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    OPTICAL FIBER-BASED SENSORS AND THEIR RECENT APPLICATIONS IN SCIENCE AND ENGINEERING

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    Este art铆culo presenta una revisi贸n de los sensores basados en fibra 贸ptica y sus principales caracter铆sticas y clasificaci贸n. Del mismo modo, el art铆culo incluye una serie de aplicaciones de sensores basados en fibra 贸ptica con rejillas de Bragg en diferentes campos de estudio de la investigaci贸n como la medicina, la ingenier铆a civil, la ingenier铆a de comunicaciones, la qu铆mica y la bioqu铆mica, entre otros. Dichos sensores se desarrollan aprovechando ciertas caracter铆sticas de las fibras 贸pticas, como la fotosensibilidad y la variaci贸n del 铆ndice de refracci贸n de su n煤cleo. Tambi茅n se analizan las aplicaciones de la fibra 贸ptica en la detecci贸n de se帽ales de telecomunicaciones, en particular como dispositivo de filtrado mediante el uso de rejillas de Bragg. Debido a su versatilidad, estos dispositivos 贸pticos han proporcionado resultados prometedores y se han convertido en una tecnolog铆a l铆der en los sistemas DWDM de pr贸xima generaci贸n, as铆 como en las redes de detecci贸n 贸ptica. This paper presents a review of fiber optic-based sensors and their main characteristics and classification. In the same way, the paper includes a series of applications of sensors based on fiber optics with Bragg gratings in different fields of study in research such as medicine, civil engineering, communications engineering, chemistry, and biochemistry, among others. Such sensors are developed taking advantage of certain characteristics of optical fibers, such as photosensitivity and the variation of the refractive index of their core.  Applications of fiber optics in the detection of telecommunications signals are also discussed, particularly as a filter device through the usage of Bragg gratings. Due to its versatility, these optical devices have provided promising results and have become a leading technology in next generation DWDM systems, as well as in optical sensing networks.&nbsp
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