ARL-1 Raman Lidar System for Atmospheric CO2 Measurements

Abstract

Abstract:

ARL-1 Raman lidar system developed in Anhui Institute of Optics and Fine Mechanics was introduced for atmospheric CO2 measurements. It is based on third harmonic of Nd:YAG laser. This system emits laser beam at wavelength of 354.7 nm into atmosphere and collects Raman backscattering lights from atmospheric N2 and CO2 stimulated by laser beam. Mixing ratio profile of CO2 can be calculated with Raman backscattering signals of N2 and CO2. In ARL-1 Raman lidar system, a setup for lidar constant calibration was designed. The experimental result shows that the stability of LED light intensity can reach up to 99.5%. Atmospheric CO2 measurements in PBL were carried out with the Raman lidar system.

Key words: atmospheric optics, Raman lidar, CO2, N2, lidar constant calibration

CLC Number:

TN958.96

HU Shun-Xing, DIAO Pei-Tao, HONG Shao-Lin, CAO Kai-Fa, FANG Xin, FAN Guan-Qiang, WANG Min, ZHAO Bo, HU Huan-Ling, WANG Ying-Jian. ARL-1 Raman Lidar System for Atmospheric CO2 Measurements[J]. Journal of Atmospheric and Environmental Optics, 2009, 4(6): 401-405.

References

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