Simulation and Analysis of Nonlinear Effects of Laser Atmospheric Propagation,

Abstract

Simulation of the nonlinear effects of laser atmospheric propagation is reported in this paper. A set of atmospheric hydrodynamic equations and the nonlinear electromagnetic wave equation for interaction with the atmosphere are given. The wave equation describing small-perturbation instability induced by stimulated thermal Rayleigh scattering (STRS)is derived. Also, turbulence is theoretically treated. Based on these equations, we performed a set of 4D programs (TURBLM) to simulate thermal blooming and phase compensation for it, small-perturbation instability, and the interaction of turbulence with thermal blooming. The simulated results are in agreement with theory and experiment.

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Document Details

Document Type
Technical Report
Publication Date
Oct 08, 1996
Accession Number
ADA321178

Entities

People

  • Jiang Shaoen
  • Sun Jingwen

Organizations

  • National Air and Space Intelligence Center

Tags

Communities of Interest

  • Energy and Power Technologies
  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Atmospheres
  • Atmospheric Motion
  • Blooming
  • Diffraction
  • Distortion
  • Equations
  • Frequency Shift
  • Instability
  • Laser Beams
  • Perturbations
  • Rayleigh Scattering
  • Scattering
  • Simulations
  • Thermal Blooming
  • Turbulence
  • Wave Equations
  • Wind Direction

Fields of Study

  • Physics

Readers

  • Calculus or Mathematical Analysis
  • Optical Physics and Photonics.
  • Wave Propagation and Nonlinear Chaotic Dynamics.

Technology Areas

  • Directed Energy