Abstract
A method utilizing a Hartmann sensor for obtaining estimates of the external scale L 0 of turbulent fluctuations and the structural constant C n 2 during the variation of the parameters of the wavefront of a light beam that has passed through turbulence is suggested. The method is based on Zernike polynomial decomposition of phase fluctuations at the given aperture and on analysis of this expansion coefficient’s statistics. Application of the method for making an estimate of the turbulence characteristics in a water cell yielded results that are in good agreement with the estimates obtained by other methods.
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