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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 21 — Jul. 20, 2009
  • pp: 4130–4141

Comparison of the relationships between lidar integrated backscattered light and accumulated depolarization ratios for linear and circular polarization for water droplets, fog oil, and dust

Xiaoying Cao, Gilles Roy, Nathalie Roy, and Robert Bernier  »View Author Affiliations


Applied Optics, Vol. 48, Issue 21, pp. 4130-4141 (2009)
http://dx.doi.org/10.1364/AO.48.004130


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Abstract

Recently, an empirical relationship between the layer integrated backscattered light and the layer accumulated depolarization ratio has been established for linear polarization for the case of water droplet clouds. This is a powerful relation, allowing calibration of space lidar and correction of the lidar signal for multiple scattering effects. The relationship is strongly based on Monte Carlo simulations with some experimental evidence. We support the empirical relationship with strong experimental data and then show experimentally and via second order scattering theoretical calculations that a modified relationship can be obtained for circular polarization. Also, we demonstrate that other empirical relationships exist between the layer accumulated linear and circular depolarization ratios and the layer integrated backscattered light for submicrometer particles and nonspherical particles.

© 2009 Optical Society of America

OCIS Codes
(010.3640) Atmospheric and oceanic optics : Lidar
(290.4020) Scattering : Mie theory
(290.4210) Scattering : Multiple scattering
(290.5820) Scattering : Scattering measurements
(290.5855) Scattering : Scattering, polarization
(280.1350) Remote sensing and sensors : Backscattering

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: February 5, 2009
Revised Manuscript: June 15, 2009
Manuscript Accepted: June 17, 2009
Published: July 14, 2009

Citation
Xiaoying Cao, Gilles Roy, Nathalie Roy, and Robert Bernier, "Comparison of the relationships between lidar integrated backscattered light and accumulated depolarization ratios for linear and circular polarization for water droplets, fog oil, and dust," Appl. Opt. 48, 4130-4141 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-21-4130


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References

  1. Y. Hu, Z. Liu, D. Winker, M. Vaughan, V. Noel, L. Bissonnette, G. Roy, and M. McGill, “Simple relation between lidar multiple scattering and depolarization for water clouds,” Opt. Lett. 31, 1809-1811 (2006). [CrossRef] [PubMed]
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  11. N. Roy and G. Roy, “Standoff determination of the particle size and concentration of small optical depth clouds based on double scattering measurements; validation with calibrated target plates and limitations of the technique for daytime and night time measurements,” Appl. Opt. 47, 4235-4252(2008). [CrossRef] [PubMed]
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