Analytical study on the upward laser beam propagation in the turbulent atmosphere
Qian Li,
Zhixiang Zhang,
Yixuan Li
et al.
Abstract:The upward laser beam propagation in the turbulent atmosphere is studied analytically, where the nonlinear self-focusing, the atmospheric turbulence, and the atmospheric extinction effects are all taken into account. The analytical propagation expression of intensity is derived. The initial beam defocusing and the optimal beam power are two methods to improve the beam quality at the target. The analytical expressions of the focal length considering the initial beam defocusing and the corresponding target inten… Show more
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