Enhanced high-quality super-resolution imaging in air using microsphere lens groups

被引：26

作者：

Luo, Hao ^{[1
,2
,3
]}

Yu, Haibo ^{[1
,2
]}

Wen, Yangdong ^{[1
,2
,3
]}

Zhang, Tianyao ^{[1
,2
,3
]}

Li, Pan ^{[1
,2
,3
]}

Wang, Feifei ^{[4
]}

Liu, Lianqing ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Shenyang Inst Automat, State Key Lab Robot, Shenyang 110016, Peoples R China

[2] Chinese Acad Sci, Inst Robot & Intelligent Mfg, Shenyang 110016, Peoples R China

[3] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

[4] Stanford Univ, Dept Chem & BioX, Stanford, CA 94305 USA

来源：

OPTICS LETTERS | 2020年 / 45卷 / 11期

基金：

中国国家自然科学基金;

关键词：

MOVABLE THIN-FILMS; MICROSCOPY;

D O I：

10.1364/OL.393041

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Most microsphere-assisted super-resolution imaging experiments require a high-refractive-index microsphere to be immersed in a liquid to improve the super-resolution. However, samples are inevitably polluted by residuals in the liquid. This Letter presents a novel (to the best of our knowledge) method employing a microsphere lens group (MLG) that can easily achieve high-quality super-resolution imaging in air. The performance of this method is at par or better than that of the high-refractive-index microspheres immersed in liquid. In addition, the MLG generates a real image that is closely related to the photonic nanojet position of the microsphere super-lens. This imaging method is beneficial in microsphere imaging applications where liquids are impractical. (C) 2020 Optical Society of America

引用

页码：2981 / 2984

页数：4

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