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Related Experiment Video

Updated: Jun 22, 2026

Trapping of Micro Particles in Nanoplasmonic Optical Lattice
07:20

Trapping of Micro Particles in Nanoplasmonic Optical Lattice

Published on: September 5, 2017

High-speed multispectral imaging of nanoplasmonic array.

Gang Liu, Joseph Doll, Luke Lee

    Optics Express
    |June 6, 2009
    PubMed
    Summary
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    A new multispectral microscopy system enables rapid, simultaneous single-particle spectroscopy of plasmonic nanostructures. This high-speed imaging system advances nanoplasmonic sensor applications for biomolecular detection.

    Area of Science:

    • Nanotechnology
    • Spectroscopy
    • Optical Imaging

    Background:

    • Plasmonic nanostructures exhibit unique optical properties crucial for sensing.
    • Characterizing large arrays of individual nanostructures is challenging.
    • Current methods often lack speed and scalability for high-density applications.

    Purpose of the Study:

    • To develop a high-speed multispectral microscopy imaging system.
    • To enable simultaneous single-particle scattering spectroscopy of numerous plasmonic nanostructures.
    • To facilitate rapid plasmon resonance imaging of nanostructure arrays.

    Main Methods:

    • A novel multispectral microscopy system was engineered.
    • The system acquires darkfield scattering intensity images across a 500-800 nm spectral range with 2 nm resolution.

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    Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle
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    Published on: January 3, 2016

    Performing Spectroscopy on Plasmonic Nanoparticles with Transmission-Based Nomarski-Type Differential Interference Contrast Microscopy
    08:54

    Performing Spectroscopy on Plasmonic Nanoparticles with Transmission-Based Nomarski-Type Differential Interference Contrast Microscopy

    Published on: June 5, 2019

    Related Experiment Videos

    Last Updated: Jun 22, 2026

    Trapping of Micro Particles in Nanoplasmonic Optical Lattice
    07:20

    Trapping of Micro Particles in Nanoplasmonic Optical Lattice

    Published on: September 5, 2017

    Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle
    15:06

    Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle

    Published on: January 3, 2016

    Performing Spectroscopy on Plasmonic Nanoparticles with Transmission-Based Nomarski-Type Differential Interference Contrast Microscopy
    08:54

    Performing Spectroscopy on Plasmonic Nanoparticles with Transmission-Based Nomarski-Type Differential Interference Contrast Microscopy

    Published on: June 5, 2019

  • Mechanical scanning was eliminated, achieving a frame rate of 2 seconds/wavelength.

    • Main Results:

    • The system achieved high-speed plasmon resonance imaging of nanostructure arrays.
    • Plasmon resonance wavelengths for over 1000 gold nanoparticles and a gold nanowire array were measured in under 5 minutes.
    • Simultaneous, individual nanostructure analysis was demonstrated.

    Conclusions:

    • The developed system offers a significant advancement in characterizing plasmonic nanostructures.
    • This high-speed spectral imaging approach is promising for large-scale, high-density nanoplasmonic sensor arrays.
    • The technology paves the way for label-free biomolecular detection applications.