Speckle characteristics of simulated deep Fresnel region under shadowing effect

Zengshun Jiang; Xingqi An; Yuqin Zhang; Xuan Liu; Xifeng Qin; Yanjie Zhao; Huilin Wang; Guiyuan Liu; Hongsheng Song

doi:doi:10.3788/COL202119.041404

Chinese Optics Letters, 2021, 19 (4): 041404, Published Online: Feb. 4, 2021

Speckle characteristics of simulated deep Fresnel region under shadowing effect Download： 580次

Zengshun Jiang Xingqi An Yuqin Zhang Xuan Liu Xifeng Qin Yanjie Zhao Huilin Wang Guiyuan Liu Hongsheng Song ^*

Author Affiliations

School of Science, Shandong Jianzhu University, Jinan 250101, China

Figures & Tables

Fig. 1. (a) Random surface with $α$ of 1.0, $ξ$ of 0.5 µm, and $ω$ of 0.2 µm; (b) random surface with $α$ of 1.0, $ξ$ of 0.5 µm, and $ω$ of 0.3 µm.

下载图片查看原文

Fig. 7. Intensity probability distributions of Gaussian speckle, experimentally measured speckle, and DFRSs, which are generated on surfaces with a roughness of 0.3 µm at different scattering distances.

下载图片查看原文

Fig. 8. (a) and (c) are random surface height fluctuations with roughness of 0.2 µm and 0.3 µm, respectively. (b) and (d) are the speckle intensity distribution at $z = λ / 2$ and $z = 3 λ / 5$ .

下载图片查看原文

Zengshun Jiang, Xingqi An, Yuqin Zhang, Xuan Liu, Xifeng Qin, Yanjie Zhao, Huilin Wang, Guiyuan Liu, Hongsheng Song. Speckle characteristics of simulated deep Fresnel region under shadowing effect[J]. Chinese Optics Letters, 2021, 19(4): 041404.

Speckle characteristics of simulated deep Fresnel region under shadowing effect Download： 580次

Fig. 1. (a) Random surface with $α$ of 1.0, $ξ$ of 0.5 µm, and $ω$ of 0.2 µm; (b) random surface with $α$ of 1.0, $ξ$ of 0.5 µm, and $ω$ of 0.3 µm.

Fig. 2. Shadowing effect of the surface.

Fig. 3. Use slope to judge the shadowing effect.

Fig. 4. Generation process of DFRS.

Fig. 5. DFRS at different scattering distances.

Fig. 6. DFRS measurement system.

Fig. 7. Intensity probability distributions of Gaussian speckle, experimentally measured speckle, and DFRSs, which are generated on surfaces with a roughness of 0.3 µm at different scattering distances.

Fig. 8. (a) and (c) are random surface height fluctuations with roughness of 0.2 µm and 0.3 µm, respectively. (b) and (d) are the speckle intensity distribution at $z = λ / 2$ and $z = 3 λ / 5$ .

关于本站 Cookie 的使用提示

全站搜索

Speckle characteristics of simulated deep Fresnel region under shadowing effect Download： 580次

Fig. 1. (a) Random surface with α of 1.0, ξ of 0.5 µm, and ω of 0.2 µm; (b) random surface with α of 1.0, ξ of 0.5 µm, and ω of 0.3 µm.

Fig. 2. Shadowing effect of the surface.

Fig. 3. Use slope to judge the shadowing effect.

Fig. 4. Generation process of DFRS.

Fig. 5. DFRS at different scattering distances.

Fig. 6. DFRS measurement system.

Fig. 7. Intensity probability distributions of Gaussian speckle, experimentally measured speckle, and DFRSs, which are generated on surfaces with a roughness of 0.3 µm at different scattering distances.

Fig. 8. (a) and (c) are random surface height fluctuations with roughness of 0.2 µm and 0.3 µm, respectively. (b) and (d) are the speckle intensity distribution at z=λ/2 and z=3λ/5.

相关论文

相关资讯

关于本站 Cookie 的使用提示

全站搜索

Fig. 1. (a) Random surface with $α$ of 1.0, $ξ$ of 0.5 µm, and $ω$ of 0.2 µm; (b) random surface with $α$ of 1.0, $ξ$ of 0.5 µm, and $ω$ of 0.3 µm.

Fig. 8. (a) and (c) are random surface height fluctuations with roughness of 0.2 µm and 0.3 µm, respectively. (b) and (d) are the speckle intensity distribution at $z = λ / 2$ and $z = 3 λ / 5$ .