The present review paper provides an in-depth analysis of FBG sensors, including their fundamental operating principles, fabrication techniques, types, extensive applications, challenges as of now, and future prospects. In the vast realm of optical fiber sensing, where precision and innovation converge, Fiber Bragg Gratings (FBGs) stand as luminaries, casting their influence across myriad applications. By aligning the reflection spectrum edges with the EP condition, significant sensitivity enhancement is achieved under a power interrogation scheme. Classical approaches to measurements based on temperature and mechanical.
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