On mathematical relationships between lidae integrated backscattered light and integrated depolarization ratios for linear and circular polarization for water droplets

Xiaoying Cao; Gilles Roy; Nathalie Roy; Robert Bernier

doi:10.1117/12.830109

24 September 2009 On mathematical relationships between lidae integrated backscattered light and integrated depolarization ratios for linear and circular polarization for water droplets

Xiaoying Cao, Gilles Roy, Nathalie Roy, Robert Bernier

Author Affiliations +

Proceedings Volume 7475, Remote Sensing of Clouds and the Atmosphere XIV; 74750R (2009) https://doi.org/10.1117/12.830109
Event: SPIE Remote Sensing, 2009, Berlin, Germany

Abstract

Measurements of the depolarization ratio of water droplets were performed to study the relationship between layer integrated depolarization and layer integrated backscattered light for linear and circular polarization illumination. Since those particles are spherical, the depolarization of the signal is attributed to multiple scattering effects. The experimental data reported in this article support Hu relationship between the single scattering fraction A_s and the linear accumulated depolarization ratio. For circular polarization, a modified Hu relationship is established and it is shown that the use of the accumulated depolarization parameter instead of the accumulated depolarization ratio allows harmonization of the linear and circular polarization measurements into a simple mathematical expression.

Citation Download Citation

Xiaoying Cao, Gilles Roy, Nathalie Roy, and Robert Bernier "On mathematical relationships between lidae integrated backscattered light and integrated depolarization ratios for linear and circular polarization for water droplets", Proc. SPIE 7475, Remote Sensing of Clouds and the Atmosphere XIV, 74750R (24 September 2009); https://doi.org/10.1117/12.830109

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