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Related Experiment Video

Updated: Jun 16, 2026

Scattering And Absorption of Light in Planetary Regoliths

Scattering And Absorption of Light in Planetary Regoliths

Published on: July 1, 2019

Polarization properties of lidar backscattering from clouds.

S R Pal, A I Carswell

|February 4, 2010

Summary

Cloud lidar measurements reveal significant depolarization, indicating multiple scattering contributions. Polarization signatures show promise for classifying different cloud types.

Area of Science:

Atmospheric optics
Remote sensing

Background:

Lidar technology enables atmospheric studies.
Cloud properties influence climate and weather.
Polarization of scattered light contains information about the scattering medium.

Purpose of the Study:

To measure polarization properties of lidar backscatter from clouds.
To investigate the relationship between depolarization and cloud characteristics.
To assess the utility of polarization signatures for cloud classification.

Main Methods:

Transmitted a linearly polarized ruby laser pulse (694.3 nm).
Measured backscattered light using a three-channel receiver.
Analyzed polarization components parallel, perpendicular, and at 45 degrees to the transmitted signal.

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Published on: June 6, 2017

Polarization-Sensitive Two-Photon Microscopy for a Label-Free Amyloid Structural Characterization

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Last Updated: Jun 16, 2026

Scattering And Absorption of Light in Planetary Regoliths

Scattering And Absorption of Light in Planetary Regoliths

Published on: July 1, 2019

Scanning Light Scattering Profiler (SLPS) Based Methodology to Quantitatively Evaluate Forward and Backward Light Scattering from Intraocular Lenses

Scanning Light Scattering Profiler (SLPS) Based Methodology to Quantitatively Evaluate Forward and Backward Light Scattering from Intraocular Lenses

Published on: June 6, 2017

Polarization-Sensitive Two-Photon Microscopy for a Label-Free Amyloid Structural Characterization

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Published on: September 8, 2023

Main Results:

Observed substantial depolarization ratios (up to 0.5).
Deduced the contribution of multiple scattering from spatial variations in depolarization.
Found wide variations in polarization properties across different cloud types.

Conclusions:

Lidar depolarization measurements provide insights into cloud structure.
Multiple scattering significantly impacts cloud lidar signals.
Polarization signatures are valuable for cloud characterization and classification.