Related Experiment Video
Updated: Feb 1, 2026
10:54
Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters
Published on: July 8, 2013
15.3K
Sharpening emitter localization in front of a tuned mirror
Hannah S Heil1, Benjamin Schreiber1, Ralph Götz2
11Rudolf Virchow Center, Research Center for Experimental Biomedicine, University of Würzburg, Josef-Schneider-Str.2, 97080 Würzburg, Germany.
Light, Science & Applications
|December 12, 2018
Summary
Metal-dielectric nanocoatings enhance single-molecule localization microscopy (SMLM) by increasing photon yield and reducing background noise. This boosts SMLM performance and localization precision up to twofold for advanced cellular imaging.
Area of Science:
- Biophysics
- Optical Microscopy
- Nanotechnology
Background:
- Single-molecule localization microscopy (SMLM) requires high precision and signal-to-noise ratio for optimal performance.
- Existing SMLM methods can be limited by achievable precision and signal quality.
Purpose of the Study:
- To investigate the impact of metal-dielectric nanocoatings on SMLM performance.
- To enhance localization precision and signal-to-noise ratio in SMLM using nanocoatings.
Main Methods:
- Fabrication of biocompatible metal-dielectric nanocoatings on standard glass coverslips.
- Characterization of nanocoating performance in enhancing photon yield and reducing background.
- Experimental demonstration of dual-color SMLM using the nanocoatings in cellular environments.
Main Results:
- Demonstrated substantial improvement in SMLM performance with nanocoatings.
- Achieved up to a twofold increase in localization precision.
- Showcased spectrally and spatially tunable resolution enhancement via nanocoating design and wavelength selection.
Conclusions:
- Metal-dielectric nanocoatings offer a straightforward method to significantly improve SMLM precision and performance.
- The developed nanocoatings are compatible with standard microscopy setups and cellular imaging.
- This approach provides a tunable and effective strategy for advancing super-resolution microscopy techniques.
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