Based on Raman-shifted wavelengths of D2 and CH4 pumped by third harmonic of Nd:YAG laser, a differential absorption lid......

SO2 monitoring in the flue gas of a coal burning boiler is important for environmental protection. The nonlinearity of p......

A prototype Raman lidar was designed for monitoring tropospheric CO2 profile and other scientific investigations. The th......

A method of interference correction for improving the sensitivity of non-dispersive infrared (NDIR) gas analysis system ......