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Metasurface integrated with double-helix point spread function and metalens for three-dimensional imaging
C.Q.Jin; J.H.Zhang; C.L.Guo
2019
发表期刊Nanophotonics
ISSN2192-8606
卷号8期号:3页码:451-458
摘要Metasurfaces are two-dimensional arrangements of antennas that control the propagation of electromagnetic waves with a subwavelength thickness and resolution. Previously, metasurfaces have been mostly used to obtain the function of a single optical element. Here, we demonstrate a plasmonic metasurface that represents the combination of a phase mask generating a double-helix point spread function (DH-PSF) and a metalens for imaging. DH-PSF has been widely studied in three-dimensional (3D) super-resolution imaging, biomedical imaging, and particle tracking, but the current DH-PSFs are inefficient, bulky, and difficult to integrate. The multielement metasurface, which we label as DH-metalens, enables a DH-PSF with transfer efficiency up to 70.3% and an ultrahigh level of optical system integration, three orders of magnitude smaller than those realized by conventional phase elements. Moreover, the demonstrated DH-metalens can work in broadband visible wavelengths and in multiple incident polarization states. Finally, we demonstrate the application of the DH-metalens in 3D imaging of point sources. These results pave ways for realizing integrated DH-PSFs, which have applications in 3D super-resolution microscopy, single particle tracking/imaging, and machine vision.
关键词Metasurface,double-helix point spread function,metalens,three-dimensional imaging,band achromatic metalens,broad-band,tracking
DOI10.1515/nanoph-2018-0216
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收录类别SCI ; EI
语种英语
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文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/63297
专题中国科学院长春光学精密机械与物理研究所
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C.Q.Jin,J.H.Zhang,C.L.Guo. Metasurface integrated with double-helix point spread function and metalens for three-dimensional imaging[J]. Nanophotonics,2019,8(3):451-458.
APA C.Q.Jin,J.H.Zhang,&C.L.Guo.(2019).Metasurface integrated with double-helix point spread function and metalens for three-dimensional imaging.Nanophotonics,8(3),451-458.
MLA C.Q.Jin,et al."Metasurface integrated with double-helix point spread function and metalens for three-dimensional imaging".Nanophotonics 8.3(2019):451-458.
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