A new method of calculating the orbital angular momentum spectra of Laguerre–Gaussian beams in channels with atmospheric turbulence

Cui Xiao-zhou^{1, 2}, Yin Xiao-li^{1, 2, 3, †}, Chang Huan^{1, 2}, Zhang Zhi-chao^{1, 2}, Wang Yong-jun^{1, 2, 3}, Wu Guo-hua^{1, 3}

(color online) Characteristics of OAM beams: (a) intensity profile of a pure OAM beam, (b) intensity distribution of a pure OAM beam, and (c) intensity distribution of an OAM beam under atmospheric turbulence.