Atmospheric Effects On Laser Propagation

Thomas J. Karr

doi:10.1117/12.951736

8 August 1989 Atmospheric Effects On Laser Propagation

Thomas J. Karr

Proceedings Volume 1060, Nonlinear Optical Beam Manipulation and High Energy Beam Propagation Through the Atmosphere; (1989) https://doi.org/10.1117/12.951736
Event: OE/LASE '89, 1989, Los Angeles, CA, United States

Abstract

The linearized theory of thermal blooming instabilities is reviewed. The dispersion relation is derived for unstable modes with and without correction. Perfect phase-only correction is unstable at all spatial scales, while perfect field conjugation is stable at all scales. Various atmospheric phenomena such as turbulence, diffusion and wind shear may mitigate or dampen the instabilities. Full nonlinear time-dependent computer simulations of laser atmospheric propagation agree with the dispersion relation for small perturbations, and show saturation and nonlinear mode beating at long times.

Citation Download Citation

Thomas J. Karr "Atmospheric Effects On Laser Propagation", Proc. SPIE 1060, Nonlinear Optical Beam Manipulation and High Energy Beam Propagation Through the Atmosphere, (8 August 1989); https://doi.org/10.1117/12.951736

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