光学学报, 2020, 40 (13): 1329002, 网络出版: 2020-07-09
火星沙尘环境中的偏振光传输特性仿真 
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Simulation of Polarized Light Transmission Characteristics in Martian Dust Environment
图 & 表
图 1. 不同波长火星沙尘粒子光学特性随半径的变化曲线。(a)不对称因子;(b)散射系数;(c)吸收系数
Fig. 1. Optical properties of Martian dust particles varying with radius at different wavelengths. (a) Asymmetry factor; (b) scattering coefficient; (c) absorption coefficient
图 2. 不同风速下在不同粒径沙尘中偏振光随传输距离的退偏。(a) reff=2。34 μm,veff=0。86 μm; (b) reff =1。85 μm, veff=0。51 μm
Fig. 2. Degree of depolarization of polarized light varying with transmission distance in different-particle-size dust at different wind speeds. (a) reff=2。34 μm, veff=0。86 μm; (b) reff=1。85 μm, veff=0。51 μm
图 3. 不同高度不同粒子数浓度下的偏振光偏振参数随传输距离的变化。 (a)高度18 km,粒子数浓度1。8×109 m-3; (b)高度18 km,粒子数浓度1。1×109 m-3; (c)高度22 km,粒子数浓度 4。0×108 m-3; (d)高度22 km,粒子数浓度 2。2×108 m-3
Fig. 3. Polarization parameter of polarized light varying with transmission distance at different particle number concentrations and at different heights. (a) Height is 18 km, and particle number concentration is 1。8×109 m-3; (b) height is 18 km, and particle number concentration is 1。1×109 m-3; (c) height is 22 km, and particle number concentration is 4。0×108 m-3; (d) height is 22 km, and particle number concentration is 2。2×108 m-3
图 4. 不同偏振光入射下的结果。(a)水平偏振光入射时水平方向分量随传输距离的变化;(b)水平偏振光入射时垂直方向分量随传输距离的变化;(c)垂直偏振光入射时水平方向分量随传输距离的变化;(d)垂直偏振光入射时垂直方向分量随传输距离的变化
Fig. 4. Results under different polarized light. (a) Horizontal component of polarized light varying with transmission distance under light incidence with horizontal polarization;(b) vertical component of polarized light varying with transmission distance under light incidence with horizontal polarization; (c) horizontal component of polarized light varying with transmission distance under light incidence with vertical polarization; (d) vertical component of polarized light varying with transmission distance under light incidence with vertical polarization
杨玉峰, 韩安丽, 雷思辰. 火星沙尘环境中的偏振光传输特性仿真[J]. 光学学报, 2020, 40(13): 1329002. Yufeng Yang, Anli Han, Sichen Lei. Simulation of Polarized Light Transmission Characteristics in Martian Dust Environment[J]. Acta Optica Sinica, 2020, 40(13): 1329002.
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