Propagation And Scattering Of Narrow Light Beams In Aerosol Media

Luc R Bissonnette

doi:10.1117/12.945770

10 August 1988 Propagation And Scattering Of Narrow Light Beams In Aerosol Media

Luc R Bissonnette

Proceedings Volume 0926, Optical, Infrared, Millimeter Wave Propagation Engineering; (1988) https://doi.org/10.1117/12.945770
Event: 1988 Technical Symposium on Optics, Electro-Optics, and Sensors, 1988, Orlando, FL, United States

Abstract

This paper reviews the derivation and validation of a model for beam propagation in aerosol media. The model is a paraxial approximation to the radiative transfer equation. The main feature is the representation of the power flux in the direction normal to the propagation axis by a diffusion process. Coupled partial differential equations are obtained for the forward and backward flux densities. The solutions are compared to beam profile and backscatter measurements performed in laboratory-generated water droplet clouds and to transmittance measurements in falling snow. The effects of optical depth, cloud inhomogeneity, wavelength and receiver field of view are studied. In all cases, the agreement between predictions and experimental data is very good.

Citation Download Citation

Luc R Bissonnette "Propagation And Scattering Of Narrow Light Beams In Aerosol Media", Proc. SPIE 0926, Optical, Infrared, Millimeter Wave Propagation Engineering, (10 August 1988); https://doi.org/10.1117/12.945770

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