Optical virtual imaging at 50 nm lateral resolution with a white-light nanoscope

Zengbo Wang (), Wei Guo, Lin Li, Boris Luk'yanchuk, Ashfaq Khan, Zhu Liu, Zaichun Chen and Minghui Hong
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Zengbo Wang: Laser Processing Research Centre, School of Mechanical, Aerospace, and Civil Engineering, University of Manchester
Wei Guo: Laser Processing Research Centre, School of Mechanical, Aerospace, and Civil Engineering, University of Manchester
Lin Li: Laser Processing Research Centre, School of Mechanical, Aerospace, and Civil Engineering, University of Manchester
Boris Luk'yanchuk: Data Storage Institute, Agency for Science, Technology and Research (A*STAR), DSI Building
Ashfaq Khan: Laser Processing Research Centre, School of Mechanical, Aerospace, and Civil Engineering, University of Manchester
Zhu Liu: Corrosion and Protection Centre, School of Materials, University of Manchester
Zaichun Chen: Data Storage Institute, Agency for Science, Technology and Research (A*STAR), DSI Building
Minghui Hong: Data Storage Institute, Agency for Science, Technology and Research (A*STAR), DSI Building

Nature Communications, 2011, vol. 2, issue 1, 1-6

Abstract: Abstract The imaging resolution of a conventional optical microscope is limited by diffraction to ∼200 nm in the visible spectrum. Efforts to overcome such limits have stimulated the development of optical nanoscopes using metamaterial superlenses, nanoscale solid immersion lenses and molecular fluorescence microscopy. These techniques either require an illuminating laser beam to resolve to 70 nm in the visible spectrum or have limited imaging resolution above 100 nm for a white-light source. Here we report a new 50-nm-resolution nanoscope that uses optically transparent microspheres (for example, SiO2, with 2 μm

Date: 2011
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DOI: 10.1038/ncomms1211

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