Sensitivity performance of optical waveguide sensors with different shapes of cladding layer for microplastics detection

With microplastics pollution becoming a global concern, there comes a need for sensors to attain an optimal level of sensitivity to detect microplastics in water. This work investigated the effects of cladding layer shapes on the sensitivity performance of an optical waveguide sensor for microplasti...

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Main Authors: M. Hanafi, A. I., Saris, Nur Najahatul Huda, Idrus, S. M., Hamzah, Azura
Format: Conference or Workshop Item
Language:English
Published: 2023
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Online Access:http://eprints.utm.my/107835/1/NurNajahatulHuda2023_SensitivityPerformanceofOpticalWaveguide.pdf
http://eprints.utm.my/107835/
http://dx.doi.org/10.1088/1742-6596/2627/1/012006
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Institution: Universiti Teknologi Malaysia
Language: English
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spelling my.utm.1078352024-10-08T06:11:58Z http://eprints.utm.my/107835/ Sensitivity performance of optical waveguide sensors with different shapes of cladding layer for microplastics detection M. Hanafi, A. I. Saris, Nur Najahatul Huda Idrus, S. M. Hamzah, Azura TK Electrical engineering. Electronics Nuclear engineering With microplastics pollution becoming a global concern, there comes a need for sensors to attain an optimal level of sensitivity to detect microplastics in water. This work investigated the effects of cladding layer shapes on the sensitivity performance of an optical waveguide sensor for microplastics detection in water. In this research, three different cladding shapes - C-shaped fiber, D-shaped fiber, and rectangular waveguide with circular core - were simulated by using Wave Optics Module-COMSOL Multiphysics® software. The results indicated that the C-shaped fiber exhibited significantly higher sensitivity, with a sensitivity value of 1.070x10-3 compared to the D-shaped fiber and rectangular waveguide with 3.845x10-4 and 3.842x10-4, respectively. The sensitivities of the D-shaped fiber and rectangular waveguide were relatively similar and did not exhibit any significant difference. The higher sensitivity of the C-shaped fiber is attributed to its larger exposed core area to the analyte, resulting in higher interaction of the evanescent wave with the analyte. However, fabricating the C-shaped fiber is more challenging compared to the other two shapes. This research highlights the significance of cladding shapes in optical waveguide sensor sensitivities and provides design optimization insights for microplastics detection in water. 2023 Conference or Workshop Item PeerReviewed application/pdf en http://eprints.utm.my/107835/1/NurNajahatulHuda2023_SensitivityPerformanceofOpticalWaveguide.pdf M. Hanafi, A. I. and Saris, Nur Najahatul Huda and Idrus, S. M. and Hamzah, Azura (2023) Sensitivity performance of optical waveguide sensors with different shapes of cladding layer for microplastics detection. In: 6th Photonics Meeting 2023, PM 2023, 10 June 2023 - 11 June 2023, Kuala Terengganu, Terengganu, Malaysia. http://dx.doi.org/10.1088/1742-6596/2627/1/012006
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/
language English
topic TK Electrical engineering. Electronics Nuclear engineering
spellingShingle TK Electrical engineering. Electronics Nuclear engineering
M. Hanafi, A. I.
Saris, Nur Najahatul Huda
Idrus, S. M.
Hamzah, Azura
Sensitivity performance of optical waveguide sensors with different shapes of cladding layer for microplastics detection
description With microplastics pollution becoming a global concern, there comes a need for sensors to attain an optimal level of sensitivity to detect microplastics in water. This work investigated the effects of cladding layer shapes on the sensitivity performance of an optical waveguide sensor for microplastics detection in water. In this research, three different cladding shapes - C-shaped fiber, D-shaped fiber, and rectangular waveguide with circular core - were simulated by using Wave Optics Module-COMSOL Multiphysics® software. The results indicated that the C-shaped fiber exhibited significantly higher sensitivity, with a sensitivity value of 1.070x10-3 compared to the D-shaped fiber and rectangular waveguide with 3.845x10-4 and 3.842x10-4, respectively. The sensitivities of the D-shaped fiber and rectangular waveguide were relatively similar and did not exhibit any significant difference. The higher sensitivity of the C-shaped fiber is attributed to its larger exposed core area to the analyte, resulting in higher interaction of the evanescent wave with the analyte. However, fabricating the C-shaped fiber is more challenging compared to the other two shapes. This research highlights the significance of cladding shapes in optical waveguide sensor sensitivities and provides design optimization insights for microplastics detection in water.
format Conference or Workshop Item
author M. Hanafi, A. I.
Saris, Nur Najahatul Huda
Idrus, S. M.
Hamzah, Azura
author_facet M. Hanafi, A. I.
Saris, Nur Najahatul Huda
Idrus, S. M.
Hamzah, Azura
author_sort M. Hanafi, A. I.
title Sensitivity performance of optical waveguide sensors with different shapes of cladding layer for microplastics detection
title_short Sensitivity performance of optical waveguide sensors with different shapes of cladding layer for microplastics detection
title_full Sensitivity performance of optical waveguide sensors with different shapes of cladding layer for microplastics detection
title_fullStr Sensitivity performance of optical waveguide sensors with different shapes of cladding layer for microplastics detection
title_full_unstemmed Sensitivity performance of optical waveguide sensors with different shapes of cladding layer for microplastics detection
title_sort sensitivity performance of optical waveguide sensors with different shapes of cladding layer for microplastics detection
publishDate 2023
url http://eprints.utm.my/107835/1/NurNajahatulHuda2023_SensitivityPerformanceofOpticalWaveguide.pdf
http://eprints.utm.my/107835/
http://dx.doi.org/10.1088/1742-6596/2627/1/012006
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