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Imaging through scattering medium based on lensless Fourier transform digital holography
Zhang, Hui1,2; Wang, Ruiduo1; Zhang, Zaikun1,2; He, Zhengquan1
2022
会议名称7th Asia Pacific Conference on Optics Manufacture, APCOM 2021
会议录名称Seventh Asia Pacific Conference on Optics Manufacture, APCOM 2021
卷号12166
会议日期2021-10-28
会议地点Shanghai, China
出版者SPIE
产权排序1
摘要

Recovering information of an object hidden behind turbid media has a vast range of applications. People have been trying many ways to achieve this goal. In this paper, we use lensless Fourier transform digital holography and statistical average to retrieve object information from speckle field. The relationship between parameters of ground glass and peak signal-tonoise ratio of reconstructed image is explored by establishing a rotating ground glass interferometric imaging system. The light beam emitted from the laser is divided into two beams by the beam splitter. One beam passes through the rotating ground glass after being reflected by the object (i.e. object light), and the other beam passes through the reflector and convex lens as a reference light, and then interferes with the object light. Finally the interference speckle pattern is captured by a CCD camera. Experiment results show that there is an optimal solution between the rotation speed of ground glass and the peak signal-to-noise ratio of the reconstructed image.This method has the advantages of compact system construction, easy implementation and fast reconstruction, since it does not require phase correction, complex image processing, scanning object or wavefront shaping. © COPYRIGHT SPIE. Downloading of the abstract is permitted for personal use only.

关键词Turbid medium Scattering Digital holography Statistical average
作者部门先进光电与生物材料中心
DOI10.1117/12.2617699
收录类别EI ; CPCI
ISBN号9781510652088
语种英语
ISSN号0277786X;1996756X
WOS记录号WOS:000799210000205
EI入藏号20220911734953
引用统计
文献类型会议论文
条目标识符http://ir.opt.ac.cn/handle/181661/95755
专题光子功能材料与器件研究室
作者单位1.Xi'An Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an; 710119, China;
2.University of Chinese Academy of Sciences, Beijing; 100049, China
推荐引用方式
GB/T 7714
Zhang, Hui,Wang, Ruiduo,Zhang, Zaikun,et al. Imaging through scattering medium based on lensless Fourier transform digital holography[C]:SPIE,2022.
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