Abstract
Irradiance variance for optical propagation through atmospheric turbulence is calculated by numerical simulation. Let l0 be the inner scale, Rf be the Fresnel scale, and β02 be the weak-fluctuation irradiance variance at zero inner scale. Then results in the strong-focusing regime just past the peak can be summarized by σI2 = 1.74 − 0.092β0 + 0.60(l0/Rf) for a plane wave and σI2 = 3.02 − 0.35β0 + 5.56(l0/Rf) for a point source. These numerical results are in excellent agreement with experimental results.
© 1993 Optical Society of America
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