Performances of a HGCDTE APD based direct detection lidar at 2 μm. Application to dial measurements Fabien Gibert, Arnaud Dumas, Johan Rothman, Dimitri Edouart, Claire Cénac and Jessica Pellegrino EPJ Web Conf., 176 (2018) 01001 Published online: 13 April 2018 DOI: 10.1051/epjconf/201817601001