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Numerical investigation of the performance of an SPR-based optical fiber sensor in an aqueous environment using finite-difference time domain


Citation

Al-Qazwini, Yusser and Arasu, P. T. and Muhammad Noor, Ahmad Shukri (2011) Numerical investigation of the performance of an SPR-based optical fiber sensor in an aqueous environment using finite-difference time domain. In: 2011 IEEE 2nd International Conference on Photonics, 17-19 Oct. 2011, Le Meridien Hotel, Kota Kinabalu, Sabah. .

Abstract / Synopsis

We investigate a surface plasmon resonance (SPR)-based optical fiber sensor using 2-D finite-difference time domain (FDTD) simulations. The optical sensor is designed by polishing a single-mode optical fiber by symmetrically removing a portion of its cladding forming two sensing regions. We analyze the effects of two physical parameters of the sensor in an aqueous medium, i.e. the thickness of the metal layer and the amount of residual cladding using numerical simulations. The results show that a good transmission dip can be obtained by optimizing these parameters. Thus, the sensor structure can be deployed as an optical biosensor in aqueous environments.


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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.2011.6106886
Publisher: IEEE
Keywords: Finite-difference time domain; Optical fiber sensor; Refractive index; Surface plasmon resonance
Depositing User: Nabilah Mustapa
Date Deposited: 15 Jul 2016 12:17
Last Modified: 15 Jul 2016 12:17
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1109/ICP.2011.6106886
URI: http://psasir.upm.edu.my/id/eprint/47768
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