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Updated: May 29, 2026

Plasmonic Trapping and Release of Nanoparticles in a Monitoring Environment
09:13

Plasmonic Trapping and Release of Nanoparticles in a Monitoring Environment

Published on: April 4, 2017

Intensity based surface plasmon resonance sensor using a nanohole rectangular array.

A-P Blanchard-Dionne1, L Guyot, S Patskovsky

  • 1Department Engineering Physics, Laser Processing and Plasmonics Laboratory, École Polytechnique de Montréal, CP 6079, succ Centre-Ville, Montréal, Québec H3C 3A7, Canada.

Optics Express
|September 22, 2011
PubMed
Summary
This summary is machine-generated.

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High-resolution surface plasmon resonance (SPR) sensing using a nanohole array achieves 6.4 x 10(-6) RIU resolution. This balanced detection method enhances sensitivity and reduces noise for nanoplasmonic applications.

Area of Science:

  • Nanophotonics
  • Plasmonics
  • Optical Sensing

Background:

  • Surface Plasmon Resonance (SPR) is a label-free optical technique.
  • Nanohole arrays in metal films offer unique plasmonic properties.
  • Improving SPR sensor sensitivity and noise reduction is crucial for advanced applications.

Purpose of the Study:

  • To demonstrate high-resolution measurements using an SPR sensor.
  • To investigate the performance of a rectangular nanohole array in a metal film.
  • To explore a balanced intensity detection method for enhanced SPR sensing.

Main Methods:

  • Fabrication of a rectangular nanohole array in a metal film.
  • Utilized a He-Ne laser beam with balanced intensity detection.
  • Measured SPR response using orthogonal polarizations for noise reduction.

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Last Updated: May 29, 2026

Plasmonic Trapping and Release of Nanoparticles in a Monitoring Environment
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Published on: April 4, 2017

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Main Results:

  • Achieved a bulk sensitivity resolution of 6.4 x 10(-6) Refractive Index Units (RIU).
  • Demonstrated improved sensitivity and noise reduction through balanced detection.
  • Showcased the potential for high-resolution SPR measurements.

Conclusions:

  • The proposed SPR sensor methodology offers high resolution.
  • Balanced intensity detection significantly enhances sensor performance.
  • The technology is promising for portable nanoplasmonic multisensing and imaging.