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Resonance-based integrated plasmonic nanosensor for lab-on-chip applications

Resonance-based integrated plasmonic nanosensor for lab-on-chip applications Abstract. An integrated plasmonic resonator was proposed and analyzed. The detection performance of our device has been numerically verified by finite-difference time-domain simulations. The spectral sensitivity obtained was found to be 700 nm / RIU , where RIU is the refractive index unit. Our proposed sensor was found to have a detection limit in the order of 10 − 6 RIU . The plasmonic sensor could be fabricated using focus ion beam milling. Our design leads to an ultra-compact sensor suitable for on-chip sensing applications associated with a high sensitivity. For biosensing, the proposed sensor could have the ability for a specific capture of biomolecules at the sensor surface that enables for quantification of the biomolecules. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Nanophotonics SPIE

Resonance-based integrated plasmonic nanosensor for lab-on-chip applications

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References (17)

Publisher
SPIE
Copyright
© The Authors. Published by SPIE under a Creative Commons Attribution 3.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.
Subject
Research Papers
ISSN
1934-2608
eISSN
1934-2608
DOI
10.1117/1.JNP.7.073077
Publisher site
See Article on Publisher Site

Abstract

Abstract. An integrated plasmonic resonator was proposed and analyzed. The detection performance of our device has been numerically verified by finite-difference time-domain simulations. The spectral sensitivity obtained was found to be 700 nm / RIU , where RIU is the refractive index unit. Our proposed sensor was found to have a detection limit in the order of 10 − 6 RIU . The plasmonic sensor could be fabricated using focus ion beam milling. Our design leads to an ultra-compact sensor suitable for on-chip sensing applications associated with a high sensitivity. For biosensing, the proposed sensor could have the ability for a specific capture of biomolecules at the sensor surface that enables for quantification of the biomolecules.

Journal

Journal of NanophotonicsSPIE

Published: Jan 1, 2013

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