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Investigation of microsphere-assisted super-resolution imaging
Author(s): Xi Liu; Yan Tang; Yi Zhou; Song Hu
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Paper Abstract

The microscopy assisted by dielectric microspheres has emerged as an effective way to improve the imaging resolution of conventional optical microscope. The photonic nanojet(PNJ) is simulated by software, and super-resolution imaging experiments are carried out successfully. The results show that the silica(SiO2) microsphere with low refractive index can visualize a grating containing 139-nm-width lines with an interspacing of 139 nm under visible light illumination when it is partially immersed in alcohol. However, the barium titanate glass(BTG) microspheres with high refractive index can achieve super-resolution imaging only fully immersed in alcohol.

Paper Details

Date Published: 30 January 2019
PDF: 5 pages
Proc. SPIE 10841, 9th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Meta-Surface-Wave and Planar Optics, 1084107 (30 January 2019); doi: 10.1117/12.2505744
Show Author Affiliations
Xi Liu, Institute of Optics and Electronics (China)
Univ. of Chinese Academy of Sciences (China)
Yan Tang, Institute of Optics and Electronics (China)
Yi Zhou, Institute of Optics and Electronics (China)
Univ. of Chinese Academy of Sciences (China)
Song Hu, Institute of Optics and Electronics (China)


Published in SPIE Proceedings Vol. 10841:
9th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Meta-Surface-Wave and Planar Optics
Mingbo Pu; Xiaoliang Ma; Xiong Li; Minghui Hong; Changtao Wang; Xiangang Luo, Editor(s)

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