High-contrast wide-field evanescent wave illuminated subdiffraction imaging

Optics Letters
Chenlei PangQing Yang

Abstract

In this Letter, we show how to obtain high-contrast wide-field evanescent wave illuminated subdiffraction imaging through controlling nanoscale light-matter interaction. The light coupling, propagation, and far-field imaging processes show strong polarization selectivity and film quality dependence, which is used to improve the image-contrast-to-noise ratio (CNR) and to enlarge the field of view (FOV). We demonstrate experimentally high CNR subdiffraction imaging with lateral resolution of 122 nm and FOV of thousands of micrometers square.

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Citations

Feb 26, 2019·Scientific Reports·Yoshiro OhashiPrabhat Verma
Aug 5, 2020·Applied Optics·Xuanhao ZhangQing Yang

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