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Fiber Bragg grating based surface plasmon resonance sensor utilizing FDTD for alcohol detection applications


Citation

Arasu, Punitha and Al-Qazwini, Yusser and Onn, Baharil Izhan and Muhammad Noor, Ahmad Shukri (2012) Fiber Bragg grating based surface plasmon resonance sensor utilizing FDTD for alcohol detection applications. In: 3rd International Conference on Photonics (ICP), 1-3 Oct. 2012, Penang, Malaysia. (pp. 93-97).

Abstract / Synopsis

A fiber Bragg grating (FBG) based surface plasmon resonance (SPR) sensor is investigated using 2-D finite difference time domain (FDTD) simulation. The sensitivity and accuracy of the sensor with and without gratings is observed as well as the effect of changing the grating distance on the resonant wavelength. The findings show that high sensitivity of above 500nm/RIU and a fourfold increase in signal to noise ratio (SNR) is obtained by introducing FBG to the basic fiber optic based SPR structure. Increasing the grating period results in a red shift in the resonant wavelength, thus enabling multiple sensor fabrication on a single fiber optic cable. Simulation of the FBG based SPR sensor to detect alcohol concentration from 0 to 100% in water is also demonstrated.


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Additional Metadata

Item Type: Conference or Workshop Item (Paper)
Divisions: Faculty of Engineering
DOI Number: https://doi.org/10.1109/ICP.2012.6379852
Publisher: IEEE
Keywords: Surface Plasmon Resonance; Fiber Bragg Grating; Miniature sensors
Depositing User: Azian Edawati Zakaria
Date Deposited: 04 Sep 2015 08:44
Last Modified: 04 Sep 2015 08:44
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1109/ICP.2012.6379852
URI: http://psasir.upm.edu.my/id/eprint/40220
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