Some Effects On Laser Propagation Of Turbulence Due To Wave Breaking

John R Grant

doi:10.1117/12.943867

8 April 1988 Some Effects On Laser Propagation Of Turbulence Due To Wave Breaking

John R Grant

Proceedings Volume 0874, Nonlinear Optical Beam Manipulation, Beam Combining, and Atmospheric Propagation; (1988) https://doi.org/10.1117/12.943867
Event: 1988 Los Angeles Symposium: O-E/LASE '88, 1988, Los Angeles, CA, United States

Abstract

Results of numerical calculations of internal wave breaking and turbulence production in the mesosphere are used to compute parameters describing the propagation of a laser beam from the ground upward. Peak values of C2n of about 7 x 10-18m-2/3 at a height near 40 km. are computed. The impact of the wave breaking is greatest on parameters described by integrals with height-weighted integrands; the isoplanatic angle is reduced by 75% below the value it has before breaking commences. On the other hand, the variance of the log relative amplitude is increased by 5%, and the transverse coherence length is decreased by a like amount.

Citation Download Citation

John R Grant "Some Effects On Laser Propagation Of Turbulence Due To Wave Breaking", Proc. SPIE 0874, Nonlinear Optical Beam Manipulation, Beam Combining, and Atmospheric Propagation, (8 April 1988); https://doi.org/10.1117/12.943867

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