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Surface Plasmon Resonance Sensing

  • Aug 29, 2021
  • 1 min read

Updated: Feb 1

A simple phase-shifted polarimetric scheme to extract light polarization changes induced by the sample in surface plasmon resonance (SPR) sensors is presented.

Illustration of surface plasmon resonance sensing showing polarized light interacting with a gold-coated prism and sensor response

Abstract

A simple phase-shifted polarimetric scheme to extract light polarization changes induced by the sample in surface plasmon resonance (SPR) sensors is presented. The proposed method is based on the conventional Kretschmann–Raether configuration in the angular diverging beam mode using a single wavelength and a variable liquid crystal retarder. An experimental demonstration was performed using different aqueous solutions of ethylene glycol showing a sensitivity of 118.7 deg/refractive-index-unit (RIU) and a detection limit of 1.03×10−7  RIU.


© 2019 Optical Society of America


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Phase-shifted polarimetric surface plasmon resonance sensor using a liquid crystal retarder and a diverging beam: https://www.osapublishing.org/ol/abstract.cfm?uri=ol-44-7-1607

2 Comments


Erik Streeter
Erik Streeter
Jul 06

It's incredibly validating to see someone else describe the experience of surface plasmon resonance in such a precise way, mirroring my own observations. I genuinely appreciate how you've articulated this complex concept. This is definitely something I'm going to bring up in our next team brainstorm session; I think it could really shift our perspective. Furthermore, I believe the onboarding challenge associated with understanding surface plasmon resonance requires significantly more focus https://www.rba.gov.au/payments-and-infrastructure/ It's a hurdle many newcomers face, and we need to find better ways to bridge that gap. What's also worth noting is how this field is constantly evolving. I'm curious about what the next significant advancement in surface plasmon resonance might be. What really stands out to me,…

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Tyree
Tyree
Jul 03

What a thoughtful piece of writing https://en.wikipedia.org/wiki/Blog I've bookmarked this page because I think it covers the subject really well. Looking forward to reading more from this blog.


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