Sodium nitrate sensor based on d-shaped fiber structure

This paper demonstrates a low-cost robust refractive index (RI) sensor based on a sensing structure realized with graphene-coated D-shaped fiber structure. The proposed sensing structure is of 5-dB insertion loss single mode fibers fabricated by means of side polishing; drop casting is used for the...

Full description

Saved in:
Bibliographic Details
Main Authors: Kadir, N. A. A., Irawati, N., Jafri, A. A. A., Razali, N. M., Hamzah, A., Harun, S. W.
Format: Article
Published: Elsevier B.V. 2020
Subjects:
Online Access:http://eprints.utm.my/id/eprint/93190/
http://dx.doi.org/10.1016/j.measurement.2020.107927
Tags: Add Tag
No Tags, Be the first to tag this record!
id my.utm.93190
record_format eprints
spelling my.utm.931902021-11-19T03:16:01Z http://eprints.utm.my/id/eprint/93190/ Sodium nitrate sensor based on d-shaped fiber structure Kadir, N. A. A. Irawati, N. Jafri, A. A. A. Razali, N. M. Hamzah, A. Harun, S. W. QC Physics This paper demonstrates a low-cost robust refractive index (RI) sensor based on a sensing structure realized with graphene-coated D-shaped fiber structure. The proposed sensing structure is of 5-dB insertion loss single mode fibers fabricated by means of side polishing; drop casting is used for the graphene coating that would act as a sensing layer to enhance the sensitivity of the sensing probe. Observations showed that the output power decreased from 7.17 dBm to 5.85 dBm with sensitivity of 0.223%/dBm and linearity of 99% as six different concentrations of sodium nitrate that varies from 1 to 7% were tested on the sensor probe. These results came from the interaction of propagating light in the evanescent wave with the external changing environment. The resonant peak shifted to longer wavelength with increasing refractive index. The sensing structure was embedded onto a fiber ring laser as this combination offers high measurement resolution and increase their remote sensing capability. Elsevier B.V. 2020 Article PeerReviewed Kadir, N. A. A. and Irawati, N. and Jafri, A. A. A. and Razali, N. M. and Hamzah, A. and Harun, S. W. (2020) Sodium nitrate sensor based on d-shaped fiber structure. Measurement: Journal of the International Measurement Confederation, 163 . ISSN 0263-2241 http://dx.doi.org/10.1016/j.measurement.2020.107927 DOI: 10.1016/j.measurement.2020.107927
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
topic QC Physics
spellingShingle QC Physics
Kadir, N. A. A.
Irawati, N.
Jafri, A. A. A.
Razali, N. M.
Hamzah, A.
Harun, S. W.
Sodium nitrate sensor based on d-shaped fiber structure
description This paper demonstrates a low-cost robust refractive index (RI) sensor based on a sensing structure realized with graphene-coated D-shaped fiber structure. The proposed sensing structure is of 5-dB insertion loss single mode fibers fabricated by means of side polishing; drop casting is used for the graphene coating that would act as a sensing layer to enhance the sensitivity of the sensing probe. Observations showed that the output power decreased from 7.17 dBm to 5.85 dBm with sensitivity of 0.223%/dBm and linearity of 99% as six different concentrations of sodium nitrate that varies from 1 to 7% were tested on the sensor probe. These results came from the interaction of propagating light in the evanescent wave with the external changing environment. The resonant peak shifted to longer wavelength with increasing refractive index. The sensing structure was embedded onto a fiber ring laser as this combination offers high measurement resolution and increase their remote sensing capability.
format Article
author Kadir, N. A. A.
Irawati, N.
Jafri, A. A. A.
Razali, N. M.
Hamzah, A.
Harun, S. W.
author_facet Kadir, N. A. A.
Irawati, N.
Jafri, A. A. A.
Razali, N. M.
Hamzah, A.
Harun, S. W.
author_sort Kadir, N. A. A.
title Sodium nitrate sensor based on d-shaped fiber structure
title_short Sodium nitrate sensor based on d-shaped fiber structure
title_full Sodium nitrate sensor based on d-shaped fiber structure
title_fullStr Sodium nitrate sensor based on d-shaped fiber structure
title_full_unstemmed Sodium nitrate sensor based on d-shaped fiber structure
title_sort sodium nitrate sensor based on d-shaped fiber structure
publisher Elsevier B.V.
publishDate 2020
url http://eprints.utm.my/id/eprint/93190/
http://dx.doi.org/10.1016/j.measurement.2020.107927
_version_ 1717093433141624832
score 13.211869