Conductive-cooled 2micron laser development for CO_2 and wind measurements

摘要

We have developed a ground-based CO_2 DIAL/Wind Doppler lidar system (Co2DiaWiL) with a conductive-cooled 2micron laser of 50-100mJ output at 20-30Hz and made test observations of LOS wind and CO_2 concentrations. The data shows that the system works well. We are now developing a compact mobile CO_2 DIAL/Wind Doppler lidar system using a similar design to Co2DiaWiL, but more compact and small. The laser oscillator will be operated in 50-100mJ output at 30-40Hz. It will be used for air-borne and ground-based observations. The lasers are conductive-cooled, laser diode pumped and eye-safe. Then, these are suitable for some kinds of space-borne lidar to measure not only atmospheric CO_2 and wind profiling but also aerosol and cloud profiling.