光学学报, 2019, 39 (6): 0601004, 网络出版: 2019-06-17
径向阵列涡旋光束在大气中的传输与扩展 下载: 917次
Propagation and Spreading of Radial Vortex Beam Array in Atmosphere
图 & 表
图 3. 真空中不同距离处径向阵列涡旋光束的光场分布。(a) z=0 m,光强; (b) z=0 m,相位; (c) z=500 m,光强; (d) z=500 m,相位
Fig. 3. Light field distributions of radial vortex beam array at different propagation distances in free space. (a) z=0 m, intensity; (b) z=0 m, phase; (c) z=500 m, intensity; (d) z=500 m, phase
图 4. 真空中不同距离处径向阵列涡旋光束的光场分布。(a) z=1000 m,光强;(b) z=2000 m,光强;(c) z=5000 m,光强;(d) z=1000 m,相位;(e) z=2000 m,相位;(f) z=5000 m,相位
Fig. 4. Light field distributions of radial vortex beam array at different propagation distances in free space. (a) z=1000 m, intensity; (b) z=2000 m, intensity; (c) z=5000 m, intensity; (d) z=1000 m, phase; (e) z=2000 m, phase; (f) z=5000 m, phase
图 5. 湍流中不同传输距离处径向阵列涡旋光束的光强分布(Cn2=1×10-14 m-2/3)。(a)~(c)瞬时;(d)~(f)长曝光
Fig. 5. Light field distributions of radial vortex beam array at different propagation distances in turbulence (Cn2=1×10-14 m-2/3). (a)-(c) Instantaneous; (d)-(f) long exposure
图 6. 不同束腰宽度下相对束宽与传输距离的关系曲线。(a)单涡旋光束; (b)阵列涡旋光束
Fig. 6. Relative beam width versus transmission distance under different waist widths. (a) Single vortex beam; (b) vortex beam array
图 7. 不同拓扑荷下相对束宽与传输距离的关系曲线。(a)单涡旋光束; (b)阵列涡旋光束
Fig. 7. Relative beam width versus transmission distance under different topological charges. (a) Single vortex beam; (b) vortex beam array
图 8. 不同湍流强度下相对束宽与传输距离的关系曲线。(a)单涡旋光束; (b)阵列涡旋光束
Fig. 8. Relative beam width versus transmission distance under different turbulence intensities. (a) Single vortex beam; (b) vortex beam array
图 9. 不同湍流外尺度下相对束宽与传输距离的关系曲线。(a)单涡旋光束; (b)阵列涡旋光束
Fig. 9. Relative beam width versus transmission distance under different turbulence outer scales. (a) Single vortex beam; (b) vortex beam array
表 1数值仿真参数
Table1. Parameters for numerical simulation
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骆传凯, 卢芳, 苗志芳, 韩香娥. 径向阵列涡旋光束在大气中的传输与扩展[J]. 光学学报, 2019, 39(6): 0601004. Chuankai Luo, Fang Lu, Zhifang Miao, Xiang’e Han. Propagation and Spreading of Radial Vortex Beam Array in Atmosphere[J]. Acta Optica Sinica, 2019, 39(6): 0601004.