Surface roughness and the sensitivity of D-shaped optical fibre sensors

Qazi, Hummad Habib and Memon, Sanober Farheen and Ali, Muhammad Mahmood and Irshad, Muhammad Sultan and Ehsan, Siddique Akhtar and Salim, Mohd Rashidi and Mohammad, Abu Bakar and Zulkifli, Mohd Zamani and Idrees, Muhammad (2019) Surface roughness and the sensitivity of D-shaped optical fibre sensors. Journal of Modern Optics, 66 (11). pp. 1244-1251. ISSN 0950-0340, DOI

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In this paper, the surface roughness characteristic of D-shaped optical fibre sensors with its effects on the sensitivity has been studied. The ULTRAPOL end and edge polishing system was used with some modifications to fabricate the D-shaped sensors with planar sensing zone from the single-mode optical fibres. The mean surface roughness of 343, 96, 25 and 9 nm was estimated at the sensing zone of the D-shaped sensors which were sequentially polished with 30, 9, 3 and 0.5 µm grit size polishing films, respectively. From the experimental results, it has been observed that surface roughness of the sensing zone does not exhibit the significant effects on the output signal strength, whereas the sensitivity of the D-shaped sensors nonlinearly related with the surface roughness of the sensing zone. The designed D-shaped optical fibre sensors have potential applications in biomedical and chemical industries. © 2019, © 2019 Informa UK Limited, trading as Taylor & Francis Group.

Item Type: Article
Funders: Higher Education Commission (HEC), Pakistan under the grant number 21-2194/SRGP/R&D/HEC/2018
Uncontrolled Keywords: D-shaped fibre; surface roughness; sensitivity of fibre sensor
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Deputy Vice Chancellor (Research & Innovation) Office > Photonics Research Centre
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 11 Feb 2020 01:15
Last Modified: 11 Feb 2020 01:15

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