Depolarization
Atmospheric and Meteorological Lidar Backscatter lidar for aerosols and clouds

Article REF: E4311 V2

Depolarization
Atmospheric and Meteorological Lidar Backscatter lidar for aerosols and clouds

Author : Pierre H. FLAMANT

Publication date: February 10, 2020 | Lire en français

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18. Depolarization

18.1 Lidar depolarization ΔL(r)

The depolarization of the backscattered light is measured by separating the polarization-parallel and polarization-perpendicular components of the probing laser radiation at the receiving end, using a polarizing element.

The two LRAN signals are written :

\begin{array}{l} s_{L, ∥} (r) r^{2} = K_{∥} [β_{π, p, ∥} (r) + β_{π, m, ∥} (r)] T_{m}^{2} (0, r) T_{p}^{2} (0, r) \\ s_{L, ⊥} (r) r^{2} = K_{⊥} [β_{π, p, ⊥} (r) + β_{π, m, ⊥} (r)] T_{m}^{2} (0, r) T_{p}^{2} (0, r) \end{array}

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Bibliography

Bibliography

(1) - FUJII (T.), FUKUCHI (T.) - Laser remote sensing, - Taylor & Francis, Boca Raton, FL, USA (Ed.) (2005).
(2) - HINKLEY (E.D.) - Laser monitoring of the atmosphere, - Springer-Verlag, Berlin (Ed.) (1976)....

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