Multiple-Scattering Laser Propagation Model and Comparison with Laboratory Measurements,

Abstract

A multiple scattering laser propagation model is developed in the form of three simultaneous partial differential equations for the reduced field amplitude, the forward and the backscattered irradiances. The scattering and diffusion coefficients are defined in terms of Mie functions, and reduction factors are derived to take into account detection at limited fields of view. Solutions for transmitted beam profiles and integrated backscatter are compared with measurements performed on laboratory generated water droplet clouds at 0.63, 1.06 and 10.6 micrometer. The agreement is very good for all conditions investigated, ranging from negligible to important multiple-scattering contributions.

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Document Details

Document Type
Technical Report
Publication Date
Sep 01, 1986
Accession Number
ADA172610

Entities

People

  • L. R. Bissonette

Tags

Communities of Interest

  • Air Platforms
  • C4I
  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Backscattering
  • Computational Science
  • Detectors
  • Differential Equations
  • Diffraction
  • Diffusion
  • Diffusion Coefficient
  • Equations
  • Flux Density
  • Forward Scattering
  • Laser Beams
  • Lasers
  • Optical Properties
  • Optics
  • Partial Differential Equations
  • Refractive Index
  • Simulations

Fields of Study

  • Physics

Readers

  • Aerosol Science/Aerosol Physics
  • Computational Modeling and Simulation
  • Pulsed Power and Plasma Physics.

Technology Areas

  • Directed Energy