Aberrated beam propagation through turbulence and comparison of Monte Carlo simulations to field test measurements
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Mosavi, Nelofar, Charles Nelson, Brian S. Marks, Bradley G. Boone, and Curtis R. Menyuk. “Aberrated Beam Propagation through Turbulence and Comparison of Monte Carlo Simulations to Field Test Measurements.” Optical Engineering 53, no. 8 (August 2014): 086108. https://doi.org/10.1117/1.OE.53.8.086108.
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This work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.
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Abstract
Optical beam spread and beam quality factor in the presence of both an initial quartic phase aberration and atmospheric turbulence are studied. We obtain the analytical expressions for both beam radius-squared and the beam quality factor using the moment method, and we compare these expressions with the results from Monte Carlo simulations, which allow us to mutually validate the theory and the Monte Carlo simulation codes. We then analyze the first- and second-order statistical moments of the fluctuating intensity of a propagating laser beam and the probability density function versus intensity as the beam propagates through a turbulent atmosphere with constant C²ₙ. At the end, we compare our analytical expression and our simulations with field test experimental results, and we find a good agreement.