Highly sensitive fiber-optic temperature sensor based on tapered no-core fiber for biomedical and biomechanical applications
Abstract
A low-cost, easy to fabricate real-time temperature sensation device built on an In-Line Mach–Zehnder interferometer basis was manufactured by fusing a segment of no-core fiber amongst two fibers of single-mode. Two different structures, tapered no-core fiber, and untapered no-core fiber both retaining acrylate polymer coating were investigated. The 3 cm length tapered no-core fiber sensor showed the highest sensitivities of ∼ −1.943 nm ◦C−1 and ∼ −1.954 nm ◦C−1 for two different dips respectively. The sensor exhibited high linearity with a very good resolution of 0.0102 ◦C. making the most of the high coefficient of thermal expansion, thermo-optic properties of the acrylate polymer, and the tapering effect, the sensor could be utilized in many temperatures observing applications like biochemical labs, biomechanical studies, and bio-sensing analyses.
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PDFDOI: http://dx.doi.org/10.21533/pen.v9i2.1892
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Copyright (c) 2021 Mohammad M. Hasan, Hanan J. Taher, Saif A. Mohammed
This work is licensed under a Creative Commons Attribution 4.0 International License.
ISSN: 2303-4521
Digital Object Identifier DOI: 10.21533/pen
This work is licensed under a Creative Commons Attribution 4.0 International License