1. Jiangsu Key Laboratory for Optoelectronic Detection of Atmosphere and Ocean
2. Nanjing University of Information Science & Technology
3. Nanjing 210044
4. P. R. China
5. Jiangsu Collaborative Innovation Center on Atmospheric Environment and Equipment Technology (CICAEET)
6. Department of Physics
7. Nanjing University
8. Nanjing 210023
9. China National Environmental Monitoring Center
10. Beijing 100012