An investigation on temperature sensitivity of conductive carbon coated fiber Bragg grating
We propose a conductive carbon coated fiber Bragg grating (FBG) temperature sensor for enhancing temperature sensitivity. The temperature sensitivity of the proposed sensor is effectively enhanced by approximately 4 times higher than those of the bare-type FBG sensors due to thermal expansion and ph...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Published: |
Elsevier
2021
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| Subjects: | |
| Online Access: | http://eprints.um.edu.my/36057/ https://www.scopus.com/inward/record.uri?eid=2-s2.0-85126750514&doi=10.1016%2fj.rio.2021.100164&partnerID=40&md5=12aecbb691b9e27a1e591ca2ec993b8f https://doi.org/10.1016/j.rio.2021.100164 |
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| Institution: | Universiti Malaya |
| Summary: | We propose a conductive carbon coated fiber Bragg grating (FBG) temperature sensor for enhancing temperature sensitivity. The temperature sensitivity of the proposed sensor is effectively enhanced by approximately 4 times higher than those of the bare-type FBG sensors due to thermal expansion and physical stress possessed by the conductive carbon coating, with the operating temperature ranging from 40 °C to 260 °C. The proposed sensor is much more convenient to fabricate compared to other similarly coated FBG sensors, giving a leap advantage of easy reformation of the coating to fit various housings. This proposed sensor is significantly ideal for various applications such as optoelectronic circuit and waveguide temperature measurement. © 2021 The Authors |
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