Abstract
Recently, an optical fiber sensor technology OFS takes a significant researchers’ attention due to its advantages over a conventional sensor technologies. Fiber Bragg grating (FBG) and long period fiber grating (LPFG) are the most important OFS technologies. Enhance the sensor sensitivity and performance are still a matter of challenge nowadays. This work is analysis of the new configuration of TiO2-coated cascade FBG-LPFG sensor performance and comparing it with bare FBG-LPFG and single FBG sensors. The results show an enhancement of sensitivity, repeatability, and stability of the new configuration sensor. For temperature sensitivity, the enhanced values were 2.5 nm/°C and 3.4 nm/°C higher than the sensitivity of bare FBG-LPFG and single FBG sensors, respectively. For pressure sensitivity, the enhanced values were 3.1 nm/Pa and 2.8 nm/Pa higher than the sensitivity of bare FBG-LPFG and single FBG sensors, respectively. Thus, TiO2-coated FBG-LPFG could be regarded as an ideal candidate for high temperature and pressure sensitivities.
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Alshaikhli, Z.S., Hekmat, W.A. (2022). Analysis of Pressure and Temperature Sensitivity Based on Coated Cascade FBG-LPFG Sensor. In: Mohanty, M.N., Das, S. (eds) Advances in Intelligent Computing and Communication. Lecture Notes in Networks and Systems, vol 430. Springer, Singapore. https://doi.org/10.1007/978-981-19-0825-5_53
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DOI: https://doi.org/10.1007/978-981-19-0825-5_53
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