Title

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

Funding Number

22109007

Funding Sponsor

Japan Society for the Promotion of Science

Author's Department

Physics Department

Find in your Library

https://doi.org/10.1117/1.JNP.7.073077

Document Type

Research Article

Publication Title

Journal of Nanophotonics

Publication Date

1-1-2013

doi

10.1117/1.JNP.7.073077

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 nm̈MRIU, 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. © 2013 The Authors.

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