A new differential absorption lidar for NO2 measurements using Raman-shifted technique

Based on Raman-shifted wavelengths of D2 and CH4 pumped by third harmonic of Nd:YAG laser, adifferential absorption lidar was presented in this paper and had been constructed for probing environ-mental NO2 concentration. NO2 experimental measurements were carried out at Anhui Institute of Opticsand Fine Mechanics in Hefei. Some NO2 measurement results were given and discussed.