Archive > Volume 20 Issue 9 > 2024,20(9):531-536. DOI:https://doi.org/10.1007/s11801-024-3190-6 CSTR:[cstr] Prev Next
Investigation on FBG based optical sensor for pressure and temperature measurement in civil application
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Abstract:
Optical fiber Bragg grating (FBG) sensors have advanced significantly in the last several years. The use of innovative FBG in temperature and pressure measurement is examined in this study. The benefits of FBGs, such as their compact size, low weight, resilience to corrosion, immunity to electromagnetic interference, distributed sensing, and remote monitoring, have brought attention to the growing research in this field of structural health monitoring of civil infrastructures. In this investigation, a novel model is proposed and implemented using ANSYS workbench and GratingMOD tool. It is shown that the central wavelength of FBG sensors increased from 1 550 nm to 1 556 nm when the temperature rose from 10 °C to 40 °C. In a similar vein, the central wavelength grew from 1 551.166 7 nm to 1 560.056 nm over a pressure range from 100 MPa to 600 MPa. The claimed work will make it possible to calibrate sensors more precisely, guaranteeing accurate data and being useful in monitoring numerous parameters at once, making them beneficial in a variety of applications.
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