光学学报, 2018, 38 (6): 0601004, 网络出版: 2018-07-09
相位屏法模拟高斯阵列光束海洋湍流传输特性 
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Propagation Properties of Gaussian Array Beams Transmitted in Oceanic Turbulence Simulated by Phase Screen Method
图 & 表
图 2. 不同光束分布示意图。 (a) 3×3矩形分布阵列光束; (b) 7束径向分布光束; (c)单高斯光束
Fig. 2. Schematic of different beam arrangements. (a) 3×3 beam array with rectangle distribution; (b) 7 beam array with radial distribution; (c) single Gaussian beam
图 3. 不同湍流条件下不同光束的平均半径。 (a) Z=10 m, ε=10-6 m2·s-3, ω=-2,η=0.001 m, λ=532 nm; (b) Z=10 m, ε=10-6 m2·s-3, χT=10-6 K2·s-1, η=0.001 m, λ=532 nm; (c) ε=10-6 m2·s-3, χT=10-6 K2·s-1, ω=-2, η=0.001 m, λ=532 nm; (d) Z=10 m, χT=10-6 K2·s-1, ω=-2, η=0.001 m, λ=532 nm
Fig. 3. Average radii of beams under different turbulence conditions. (a) Z=10 m, ε=10-6 m2·s-3, ω=-2,η=0.001 m, λ=532 nm; (b) Z=10 m, ε=10-6 m2·s-3, χT=10-6 K2·s-1, η=0.001 m, λ=532 nm; (c) ε=10-6 m2·s-3, χT=10-6 K2·s-1, ω=-2, η=0.001 m, λ=532 nm; (d) Z=10 m, χT=10-6 K2·s-1, ω=-2, η=0.001 m, λ=532 nm
图 5. 质心漂移标准差。 (a) Z=10 m, ε=10-6 m2·s-3, ω=-2, η=0.001 m, λ=532 nm; (b) Z=10 m, ε=10-6 m2·s-3, χT=10-6 K2·s-1, η=0.001 m, λ=532 nm; (c) ε=10-6 m2·s-3, χT=10-6 K2·s-1, ω=-2, η=0.001 m, λ=532 nm; (d) Z=10 m, χT=10-6 K2·s-1, ω=-2, η=0.001 m, λ=532 nm
Fig. 5. Standard deviation of spot centroid wander. (a) Z=10 m, ε=10-6 m2·s-3, ω=-2, η=0.001 m, λ=532 nm; (b) Z=10 m, ε=10-6 m2·s-3, χT=10-6 K2·s-1, η=0.001 m, λ=532 nm; (c) ε=10-6 m2·s-3, χT=10-6 K2·s-1, ω=-2, η=0.001 m, λ=532 nm; (d) Z=10 m, χT=10-6 K2·s-1, ω=-2, η=0.001 m, λ=532 nm
图 6. 数值模拟阵列光束轴上闪烁系数。 (a) Z=10 m, ε=10-6 m2·s-3, ω=-2, η=0.001 m, λ=532 nm; (b) Z=10 m, ε=10-6 m2·s-3, χT=10-6 K2·s-1, η=0.001 m, λ=532 nm; (c) ε=10-6 m2·s-3, χT=10-6 K2·s-1, ω=-2, η=0.001 m, λ=532 nm; (d) Z=10 m, χT=10-6 K2·s-1, ω=-2, η=0.001 m, λ=532 nm
Fig. 6. Numerical simulation of on-axis scintillation index of beam array. (a) Z=10 m, ε=10-6 m2·s-3, ω=-2, η=0.001 m, λ=532 nm; (b) Z=10 m, ε=10-6 m2·s-3, χT=10-6 K2·s-1, η=0.001 m, λ=532 nm; (c) ε=10-6 m2·s-3, χT=10-6 K2·s-1, ω=-2, η=0.001 m, λ=532 nm; (d) Z=10 m, χT=10-6 K2·s-1, ω=-2, η=0.001 m, λ=532 nm
牛超君, 卢芳, 韩香娥. 相位屏法模拟高斯阵列光束海洋湍流传输特性[J]. 光学学报, 2018, 38(6): 0601004. Chaojun Niu, Fang Lu, Xiang'e Han. Propagation Properties of Gaussian Array Beams Transmitted in Oceanic Turbulence Simulated by Phase Screen Method[J]. Acta Optica Sinica, 2018, 38(6): 0601004.
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