Uncertainties of atmospheric polarimetric ...
Document type :
Article dans une revue scientifique: Article original
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Title :
Uncertainties of atmospheric polarimetric measurements with sun-sky radiometers induced by errors of relative orientations of polarizers
Author(s) :
Li, Li [Auteur]
Chinese Academy of Sciences [Beijing] [CAS]
Li, Zhengqiang [Auteur]
Chinese Academy of Sciences [Beijing] [CAS]
Li, Kaitao [Auteur]
Chinese Academy of Sciences [Beijing] [CAS]
Sun, Bin [Auteur]
Leipziger Institut für Meteorologie [LIM]
Chinese Academy of Sciences [Beijing] [CAS]
Wu, Yanke [Auteur]
Guangdong Ocean University
Xu, Hua [Auteur]
Chinese Academy of Sciences [Beijing] [CAS]
Xie, Yisong [Auteur]
Chinese Academy of Sciences [Beijing] [CAS]
Goloub, Philippe [Auteur]
Laboratoire d'Optique Atmosphérique (LOA) - UMR 8518
Wendisch, Manfred [Auteur]
Leipziger Institut für Meteorologie [LIM]
Chinese Academy of Sciences [Beijing] [CAS]
Li, Zhengqiang [Auteur]
Chinese Academy of Sciences [Beijing] [CAS]
Li, Kaitao [Auteur]
Chinese Academy of Sciences [Beijing] [CAS]
Sun, Bin [Auteur]
Leipziger Institut für Meteorologie [LIM]
Chinese Academy of Sciences [Beijing] [CAS]
Wu, Yanke [Auteur]
Guangdong Ocean University
Xu, Hua [Auteur]
Chinese Academy of Sciences [Beijing] [CAS]
Xie, Yisong [Auteur]
Chinese Academy of Sciences [Beijing] [CAS]
Goloub, Philippe [Auteur]

Laboratoire d'Optique Atmosphérique (LOA) - UMR 8518
Wendisch, Manfred [Auteur]
Leipziger Institut für Meteorologie [LIM]
Journal title :
Journal of Quantitative Spectroscopy and Radiative Transfer
Abbreviated title :
J. Quant. Spectrosc. Radiat. Transf.
Volume number :
209
Publication date :
2018-04-01
ISSN :
0022-4073
English keyword(s) :
Polarization
Sun-sky radiometer
Calibration
Stokes parameter
Aerosol detection
Sun-sky radiometer
Calibration
Stokes parameter
Aerosol detection
HAL domain(s) :
Physique [physics]
English abstract : [en]
In this study errors of the relative orientations of polarizers in the Cimel polarized sun-sky radiometers are measured and introduced into the Mueller matrix of the instrument. The linearly polarized light with different ...
Show more >In this study errors of the relative orientations of polarizers in the Cimel polarized sun-sky radiometers are measured and introduced into the Mueller matrix of the instrument. The linearly polarized light with different polarization directions from 0° to 180° (or 360°) is generated by using a rotating linear polarizer in front of an integrating sphere. Through measuring the referential linearly polarized light, the errors of relative orientations of polarizers are determined. The efficiencies of the polarizers are obtained simultaneously. By taking the error of relative orientation into consideration in the Mueller matrix, the accuracies of the calculated Stokes parameters, the degree of linear polarization, and the angle of polarization are remarkably improved. The method may also apply to other polarization instruments of similar types.Show less >
Show more >In this study errors of the relative orientations of polarizers in the Cimel polarized sun-sky radiometers are measured and introduced into the Mueller matrix of the instrument. The linearly polarized light with different polarization directions from 0° to 180° (or 360°) is generated by using a rotating linear polarizer in front of an integrating sphere. Through measuring the referential linearly polarized light, the errors of relative orientations of polarizers are determined. The efficiencies of the polarizers are obtained simultaneously. By taking the error of relative orientation into consideration in the Mueller matrix, the accuracies of the calculated Stokes parameters, the degree of linear polarization, and the angle of polarization are remarkably improved. The method may also apply to other polarization instruments of similar types.Show less >
Language :
Anglais
Audience :
Internationale
Popular science :
Non
Administrative institution(s) :
CNRS
Université de Lille
Université de Lille
Collections :
Submission date :
2024-01-30T11:45:51Z
2024-02-26T14:16:21Z
2024-02-26T14:16:21Z
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