Researchers at Stanford University and the Max Planck Institute for Polymer Research have demonstrated fluorescence enhancements ten times greater than previously demonstrated, by placing single fluorophores in an optical bowtie nano-antenna.
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Davis, C. Molecules in a tight spot. Nature Photon 3, 608–609 (2009). https://doi.org/10.1038/nphoton.2009.198
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DOI: https://doi.org/10.1038/nphoton.2009.198
