Double-Pulse Two-micron LPDA Lidar Simulation for Airborne Carbon Dioxide Measurements Tamer F. Refaat, Upendra N. Singh, Jirong Yu and Mulugeta Petros EPJ Web of Conferences, 119 (2016) 05006 Published online: 07 June 2016 DOI: 10.1051/epjconf/201611905006