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Fast simulation of a kolmogorov phase screen

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Abstract

A previously presented method for modeling Kolmogorov phase fluctuations over a fin!ite aperture is both formalized and improved on. The method relies on forming an initial low-resolution Kolmogorov phase screen from direct factorization of a covariance. The resolution of the screen is then increased by a randomized interpolation to produce a Kolmogorov phase screen of the desired size. The computational requirement is asymptotically proportional to the number of points in the phase screen.

© 1999 Optical Society of America

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