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Updated: Jun 15, 2026

Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation

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Published on: September 27, 2011

Three-dimensional plasmonic nanofocusing.

Nathan C Lindquist¹, Prashant Nagpal, Antoine Lesuffleur

¹Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, Minnesota 55455, USA.

|March 19, 2010

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Researchers achieved 3D plasmonic nanofocusing using patterned metallic pyramids. This technique concentrates light into a nanoscale volume, enabling advanced applications in imaging and sensing.

Area of Science:

Plasmonics
Nanophotonics
Materials Science

Background:

Plasmonic nanofocusing concentrates light to nanoscale dimensions.
Achieving efficient 3D focusing is challenging.
Template stripping offers a viable fabrication method.

Purpose of the Study:

To demonstrate three-dimensional plasmonic nanofocusing of light.
To utilize patterned metallic pyramids for light manipulation.
To explore the potential applications of this nanofocusing technique.

Main Methods:

Fabrication of metallic pyramids using template stripping.
Patterning gratings onto pyramid faces.
Experimental validation and computer simulations of light propagation and focusing.

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Published on: June 5, 2019

Plasmonic Trapping and Release of Nanoparticles in a Monitoring Environment

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Published on: April 4, 2017

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Last Updated: Jun 15, 2026

Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation

Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation

Published on: September 27, 2011

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

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

Published on: June 5, 2019

Plasmonic Trapping and Release of Nanoparticles in a Monitoring Environment

Plasmonic Trapping and Release of Nanoparticles in a Monitoring Environment

Published on: April 4, 2017

Main Results:

Demonstrated three-dimensional plasmonic nanofocusing.
Achieved light concentration into a nanoscale volume (5 x 10^-5 wavelength^3).
Confirmed focusing at a ~10 nm apex via experiments and simulations.

Conclusions:

Patterned metallic pyramids enable efficient 3D plasmonic nanofocusing.
The technique is easily and reproducibly fabricated.
Potential applications include advanced imaging, sensing, lithography, and nonlinear spectroscopy.