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Related Experiment Video

Updated: Jun 10, 2026

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
07:39

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons

Published on: July 21, 2018

Quantitative analysis of localized surface plasmons based on molecular probing.

Claire Deeb1, Renaud Bachelot, Jérôme Plain

  • 1Laboratoire de Nanotechnologie et d'Instrumentation Optique LNIO-ICD CNRS-UMR 6279, Université de Technologie de Troyes, Troyes, France.

ACS Nano
|August 7, 2010
PubMed
Summary

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Researchers quantitatively characterized the plasmonic optical near-field of a silver nanoparticle using nanoscale molecular molding. This imaging technique revealed the near-field distribution and enhancement factor, crucial for nanophotonics.

Area of Science:

  • Plasmonics
  • Nanophotonics
  • Optical Physics

Background:

  • Plasmonic nanoparticles exhibit unique optical properties due to confined electromagnetic fields.
  • Understanding the near-field interactions is critical for advanced nanophotonic applications.
  • Direct quantitative characterization of near-fields remains a challenge.

Purpose of the Study:

  • To quantitatively characterize the plasmonic optical near-field of a single silver nanoparticle.
  • To develop and apply a novel imaging technique for near-field analysis.
  • To assess the feasibility of using photoactivated molecules for nanoscale field mapping.

Main Methods:

  • Utilized nanoscale molecular molding with photoactivated molecules to probe the electromagnetic field.
  • Employed high-resolution imaging to visualize the near-field distribution.

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Multimodal Analytical Platform on a Multiplexed Surface Plasmon Resonance Imaging Chip for the Analysis of Extracellular Vesicle Subsets
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Multimodal Analytical Platform on a Multiplexed Surface Plasmon Resonance Imaging Chip for the Analysis of Extracellular Vesicle Subsets

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Last Updated: Jun 10, 2026

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
07:39

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons

Published on: July 21, 2018

Multimodal Analytical Platform on a Multiplexed Surface Plasmon Resonance Imaging Chip for the Analysis of Extracellular Vesicle Subsets
06:12

Multimodal Analytical Platform on a Multiplexed Surface Plasmon Resonance Imaging Chip for the Analysis of Extracellular Vesicle Subsets

Published on: March 17, 2023

  • Quantified key parameters including near-field depth and enhancement factor.
  • Analyzed the spectral signature of the single nanoparticle.

    • Main Results:

    • Successfully imaged the dipolar profile of the plasmonic near-field with sub-10 nm resolution.
    • Quantified the near-field depth and enhancement factor.
    • Obtained the spectral signature of the individual silver nanoparticle.
    • Demonstrated the effectiveness of molecular molding for near-field characterization.

    Conclusions:

    • Quantitative characterization of single nanoparticle plasmonic near-fields is achievable.
    • Nanoscale molecular molding provides a powerful tool for near-field imaging.
    • This methodology is a prerequisite for the advancement of nanophotonic devices and applications.