Abstract

A new tunable Lidar system, based on two Optical Parametric Amplifier (OPA) lasers pumped by a Nd:YAG laser operating at a maximum repetition rate of 100 Hz, has been designed to perform simultaneous measurements of atmospheric aerosols, water vapour and atmospheric pollutants concentration profiles [1]. OPA lasers, operating in a broad spectral range (350 - 2500 nm) with a very narrow line (<0.04 cm^-1), allow to perform DIAL measurements in the whole UV-VIS-NIR spectral region Receiver consists of two different telescopes in newtonian configuration; two rotating plane mirrors located above each telescope act as a coelostat allowing a tridimensional mapping.

© 1998 IEEE