Teng-fei LU, Yong-xin LIU, Ji-xiong PU. Experimental Study on Scintillation Index of Vortex Beam Propagation in Underwater Turbulence[J]. Acta Photonica Sinica, 2019, 48(12): 1214004
- Acta Photonica Sinica
- Vol. 48, Issue 12, 1214004 (2019)
Fig. 1. Experimental device of vortex beam propagation in underwater turbulence
Fig. 2. The scintillation of the vortex beam with m =2 transmitted to 10.8 meters in strong underwater turbulence
Fig. 3. m =2的涡旋光束在不同强度的水下湍流中传输到5.4 m时的光斑图Spot pattern of vortex beam with m =2 transmitted to 5.4 m in underwater with different turbulence
Fig. 4. 涡旋光束和高斯光束在不同强度的水下湍流中的闪烁因子随传输距离的变化情况Variation of scintillation index of vortex beam and Gaussian beam in the underwater with different turbulence versus propagation distance
Fig. 5. m =4及m =6的涡旋光束在不同强度的水下湍流中的闪烁因子对比Comparison of scintillation index of vortex beams m =4 and m =6 in the underwater with different turbulence
Fig. 6. 不同拓扑荷数的涡旋光束的闪烁因子随传输距离的变化情况Changes of scintillation index of vortex beams with different topological charges along with the transmission distance
Fig. 7. 拓扑荷数m =6的涡旋光束传输距离为5.4 m时，其径向闪烁因子的变化情况Schematic diagram of radial scintillation index of vortex beam with topological charge m =6 when the propagation distance z =5.4 m
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