Articles | Volume 11, issue 2 
            
                
                    
                    
                        
            
            
            https://doi.org/10.5194/amt-11-1119-2018
                    © Author(s) 2018. This work is distributed under 
the Creative Commons Attribution 3.0 License.
                the Creative Commons Attribution 3.0 License.
Special issue:
                        
                    https://doi.org/10.5194/amt-11-1119-2018
                    © Author(s) 2018. This work is distributed under 
the Creative Commons Attribution 3.0 License.
                the Creative Commons Attribution 3.0 License.
Experimental techniques for the calibration of lidar depolarization channels in EARLINET
Livio Belegante
                                            National Institute of Research and Development for Optoelectronics, 409 Atomistilor Str, Magurele, Romania
                                        
                                    
                                            Andalusian Institute for Earth System Research, Granada, Spain
                                        
                                    
                                            Department of Applied Physcis, University of Granada, Granada, Spain
                                        
                                    Volker Freudenthaler
                                            Meteorological Institute, Ludwig-Maximilians-Universitat, Theresienstr. 37, 80333 Munich, Germany
                                        
                                    Doina Nicolae
                                            National Institute of Research and Development for Optoelectronics, 409 Atomistilor Str, Magurele, Romania
                                        
                                    Anca Nemuc
                                            National Institute of Research and Development for Optoelectronics, 409 Atomistilor Str, Magurele, Romania
                                        
                                    Dragos Ene
                                            National Institute of Research and Development for Optoelectronics, 409 Atomistilor Str, Magurele, Romania
                                        
                                    Lucas Alados-Arboledas
                                            Andalusian Institute for Earth System Research, Granada, Spain
                                        
                                    
                                            Department of Applied Physcis, University of Granada, Granada, Spain
                                        
                                    Aldo Amodeo
                                            Istituto di Metodologie per l'Analisi Ambientale CNR-IMAA, C.da S. Loja, Tito Scalo, Potenza 85050, Italy
                                        
                                    Gelsomina Pappalardo
                                            Istituto di Metodologie per l'Analisi Ambientale CNR-IMAA, C.da S. Loja, Tito Scalo, Potenza 85050, Italy
                                        
                                    Giuseppe D'Amico
                                            Istituto di Metodologie per l'Analisi Ambientale CNR-IMAA, C.da S. Loja, Tito Scalo, Potenza 85050, Italy
                                        
                                    Francesco Amato
                                            Istituto di Metodologie per l'Analisi Ambientale CNR-IMAA, C.da S. Loja, Tito Scalo, Potenza 85050, Italy
                                        
                                    Ronny Engelmann
                                            Leibniz Institute for Tropospheric Research, Permoserstr. 15, 04318 Leipzig, Germany
                                        
                                    Holger Baars
                                            Leibniz Institute for Tropospheric Research, Permoserstr. 15, 04318 Leipzig, Germany
                                        
                                    Ulla Wandinger
                                            Leibniz Institute for Tropospheric Research, Permoserstr. 15, 04318 Leipzig, Germany
                                        
                                    Alexandros Papayannis
                                            National Technical University of Athens (NTUA), Physics Department, Heroon Polytechniou 9, 15780 Zografou, Athens, Greece
                                        
                                    Panos Kokkalis
                                            National Technical University of Athens (NTUA), Physics Department, Heroon Polytechniou 9, 15780 Zografou, Athens, Greece
                                        
                                    Sérgio N. Pereira
                                            Evora Geophysics Center, Rua Romao Ramalho 59, 7000, Evora, Portugal
                                        
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- Investigating the dependence of mineral dust depolarization on complex refractive index and size with a laboratory polarimeter at 180.0° lidar backscattering angle A. Miffre et al. 10.5194/amt-16-403-2023
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- Calibration and Calculation of Polarization Lidar J. Xian et al. 10.1029/2019EA000609
- Polarization lidar: an extended three-signal calibration approach C. Jimenez et al. 10.5194/amt-12-1077-2019
- Scanning polarization lidar LOSA-M3: opportunity for research of crystalline particle orientation in the ice clouds G. Kokhanenko et al. 10.5194/amt-13-1113-2020
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- Polarization aberrations corrections and polarization-dependent imaging quality analysis in polarization lidars W. Jia et al. 10.1016/j.optcom.2021.127106
- Validation of initial observation from the first spaceborne high-spectral-resolution lidar with a ground-based lidar network Q. Liu et al. 10.5194/amt-17-1403-2024
- Experimental assessment of a micro-pulse lidar system in comparison with reference lidar measurements for aerosol optical properties retrieval C. Córdoba-Jabonero et al. 10.5194/amt-14-5225-2021
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- 1064 nm rotational Raman polarization lidar for profiling aerosol and cloud characteristics L. Wang et al. 10.1364/OE.518259
- Calibration by Air in Polarization Sensing S. Volkov et al. 10.3390/atmos13081225
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- Multiyear Typology of Long-Range Transported Aerosols over Europe V. Nicolae et al. 10.3390/atmos10090482
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- The eVe reference polarisation lidar system for the calibration and validation of the Aeolus L2A product P. Paschou et al. 10.5194/amt-15-2299-2022
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Latest update: 25 Oct 2025
Short summary
            This paper presents different depolarization calibration procedures used to improve the quality of the depolarization data. The results illustrate a significant improvement of the depolarization lidar products for all the selected EARLINET lidar instruments. The calibrated volume and particle depolarization profiles at 532 nm show values that fall within a range that is accepted in the literature. The depolarization accuracy estimate at 532 nm is better than ±0.03 for all cases.
            This paper presents different depolarization calibration procedures used to improve the quality...
            
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