Ke-Jin Zhang, Lei Liu, Qing-Wei Zeng, Tai-Chang Gao, Shuai Hu, Ming Chen. Influence of different scattering medium on propagation characteristics to femtosecond laser pulses [J]. Acta Physica Sinica, 2019, 68(19): 194207-1
- Acta Physica Sinica
- Vol. 68, Issue 19, 194207-1 (2019)
Fig. 1. Stratified-medium model. Δz is distance between screens, L is the width of the screen.
分层传输模式概念图 Δz 为屏间距, L 为散射屏的宽度
Fig. 2. (a) Scattering on light field by particles; (b) Use the scattering phase function to obtain forward scattering angle of particles with different sizes.(a)粒子对激光光场的散射扰动图; (b)利用散射相函数获得不同粒径粒子(100, 15, 10, 5 μm)的前向散射角
Fig. 3. Size distributions of different scattering medium: (a) Cloud; (b) Fog; (c) Rain; (d) Aerosol.不同散射介质的粒子谱分布图 (a)云; (b)雾; (c)雨; (d)气溶胶
Fig. 4. (a) The peak intensity on axis as a function of the propagation distance in different scattering medium, I 0 = 5.2 × 1012 W/cm2; (b) The laser energy as a function of the propagation distance in different scattering medium.
(a)不同散射介质内飞秒激光轴上峰值光强随传播距离的变化, I 0 = 5.2 × 1012 W/cm2; (b)不同散射介质内激光能量随传输距离的变化
Fig. 5. Fluence distribution F /F 0 as a function of the propagation distance in different scattering medium: (a) Rain; (b) Ice-cloud; (c) Water-cloud; (d) Fog; (e) Aerosol; (f) Clear air. F 0 = 0.592 J/cm2.
不同散射场中光丝的截面能流随传播距离的变化 (a)降雨; (b)冰云; (c)水云; (d)雾; (e)气溶胶; (f)干净空气; F 0 = 0.592 J/cm2
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Table 1.
Size distributions parameters.
粒子谱函数参数
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