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Interleaved segment correction achieves higher improvement factors in using genetic algorithm to optimize light focusing through scattering media
Li, Runze1,2,3; Peng, Tong1,3; Liang, Yansheng1,3; Yang, Yanlong1; Yao, Baoli1; Yu, Xianghua1; Min, Junwei1; Lei, Ming1; Yan, Shaohui1; Zhang, Chunmin2; Ye, Tong4
作者部门瞬态光学技术国家重点实验室
2017-10-01
发表期刊JOURNAL OF OPTICS
ISSN2040-8978
卷号19期号:10
产权排序1
摘要

Focusing and imaging through scattering media has been proved possible with high resolution wavefront shaping. A completely scrambled scattering field can be corrected by applying a correction phase mask on a phase only spatial light modulator (SLM) and thereby the focusing quality can be improved. The correction phase is often found by global searching algorithms, among which Genetic Algorithm (GA) stands out for its parallel optimization process and high performance in noisy environment. However, the convergence of GA slows down gradually with the progression of optimization, causing the improvement factor of optimization to reach a plateau eventually. In this report, we propose an interleaved segment correction (ISC) method that can significantly boost the improvement factor with the same number of iterations comparing with the conventional all segment correction method. In the ISC method, all the phase segments are divided into a number of interleaved groups; GA optimization procedures are performed individually and sequentially among each group of segments. The final correction phase mask is formed by applying correction phases of all interleaved groups together on the SLM. The ISC method has been proved significantly useful in practice because of its ability to achieve better improvement factors when noise is present in the system. We have also demonstrated that the imaging quality is improved as better correction phases are found and applied on the SLM. Additionally, the ISC method lowers the demand of dynamic ranges of detection devices. The proposed method holds potential in applications, such as high-resolution imaging in deep tissue.

文章类型Article
关键词Turbid Media Scattering Wavefront Control Genetic Algorithm Memory Effect
WOS标题词Science & Technology ; Physical Sciences
DOI10.1088/2040-8986/aa84dc
收录类别SCI ; EI
关键词[WOS]THIN TURBID LAYERS ; REAL-TIME ; MICROSCOPY ; WAVES
语种英语
WOS研究方向Optics
项目资助者National Basic Research Program (973 Program) of China(2012CB921900) ; Natural Science Foundation of China(81427802 ; National Institute of General Medical Sciences(R21GM-104683 ; National Science Foundation(1539034) ; 61275193 ; P20GM-103499) ; 61377008)
WOS类目Optics
WOS记录号WOS:000410913300001
引用统计
被引频次:18[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/29359
专题瞬态光学研究室
作者单位1.Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Shaanxi, Peoples R China
2.Xi An Jiao Tong Univ, Sch Sci, Xian 710049, Shaanxi, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Clemson Univ, Dept Bioengn, Clemson MUSC Bioengn Program, Charleston, SC 29425 USA
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Li, Runze,Peng, Tong,Liang, Yansheng,et al. Interleaved segment correction achieves higher improvement factors in using genetic algorithm to optimize light focusing through scattering media[J]. JOURNAL OF OPTICS,2017,19(10).
APA Li, Runze.,Peng, Tong.,Liang, Yansheng.,Yang, Yanlong.,Yao, Baoli.,...&Ye, Tong.(2017).Interleaved segment correction achieves higher improvement factors in using genetic algorithm to optimize light focusing through scattering media.JOURNAL OF OPTICS,19(10).
MLA Li, Runze,et al."Interleaved segment correction achieves higher improvement factors in using genetic algorithm to optimize light focusing through scattering media".JOURNAL OF OPTICS 19.10(2017).
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