Depolarization channel for barcelona lidar. Implementation and preliminary measurements. Alejandro Rodríguez-Gómez, Michaël Sicard, Constantino Muñoz-Porcar, Rubén Barragán, Adolfo Comerón, Francesc Rocadenbosch and Eric Vidal EPJ Web Conf., 176 (2018) 01029 Published online: 13 April 2018 DOI: 10.1051/epjconf/201817601029