshi LI, Hao DENG, Ruifeng KAN, Chenguang YANG, Hao LIU, Zhenyu XU, Xianyi ZHANG. Inversion method of atmospheric CO2 vertical profiles based on near-infrared laser heterodyne spectroscopy[J]. Journal of Atmospheric and Environmental Optics, 2025, 20(2): 158 Copy Citation Text show less
    The schematic diagram of principle of laser heterodyne detection
    Fig. 1. The schematic diagram of principle of laser heterodyne detection
    High resolution laser heterodyne detection system for solar radiation
    Fig. 2. High resolution laser heterodyne detection system for solar radiation
    Interference spectrum of F-P etalon and linear function of system instrument. (a) Interference spectrum of etalon;(b) instrument linear function
    Fig. 3. Interference spectrum of F-P etalon and linear function of system instrument. (a) Interference spectrum of etalon;(b) instrument linear function
    The flow chart of retrieving atmospheric CO2 profiles
    Fig. 4. The flow chart of retrieving atmospheric CO2 profiles
    The prior profiles of atmospheric pressure and temperature at various altitude
    Fig. 5. The prior profiles of atmospheric pressure and temperature at various altitude
    The fitting results of atmospheric CO2 heterodyne spectra (a) and corresponding fitting residuals (b)
    Fig. 6. The fitting results of atmospheric CO2 heterodyne spectra (a) and corresponding fitting residuals (b)
    The prior vertical profiles and retrieved vertical profiles of CO2
    Fig. 7. The prior vertical profiles and retrieved vertical profiles of CO2
    Sum of average kernel functions for CO2 (a) and total error of profile retrieval (b)
    Fig. 8. Sum of average kernel functions for CO2 (a) and total error of profile retrieval (b)
    Renshi LI, Hao DENG, Ruifeng KAN, Chenguang YANG, Hao LIU, Zhenyu XU, Xianyi ZHANG. Inversion method of atmospheric CO2 vertical profiles based on near-infrared laser heterodyne spectroscopy[J]. Journal of Atmospheric and Environmental Optics, 2025, 20(2): 158
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