Chinese Optics, Volume. 18, Issue 2, 343(2025)
Visible polarization characteristics of airport ground material based on BPDF correction
Fig. 1. Geometric relationship between the three scattering components
Fig. 6. Relationship between detection angle versus line polarization when the relative azimuth is 180° and incident angles are 20°, 40°, and 60°
Fig. 7. Simulation results of line polarizability in the range of at an incidence angle of 60° (left: control model; middle: modified BPDF model; right: experimental measurements)入射角为60°下，范围内线偏振度仿真结果（左侧为对照模型，中间为修正后BPDF模型，右侧为实验测量值）；
Fig. 8. Comparison between the modified model and experimental results when incident angle and detection angle both are 60°
Fig. 9. Simulation results when incidence angles are 10°, 20°, 30°, 40°, 50°, and 60° in the range of detection angles of 60° and relative azimuth angles of 90° to 270°
Fig. 10. Relationship between incident zenith angle and DOLP for a range of relative azimuth angles of 180° and detection angles of 60°. (a) 45# steel plate; (b) A3 iron plate; (c) portland cement; (d) epoxy resin
Fig. 11. Relationship between DOLP of four targets and detection angle when are 0.1, 0.3, 0.5, 0.7 and 0.9均方根粗糙度分别为0.1，0.3，0.5，0.7和0.9时，4种材料的线偏振度随探测角的变化情况
Fig. 12. Relationship between DOLP and detection angle for four kinds of objectives when
Table 1. DOLP calibration results
View tableView in ArticleTable 1. DOLP calibration results
Polarized light (DOLP) Incident light (DOLP) Emerging light Maximum error (%) 0° 1 0.966 3.4% 45° 1 0.975 2.5% 90° 1 0.972 2.8% 135° 1 0.969 3.1%
Table 2. Fitting results of parameters
View tableView in ArticleTable 2. Fitting results of parameters
材料 ${\varepsilon _{\text{i}}}$ ${\varepsilon _{\text{r}}}$ $\delta/\mu {\mathrm{m}}$ ${\delta ^*}/\mu {\mathrm{m}}$ ${{{k}}_{\rm{s}}}$ ${{{k}}_{\rm{m}}}$ ${{{k}}_{\rm{v}}}$ 45#钢板 4.56 −2.54 0.188 0.195 0.902 0.045 0.003 A3铁板 14.14 −9.55 0.302 0.306 0.521 0.334 0.015 硅酸盐水泥 1.37 1.48 0.318 0.328 0.311 0.327 0.009 环氧树脂 2.69 −1.62 0.120 0.122 0.773 0.202 0.031
Table 3. Root mean square error of simulated and measured DOLP values of four targets for different detection angles
View tableView in ArticleTable 3. Root mean square error of simulated and measured DOLP values of four targets for different detection angles
材料 RMSE1 RMSE2 精度提升/% 45#钢板 0.0634 0.0195 4.39% A3铁板 0.0514 0.0114 4.00% 硅酸盐水泥 0.0859 0.0442 4.17% 环氧树脂 0.0677 0.0151 5.26%
Table 4. Root mean square error of simulated and measured DOLP values of four targets when incidence angle changes
View tableView in ArticleTable 4. Root mean square error of simulated and measured DOLP values of four targets when incidence angle changes
材料 RMSE1 RMSE2 精度提升/% 45#钢板 0.0675 0.0214 4.61% A3铁板 0.0583 0.0148 4.35% 硅酸盐水泥 0.0573 0.0264 3.09% 环氧树脂 0.0681 0.0230 4.51%
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Hong-yang ZOU, Jun-tong ZHAN, Wen-jun LI, Su ZHANG, Qiang FU, Jin DUAN, Ying-chao LI, Hong-yu LIU. Visible polarization characteristics of airport ground material based on BPDF correction[J]. Chinese Optics, 2025, 18(2): 343
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Received: Sep. 5, 2024
Accepted: Nov. 12, 2024
Published Online: May. 19, 2025
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