A new method of calculating the orbital angular momentum spectra of Laguerre–Gaussian beams in channels with atmospheric turbulence
Cui Xiao-zhou1, 2, Yin Xiao-li1, 2, 3, †, Chang Huan1, 2, Zhang Zhi-chao1, 2, Wang Yong-jun1, 2, 3, Wu Guo-hua1, 3
       

(color online) Overall error e for l0 = 5, 10, 15, and 20: (a) weak/medium turbulence, (b) strong turbulence.