JIAN LI1, CHENGCAI LI1, YIMING ZHAO2, JING LI1 AND YIQI CHU1
1) Department of Atmospheric and Oceanic Sciences, School of Physics, Peking University, 100871 Beijing, China
2) Beijing Research Institute of Telemetry, 100076 Beijing, China
Correspondence to: Chengcai LI (ccli@pku.edu.cn)
Abstract
A simple experimental method to determine the overlap profile of Raman lidar is presented in this paper. Based on Mie and Raman backscattering signals and a geometrically constrained condition, the overlap profile of a Raman lidar system can be determined. Our approach simultaneously retrieves the lidar ratio of aerosols, which is one of the most important sources of uncertainty in the overlap profile determination. The results indicate that the overlap factor is significantly influenced by the lidar ratio in experimental methods. A representative case study indicates that the correction of the overlap profile obtained by this method is practical and feasible.
Citation: J. LI, C.C. LI, Y.M. ZHAO, J.LI, and Y.Q. CHU, 2016: Geometrical constraint experimental determination of Raman lidar overlap profile, Applied Optics, 55(18), 4924-4928
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