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Atmospheric and Oceanic Optics

2017 year, number 12

“LOSA-S”- a basic lidar of the Russian segment of CIS-LiNet

Yu.S. Balin1, G.P. Kokhanenko1, M.G. Klemasheva1, I.E. Penner1, S.V. Nasonov1, S.V. Samoilova1, A.P. Chaikovsky2
1V.E. Zuev Institute of Atmospheric Optics of Siberian Branch of the Russian Academy of Science, 1, Academician Zuev square, Tomsk, 634021, Russia
2B.I. Stepanov Institute of Physics, National Academy of Sciences of Belarus, Belarus, 220072, Minsk, Independence Avenue, 68
Keywords: лидар, многоволновое зондирование, линейная и круговая поляризация, аэрозоль, кристаллические облака, lidar, multiwavelength sounding, linear and circular polarization, aerosol, crystal clouds


Stationary lidar “LOSA-S” is intended for the study of aerosol fields in the boundary layer of the troposphere in the altitude range 0.05-15 km, as well as for the study of crystal clouds using the polarization unit with linear and circular radiation polarization. The scheme of simultaneous observation of elastic and Raman scattering signals when irradiating the medium at wavelengths of 1064, 532, and 355 nm is implemented in the lidar. The lidar is based on a LOTIS-2135 Nd:YAG laser and a Cassegrain receiving specular telescope with a diameter of 300 mm. In addition to the return signals of elastic scattering recorded in the analog mode, the lidar records Raman scattering signals on molecular nitrogen (387 and 607 nm) and water vapor (407 nm) in the photon counting mode. To cover the aforementioned altitude range, two receiving telescopes are used in the lidar for near and far zones; the signals are recorded by the same photodetectors.