Gudimetla V S, Holmes J F, Fossey M E, Pincus P A
Appl Opt. 1992 Mar 20;31(9):1286-93. doi: 10.1364/AO.31.001286.
A theoretical expression for the covariance of the received intensity of a partially coherent laser speckle pattern after propagation through the turbulent atmosphere is developed. It is shown that the atmospheric perturbation on a partially coherent speckle pattern can be decomposed into a coherent term and an incoherent term. The dependence of contributions of these components on the level of turbulence, vacuum speckle-contrast ratio, and detector spacing is studied in detail and the results are compared with the available experimental data.