Articles | Volume 11, issue 1
Atmos. Meas. Tech., 11, 265–289, 2018
https://doi.org/10.5194/amt-11-265-2018
Atmos. Meas. Tech., 11, 265–289, 2018
https://doi.org/10.5194/amt-11-265-2018

Research article 15 Jan 2018

Research article | 15 Jan 2018

In-flight calibration of SCIAMACHY's polarization sensitivity

Patricia Liebing et al.

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Revised manuscript accepted for AMT
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Cited articles

Bovensmann, H., Burrows, J. P., Buchwitz, M., Frerick, J., Noël, S., Rozanov, V. V., Chance, K. V., and Goede, A. H. P.: SCIAMACHY – Mission Objectives and Measurement Modes, J. Atmos. Sci., 56, 127–150, 1999.
Cox, C. and Munk, W.: Measurement of the Roughness of the Sea Surface from Photographs of the Sun's Glitter, J. Opt. Soc. Am., 44, 838–850, https://doi.org/10.1364/JOSA.44.000838, 1954.
Emde, C. and Mayer, B.: Simulation of solar radiation during a total eclipse: a challenge for radiative transfer, Atmos. Chem. Phys., 7, 2259–2270, https://doi.org/10.5194/acp-7-2259-2007, 2007.
Frouin, R. (Ed.): In-flight Calibration of Satellite Ocean-Colour Sensors, Vol. No. 14 of Reports of the International Ocean Colour Coordinating Group, IOCCG, Dartmouth, Canada, available at: http://www.ioccg.org/reports/IOCCG_Report_14_2013.pdf (last access: 7 January 2018), 2013.
Gottwald, M. and Bovensmann, H. (Eds.): SCIAMACHY – Exploring the Changing Earth's Atmosphere, Springer, Dordrecht Heidelberg London New York, https://doi.org/10.1007/978-90-481-9896-2, 2011.
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This article describes a method to determine the polarization sensitivity of SCIAMACHY, a spectrometer on Envisat, from in-orbit data. Polarization is a preference of a direction in which light oscillates, and many optical instruments suffer from a dependence of their measured signals on this. To measure and correct for this effect, a statistical analysis of in-flight data combined with a model of the atmosphere and the instrument was performed, showing that the instrument changed after launch.