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Applied Optics

Applied Optics


  • Vol. 38, Iss. 24 — Aug. 20, 1999
  • pp: 5202–5211

Retrieval of droplet-size density distribution from multiple-field-of-view cross-polarized lidar signals: theory and experimental validation

Gilles Roy, Luc Bissonnette, Christian Bastille, and Gilles Vallée  »View Author Affiliations

Applied Optics, Vol. 38, Issue 24, pp. 5202-5211 (1999)

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Multiple-field-of-view (MFOV) secondary-polarization lidar signals are used to calculate the particle-size density distribution (PSD) at the base of a cloud. At the cloud base, multiple scattering is weak and single backscattering is predominant by many orders of magnitude. Because secondary polarization is a direct measure of multiple scattering, it is therefore advantageous to use secondary polarization. A mathematical relation among the PSD, the lidar fields of view, the scattering angles, and the angular depolarization is derived to facilitate use of secondary polarization. The model is supported by experimental MFOV lidar measurements carried out in a controlled environment, and its limitations and restrictions are discussed.

© 1999 Optical Society of America

OCIS Codes
(280.0280) Remote sensing and sensors : Remote sensing and sensors
(280.1100) Remote sensing and sensors : Aerosol detection
(280.3640) Remote sensing and sensors : Lidar
(290.4210) Scattering : Multiple scattering

Original Manuscript: November 12, 1998
Revised Manuscript: April 13, 1999
Published: August 20, 1999

Gilles Roy, Luc Bissonnette, Christian Bastille, and Gilles Vallée, "Retrieval of droplet-size density distribution from multiple-field-of-view cross-polarized lidar signals: theory and experimental validation," Appl. Opt. 38, 5202-5211 (1999)

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