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The analysis of free-space optical system performances requires the calculation of several metrics of the turbulence-affected collected light. One of the most useful of these metrics is the long-term beam spread in the focal plane, where the detector (or optical fiber) should be located. In this paper, we use the ABCD ray-matrix formalism to show the impact of Kolmogorov and non-Kolmogorov turbulence on the long-term beam spread in the focal plane.
Italo Toselli andSzymon Gladysz
"Long-term beam size analysis in the focal plane for atmospheric turbulence-affected laser beams", Proc. SPIE 12237, Laser Communication and Propagation through the Atmosphere and Oceans XI, 122370A (30 September 2022); https://doi.org/10.1117/12.2632455
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Italo Toselli, Szymon Gladysz, "Long-term beam size analysis in the focal plane for atmospheric turbulence-affected laser beams," Proc. SPIE 12237, Laser Communication and Propagation through the Atmosphere and Oceans XI, 122370A (30 September 2022); https://doi.org/10.1117/12.2632455