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Far-field super-oscillation imaging based on the super-oscillation elements and PSF feature extraction algorithm
Xie, Qingkun1,2; Wang, Jing1,2; Jiang, Yanru1,2; Liang, Jian1; Qu, Enshi1; Ren, Liyong1
Department信息光子学研究室
2018-03-01
Source PublicationJOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION
ISSN1084-7529
Volume35Issue:3Pages:491-495
Contribution Rank1
Abstract

Suffering from the limited number aperture, a resolution higher than 0.5. cannot be obtained in conventional far-field optical imaging systems. Recently, research of the optical super-oscillation lens (SOL) has been demonstrated to realize sub-diffractive focusing in both theory and practice successfully. Nevertheless, these systems usually have characteristics of a localized field of view and low-intensity focal spot surrounded by huge sidelobes, which profoundly restricts their application for super-resolution imaging. In this paper, we artificially segment the SOL into two simple-fabrication portions to generate the super-oscillation optical field and realize off-axis far-field imaging. Meanwhile, the point spread function (PSF) feature extraction algorithm is proposed to break the limitation of low core intensity of the PSF and then effectively extract the sub-diffractive structure annihilated by huge sidelobes. Simulations demonstrate its feasibility and reliability in sub-diffraction information recovery, and targets with a resolution of 250 nm are well recovered in the super-oscillation area. (C) 2018 Optical Society of America.

DOI10.1364/JOSAA.35.000491
Indexed BySCI ; EI
Language英语
WOS IDWOS:000427443300016
EI Accession Number20181004854200
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/30748
Collection信息光子学研究室
Corresponding AuthorRen, Liyong
Affiliation1.Chinese Acad Sci, Xian Inst Opt & Precis Mech, Res Dept Informat Photon, Xian 710119, Shaanxi, Peoples R China;
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Xie, Qingkun,Wang, Jing,Jiang, Yanru,et al. Far-field super-oscillation imaging based on the super-oscillation elements and PSF feature extraction algorithm[J]. JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION,2018,35(3):491-495.
APA Xie, Qingkun,Wang, Jing,Jiang, Yanru,Liang, Jian,Qu, Enshi,&Ren, Liyong.(2018).Far-field super-oscillation imaging based on the super-oscillation elements and PSF feature extraction algorithm.JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION,35(3),491-495.
MLA Xie, Qingkun,et al."Far-field super-oscillation imaging based on the super-oscillation elements and PSF feature extraction algorithm".JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION 35.3(2018):491-495.
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