Measurement Method of Atmospheric Column Concentration of Greenhouse Gas Based on Near Infrared Heterodyne Spectroscopy

Hao Deng; Chenguang Yang; Linqiang Guan; Zhenyu Xu; Lu Yao; Ruifeng Kan; Yabai He

doi:10.3788/CJL201946.0311001

Chinese Journal of Lasers, Volume. 46, Issue 3, 0311001(2019)

Measurement Method of Atmospheric Column Concentration of Greenhouse Gas Based on Near Infrared Heterodyne Spectroscopy

Hao Deng^1,2、*, Chenguang Yang¹, Linqiang Guan^1,2, Zhenyu Xu¹, Lu Yao¹, Ruifeng Kan^1、*, and Yabai He^1,2

¹ Key Laboratory of Environmental Optics and Technology, Anhui Institute of Optics and Fine Mechanics,Chinese Academy of Science, Hefei, Anhui 230031, China

² Science Island Branch of Graduate School, University of Science and Technology of China, Hefei, Anhui 230026, China

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Figures & Tables(6)

Fig. 1. Principle of laser heterodyne detection

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Fig. 2. Schematic of near infrared laser heterodyne detection system

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Fig. 3. Measured laser interferometric fringe

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Fig. 4. Measured bandwidth of laser heterodyne detection system

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Fig. 5. Fitting results. (a) Measured whole atmospheric CO2 solar spectral signal and Voigt fitting result; (b) fitted residual

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Fig. 6. Measured whole atmospheric CO2 solar spectral signal obtained with ground-based Fourier transform spectrometer

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Hao Deng, Chenguang Yang, Linqiang Guan, Zhenyu Xu, Lu Yao, Ruifeng Kan, Yabai He. Measurement Method of Atmospheric Column Concentration of Greenhouse Gas Based on Near Infrared Heterodyne Spectroscopy[J]. Chinese Journal of Lasers, 2019, 46(3): 0311001

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Paper Information

Category: spectroscopy

Received: Aug. 30, 2018

Accepted: Nov. 27, 2018

Published Online: May. 9, 2019

The Author Email:

DOI:10.3788/CJL201946.0311001

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology