中国激光, 2019, 46 (1): 0109001, 网络出版: 2019-01-27
基于环形光瞳的光学扫描全息系统实现边缘提取 下载: 868次
Edge Extraction Based on Optical Scanning Holography System with Annular Pupils
图 & 表
图 2. 传统OSH系统的重建结果。(a)原始物体;(b)余弦全息图;(c)正弦全息图;(d)复分布全息图
Fig. 2. Reconstruction results of traditional OSH system. (a) Original object; (b) cosine-hologram; (c) sine-hologram; (d) complex hologram
图 3. 使用环形光瞳滤波器的OSH系统重建结果。(a)环形光瞳滤波器(ε=0.5)的透射率分布;(b)余弦全息图;(c)正弦全息图;(d)复分布全息图
Fig. 3. Reconstruction results of OSH system with annular pupil filter. (a) Transmission distribution of annular pupil filter with ε=0.5; (b) cosine-hologram; (c) sine-hologram; (d) complex hologram
图 4. 不同孔径比时,环形光瞳滤波器的OSH系统重建结果及归一化强度。(a)(f)传统的OSH系统;(b)(g) ε=0.1;(c)(h) ε=0.4;(d)(i) ε=0.6;(e)(j) ε=0.9
Fig. 4. Reconstruction results and normalized intensities of OSH system with annular pupil filters for different hole-diameter ratios. (a)(f) Traditional OSH system; (b)(g) ε=0.1; (c)(h) ε=0.4; (d)(i) ε=0.6; (e)(j) ε=0.9
图 5. 复杂物体的实验结果。(a)原始物体;(b)复分布全息图
Fig. 5. Experimental results of complex object. (a) Original object; (b) complex hologram
图 6. 双环形光瞳滤波器的OSH系统重建结果。(a)光瞳平面极坐标示意图;(b)~(e)复分布全息图;(f)~(i)局部复分布全息图;(j)~(m)归一化强度曲线
Fig. 6. Reconstruction results of OSH system with double annular pupil filter. (a) Polar coordinate of pupil plane; (b)-(e) complex holograms; (f)-(i) local complex holograms; (j)-(m) normalized intensities
王仁德, 张亚萍, 王帆, 祝旭锋, 李重光, 张永安, 许蔚. 基于环形光瞳的光学扫描全息系统实现边缘提取[J]. 中国激光, 2019, 46(1): 0109001. Wang Rende, Zhang Yaping, Wang Fan, Zhu Xufeng, Li Chongguang, Zhang Yong′an, Xu Wei. Edge Extraction Based on Optical Scanning Holography System with Annular Pupils[J]. Chinese Journal of Lasers, 2019, 46(1): 0109001.