Abstract-Emission of electromagnetic radiation, especially laser beam in a turbulent atmosphere has always faced challenges. Radiation above the atmosphere by releasing physical phenomena such as diffraction and turbulence, is distorted in a random, in which case there is no analytical solution for Fresnel integrals. The numerical solution to these problems, the resourceful. To evaluate the effect of the turbulent atmosphere on the laser beam using polynomials Zernike and MATLAB programming atmosphere to help troubled that consists of random phase plates, to be simulated. The purpose of this paper is to measure the adaptive optics system Strehl ratio. In order to simulate the turbulent atmosphere in terms of Consider appropriate units of quantities depending on the system studied is Strehl.

Keywords: atmosphere turbulence, a random phase plates, Zernike polynomials, adaptive optics system, the Strehl ratio.

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