Chuankai Luo, Fang Lu, Chenxu Yin, Xiang'e Han. Numerical Study on Transmission Performance of Laguerre-Gaussian Beam in Non-Kolmogorov Turbulence[J]. Laser & Optoelectronics Progress, 2018, 55(12): 120101
- Laser & Optoelectronics Progress
- Vol. 55, Issue 12, 120101 (2018)
Fig. 1. Schematic of beam propagtion by numerical simulation
Fig. 2. Helical decomposition results at different distances. (a) 0 m; (b) 600 m; (c) 1200 m; (d) 1800 m
Fig. 3. Helical decomposition results after 1500 m propagation in turbulence with different Cn2. (a) Cn2=0; (b) Cn2=1×10-16; (c) Cn2=5×10-16; (d) Cn2=1×10-15
Fig. 4. Influences of turbulence parameters on topological charge detection probability. (a) Turbulence intensity Cn2; (b) generalized index α; (c) outer scale L0; (d) inner scale l0
Fig. 5. LG beam radius versus propagation distance under different turbulence intensities
Fig. 6. Schematic of scintillation index calculation principle
Fig. 7. LG beam scintillation index versus propagation distance under different turbulence intensities
Fig. 8. Bit error rate versus RSN0 under different turbulence intensities
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Table 1. Parameters for numerical simulation
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