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Issue 39, 2017
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Localized plasmonic structured illumination microscopy with an optically trapped microlens

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Abstract

Localized plasmonic structured illumination microscopy (LPSIM) is a recently developed super resolution technique that demonstrates immense potential via arrays of localized plasmonic antennas. Microlens microscopy represents another distinct approach for improving resolution by introducing a spherical lens with a large refractive index to boost the effective numerical aperture of the imaging system. In this paper, we bridge together the LPSIM and optically trapped spherical microlenses, for the first time, to demonstrate a new super resolution technique for surface imaging. By trapping and moving polystyrene and TiO2 microspheres with optical tweezers on top of a LPSIM substrate, the new imaging system has achieved a higher NA and improved resolution.

Graphical abstract: Localized plasmonic structured illumination microscopy with an optically trapped microlens

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Supplementary files

Article information


Submitted
23 May 2017
Accepted
03 Sep 2017
First published
04 Sep 2017

Nanoscale, 2017,9, 14907-14912
Article type
Paper

Localized plasmonic structured illumination microscopy with an optically trapped microlens

A. Bezryadina, J. Li, J. Zhao, A. Kothambawala, J. Ponsetto, E. Huang, J. Wang and Z. Liu, Nanoscale, 2017, 9, 14907
DOI: 10.1039/C7NR03654J

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