Investigation of microsphere-assisted super-resolution imaging

Xi Liu; Yan Tang; Yi Zhou; Song Hu

doi:10.1117/12.2505744

30 January 2019 Investigation of microsphere-assisted super-resolution imaging

Xi Liu, Yan Tang, Yi Zhou, Song Hu

Proceedings Volume 10841, 9th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Meta-Surface-Wave and Planar Optics; 1084107 (2019) https://doi.org/10.1117/12.2505744
Event: Ninth International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT2018), 2018, Chengdu, China

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.

Citation Download Citation

Xi Liu, Yan Tang, Yi Zhou, and Song Hu "Investigation of microsphere-assisted super-resolution imaging", Proc. SPIE 10841, 9th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Meta-Surface-Wave and Planar Optics, 1084107 (30 January 2019); https://doi.org/10.1117/12.2505744

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