Fiber optic sensors are becoming the backbone of smart city infrastructure. Fiber-optic sensing (FOS) technology has emerged as a cutting-edge research focus in the sensor field due to its miniaturized structure, high sensitivity, and remarkable electromagnetic interference immunity. Depending on the area of application, the light-guiding fibers perform various tasks, some of which we. This perspective article delves into the current performance limitations of distributed optical fiber sensors and proposes avenues for future advancements, as envisioned by the author, whose four-decade-long career has been dedicated to this transformative field. Compared with conventional sensing technologies, FOS demonstrates superior capabilities in. In recent years, optical fiber sensing technology has resulted in significant advancements in various fields, including power, petroleum, the chemical industry, construction, transportation, healthcare, and environmental protection. Renowned for their precision and versatility, they are used in everything from telecommunications to healthcare. But as we approach 2025, exciting advancements are on the horizon that could redefine how these sensors work.
