Light scattering by ice crystals of cirrus clouds: Jones matrix

Anatoli G. Borovoi; Igor A. Grishin; Ulrich G. Oppel

doi:10.1117/12.458462

28 February 2002 Light scattering by ice crystals of cirrus clouds: Jones matrix

Anatoli G. Borovoi, Igor A. Grishin, Ulrich G. Oppel

Proceedings Volume 4678, Eighth International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; (2002) https://doi.org/10.1117/12.458462
Event: Eighth Joint International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 2001, Irkutsk, Russian Federation

Abstract

Light scattering by ice crystals of cirrus clouds is described by the geometric optics approximation with a good accuracy. This approximation is realized numerically with various ray-tracing codes. However, a majority of authors apply the ray-tracing codes not to the electromagnetic field but to its quadratic quantities, for example, to the Stokes parameters. Though this approach simplifies essentially calculation algorithms, the wave effects like diffraction and interference turn to be ignored. In this paper, ray- tracing is applied directly to the electro-magnetic field yielding the Jones matrix of the scattered field. As a result, two scattering (Mueller) matrices appear called the pure and mixed Mueller matrices. Here, the pure Mueller matrix is obtained via the Jones matrix by means of a simple transformation and the mixed one is a sum of the field quadratic quantities. A problem appears: which of the matrices is measured at lidar sounding of cirrus clouds?

Citation Download Citation

Anatoli G. Borovoi, Igor A. Grishin, and Ulrich G. Oppel "Light scattering by ice crystals of cirrus clouds: Jones matrix", Proc. SPIE 4678, Eighth International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, (28 February 2002); https://doi.org/10.1117/12.458462

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