Transforming a depolarization lidar into a polarimetric LIDAR
Authors: Del Guasta M., Vallar E., Riviere O., Castagnoli F., Venturi V., Morandi M.
Autors Affiliation: Ist. Fisica Applicata Nello Carrara, C.N.R, Florence, Italy; Physics Dept., De La Salle Univ., Manila, Philippines; Dépt. de Physique, Ecole Normale Supérieure, Paris, France
Abstract: The conversion of a simple modular depolarization LIDAR into a polarimetric LIDAR was discussed. The conversion was achieved by adding a PC-controlled phase retarder along the laser beam and three PC-controlled FerroElectric phase retarders just before polarization analyzer of the receiving section. Each cell acted as a ?/4 plate whose axis could be aligned or rotated 45° with respect to the analyzer. The modified system was suggested to be suitable for the unambiguous detection of oriented ice particles in frozen and mixed-phase clouds through an analysis of the Stokes vector received.
KeyWords: Backscattering; Calibration; Clouds; Electromagnetic wave interference; Ice; Laser beams; Light polarization; Matrix algebra; Phase shift; Vectors, Depolarization; Phase retarders; Polarization analyzers, Optical radarDOI: 10000000000