Abstract

Conventional microscope objective lenses are diffraction limited; they cannot resolve subdiffraction features of a size smaller than 250–300 nm under white lighting condition. New innovations are required to overcome this limitation. In this paper, we propose and demonstrate a new superlensing objective lens that possesses a resolution of 100 nm, which is a two-times resolution improvement over conventional objectives. This is accomplished by integrating a conventional microscope objective lens with a superlensing microsphere lens using a customized lens adaptor. The new objective lens was successfully demonstrated for label-free super-resolution imaging of 100 nm features in engineering and biological samples, including a Blu-ray disk sample and adenoviruses. Our work opens a new door to develop a generic optical superlens, which may transform the field of optical microscopy and imaging.

© 2017 Optical Society of America

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Supplementary Material (2)

NameDescription
» Visualization 1: MP4 (4402 KB)      Scanning imaging of the IC chip.
» Visualization 2: MP4 (22188 KB)      Light focusing by BaTiO3 microsphere embedded inside PDMS with varying size parameter.

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