Graphene/PVA coated D-shaped fiber for sodium nitrate sensing

Huda Adnan Zain; Malathy Batumalay; Sulaiman Wadi Harun; Zuraidah Harith; Moh Yasin; Hazli Rafis Abdul Rahim

doi:10.1016/j.sna.2021.113163

Graphene/PVA coated D-shaped fiber for sodium nitrate sensing

Huda Adnan Zain, Malathy Batumalay, Sulaiman Wadi Harun, Zuraidah Harith, Moh Yasin, Hazli Rafis Abdul Rahim

Faculty of Science and Technology

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

A graphene/Polyvinyl alcohol (PVA) coated D-shaped fiber structure for sensing sodium nitrate solutions is proposed in this paper. D-shaped single mode fiber (SMF) coated with graphene/PVA was used as a sensor for sodium nitrate liquid solutions with the concentration range of 1–7%. After monitoring the output power and spectral transmission characteristics of the sensor, the graphene/PVA coated sensor showed an improved performance over the uncoated structure. The evanescent mode of the side-polished fiber and the interaction between the nitrate ions and the coating graphene improved the sensor's performance. The graphene/PVA coated sensor had sensitivity and linearity of 0.390 dBm/% and 99% compared to the uncoated sensor sensitivity and linearity of 0.117 dBm/% and 98% respectively. This shows the advantage of using D-shaped fiber coated with graphene and PVA to detect sodium nitrate concentrations.

Original language	English
Article number	113163
Journal	Sensors and Actuators, A: Physical
Volume	332
DOIs	https://doi.org/10.1016/j.sna.2021.113163
Publication status	Published - 1 Dec 2021

Keywords

D-shaped fiber
Fiber optics sensor
Side polished fiber
Sodium nitrate

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10.1016/j.sna.2021.113163

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title = "Graphene/PVA coated D-shaped fiber for sodium nitrate sensing",

abstract = "A graphene/Polyvinyl alcohol (PVA) coated D-shaped fiber structure for sensing sodium nitrate solutions is proposed in this paper. D-shaped single mode fiber (SMF) coated with graphene/PVA was used as a sensor for sodium nitrate liquid solutions with the concentration range of 1–7%. After monitoring the output power and spectral transmission characteristics of the sensor, the graphene/PVA coated sensor showed an improved performance over the uncoated structure. The evanescent mode of the side-polished fiber and the interaction between the nitrate ions and the coating graphene improved the sensor's performance. The graphene/PVA coated sensor had sensitivity and linearity of 0.390 dBm/% and 99% compared to the uncoated sensor sensitivity and linearity of 0.117 dBm/% and 98% respectively. This shows the advantage of using D-shaped fiber coated with graphene and PVA to detect sodium nitrate concentrations.",

keywords = "D-shaped fiber, Fiber optics sensor, Side polished fiber, Sodium nitrate",

author = "Zain, {Huda Adnan} and Malathy Batumalay and Harun, {Sulaiman Wadi} and Zuraidah Harith and Moh Yasin and Rahim, {Hazli Rafis Abdul}",

note = "Funding Information: This work was supported by the World Class Research Scheme (2020) through Airlangga University (No. 444/UN3.14/PT/2020 ) and INTI Research Grant Scheme 2020 [INTI-FITS-03–2020] . Publisher Copyright: {\textcopyright} 2021 Elsevier B.V.",

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doi = "10.1016/j.sna.2021.113163",

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AU - Zain, Huda Adnan

AU - Batumalay, Malathy

AU - Harun, Sulaiman Wadi

AU - Harith, Zuraidah

AU - Yasin, Moh

AU - Rahim, Hazli Rafis Abdul

N1 - Funding Information: This work was supported by the World Class Research Scheme (2020) through Airlangga University (No. 444/UN3.14/PT/2020 ) and INTI Research Grant Scheme 2020 [INTI-FITS-03–2020] . Publisher Copyright: © 2021 Elsevier B.V.

PY - 2021/12/1

Y1 - 2021/12/1

N2 - A graphene/Polyvinyl alcohol (PVA) coated D-shaped fiber structure for sensing sodium nitrate solutions is proposed in this paper. D-shaped single mode fiber (SMF) coated with graphene/PVA was used as a sensor for sodium nitrate liquid solutions with the concentration range of 1–7%. After monitoring the output power and spectral transmission characteristics of the sensor, the graphene/PVA coated sensor showed an improved performance over the uncoated structure. The evanescent mode of the side-polished fiber and the interaction between the nitrate ions and the coating graphene improved the sensor's performance. The graphene/PVA coated sensor had sensitivity and linearity of 0.390 dBm/% and 99% compared to the uncoated sensor sensitivity and linearity of 0.117 dBm/% and 98% respectively. This shows the advantage of using D-shaped fiber coated with graphene and PVA to detect sodium nitrate concentrations.

AB - A graphene/Polyvinyl alcohol (PVA) coated D-shaped fiber structure for sensing sodium nitrate solutions is proposed in this paper. D-shaped single mode fiber (SMF) coated with graphene/PVA was used as a sensor for sodium nitrate liquid solutions with the concentration range of 1–7%. After monitoring the output power and spectral transmission characteristics of the sensor, the graphene/PVA coated sensor showed an improved performance over the uncoated structure. The evanescent mode of the side-polished fiber and the interaction between the nitrate ions and the coating graphene improved the sensor's performance. The graphene/PVA coated sensor had sensitivity and linearity of 0.390 dBm/% and 99% compared to the uncoated sensor sensitivity and linearity of 0.117 dBm/% and 98% respectively. This shows the advantage of using D-shaped fiber coated with graphene and PVA to detect sodium nitrate concentrations.

KW - D-shaped fiber

KW - Fiber optics sensor

KW - Side polished fiber

KW - Sodium nitrate

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JO - Sensors and Actuators, A: Physical

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Graphene/PVA coated D-shaped fiber for sodium nitrate sensing

Abstract

Keywords

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