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Curvature sensor utilizing evanescent field propagation via microfibers


Latif, A. A. and Mohamad, F. and Abu Bakar, Muhammad Hafiz and Mustapa, M. A. and Awang, N. A. and Zakaria, Zahriladha (2019) Curvature sensor utilizing evanescent field propagation via microfibers. Journal of Physics: Conference Series, 1151 (1). pp. 1-6. ISSN 1742-6588; ESSN: 1742-6596


In this study, we introduce curvature optical fiber sensor utilizing high sensitivity microfiber having a potential for pipeline monitoring system. The size of standard single mode fibers was narrowed down to different sizes with diameters of 10, 15 and 20 µm. Meanwhile, the up and down tapers were maintained at 2 mm, each, with waist lengths, were fixed at 15 mm, each. In this work, the microfibers with 15 and 20 µm of diameter sizes were able to detect a high bending sensitivity with the response of 3.4 nm/m−1 and 4.92 nm/m−1 by using an optical spectrum analyzer with 0.02 nm of optical resolution. This strategy is beneficial and practical in contrast to the ordinary system of utilizing a couple of hundred km ultrasonic long-range for pipeline monitoring. The proposed design can be permanently conceived in the pipeline to reduce the cost to achieve areas which require rehashed examinations.

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Additional Metadata

Item Type: Article
Divisions: Faculty of Biotechnology and Biomolecular Sciences
Faculty of Science
DOI Number: https://doi.org/10.1088/1742-6596/1151/1/012024
Publisher: IOP Publishing
Keywords: Optical fiber sensor; Microfiber; Fiber optic
Depositing User: Ms. Nuraida Ibrahim
Date Deposited: 10 Sep 2020 03:44
Last Modified: 10 Sep 2020 03:44
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1088/1742-6596/1151/1/012024
URI: http://psasir.upm.edu.my/id/eprint/81067
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