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基于运动轨迹可调式随机相位板的赝热光鬼成像实验研究

Experimental Research on Pseudo-Thermal Light Ghost Imaging with Random Phase Plate Based on Variable Motion Trail

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摘要

为了保证采样的独立性,目前基于随机相位板的赝热光鬼成像系统是以每次移动不小于一个激光光斑大小进行相位调制的形式来产生高亮度的赝热光源。通过旋转、平移两台电机控制随机相位板的运动轨迹,搭建了一种运动轨迹可调的随机相位板赝热光鬼成像实验平台。基于差分鬼成像和稀疏约束鬼成像重构算法,从实验角度对比分析了随机相位板的偏移量Δx 对赝热光鬼成像质量的影响。数值模拟和实验结果均表明,在相同的采样压缩比下,当随机相位板的偏移量Δx 不大于物面处的散斑大小Δxs 时,成像质量随着Δx 的增大而提高;而当Δx 大于Δxs时,随着Δx 的增大,成像质量几乎不变。此外,稀疏约束鬼成像质量优于相同采样数下的差分鬼成像质量。

Abstract

In order to ensure the independence of every sampling, ghost imaging system with repeatable pseudothermal light based on random phase plate moves one laser spot in each sampling to produce pseudo-thermal light. By using rotating motor and linear motor to control motion trail of random phase plate, an experimental platform is established. Based on differential ghost imaging linear reconstruction algorithm and nonlinear sparsity constraints reconstruction algorithm, the influence of different offset value Δx of the random phase plate on the quality of ghost imaging is studied researched. The results of the simulation and experimental results demonstrate that in the case of the same compression ratio, when Δx is no more than the speckle size Δxs , the imaging quality enhances with increasing Δx , and when Δx is larger than Δxs , the imaging quality almost does not change with increasing Δx. Besides, in the case of the same sampling, the imaging quality by using nonlinear sparsity constraints reconstruction algorithm is better than that by using differential ghost imaging linear reconstruction algorithm.

Newport宣传-MKS新实验室计划
补充资料

中图分类号:O436

DOI:10.3788/aos201535.0711005

所属栏目:成像系统

责任编辑:张雁  信息反馈

基金项目:国家863计划(2013AA122901)

收稿日期:2015-01-21

修改稿日期:2015-03-14

网络出版日期:--

作者单位    点击查看

吴楠:中国科学院上海光学精密机械研究所量子光学重点实验室, 上海 201800
龚文林:中国科学院上海光学精密机械研究所量子光学重点实验室, 上海 201800
韩申生:中国科学院上海光学精密机械研究所量子光学重点实验室, 上海 201800

联系人作者:吴楠(wunan7@hotmail.com)

备注:吴楠(1990-),男,硕士研究生,主要从事关联成像方面的研究。

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引用该论文

Wu Nan,Gong Wenlin,Han Shensheng. Experimental Research on Pseudo-Thermal Light Ghost Imaging with Random Phase Plate Based on Variable Motion Trail[J]. Acta Optica Sinica, 2015, 35(7): 0711005

吴楠,龚文林,韩申生. 基于运动轨迹可调式随机相位板的赝热光鬼成像实验研究[J]. 光学学报, 2015, 35(7): 0711005

被引情况

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【2】王凯,黎全,林惠祖,孙帅,段振涛,高少博. 基于遗传算法的空间光调制器鬼成像研究. 光学学报, 2016, 36(2): 227002--1

【3】杨旭,张勇,杨成华,徐璐,王强,刘越豪,赵远. 多波长光源提高关联成像的成像质量. 中国激光, 2016, 43(3): 314002--1

【4】张伟良,张闻文,何睿清,陈钱. 基于局部Hadamard 调制的迭代去噪鬼成像. 光学学报, 2016, 36(4): 411001--1

【5】梅笑冬,龚文林,严毅,韩申生,曹清. 可预置强度关联激光三维成像雷达实验研究. 中国激光, 2016, 43(7): 710003--1

【6】赵 鑫,喻 虹,陆荣华,谈志杰,韩申生,曹 清. X光傅里叶变换关联成像赝热光源研究. 光学学报, 2017, 37(5): 511001--1

【7】梁振宇,樊 祥,程正东,朱 斌,陈 熠. 任意阶运动目标强度关联成像. 红外与激光工程, 2017, 46(8): 824002--1

【8】龚文林,王成龙,梅笑冬,潘龙,王鹏威,陈明亮,薄遵望,李望,高昕,韩申生. 面向实际应用的GISC Lidar近期研究进展与思考. 红外与激光工程, 2018, 47(3): 302001--1

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