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Review of Chirped Fiber Bragg Grating (CFBG) Fiber-Optic Sensors and Their Applications

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dc.contributor.author Tosi, Daniele
dc.date.accessioned 2019-04-27T10:24:38Z
dc.date.available 2019-04-27T10:24:38Z
dc.date.issued 2018-07-04
dc.identifier.citation Tosi, D. Review of Chirped Fiber Bragg Grating (CFBG) Fiber-Optic Sensors and Their Applications. Sensors 2018, 18, 2147 en_US
dc.identifier.uri http://nur.nu.edu.kz/handle/123456789/3865
dc.description.abstract Fiber Bragg Gratings (FBGs) are one of the most popular technology within fiber-optic sensors, and they allow the measurement of mechanical, thermal, and physical parameters. In recent years, a strong emphasis has been placed on the fabrication and application of chirped FBGs (CFBGs), which are characterized by a non-uniform modulation of the refractive index within the core of an optical fiber. A CFBG behaves as a cascade of FBGs, each one reflecting a narrow spectrum that depends on temperature and/or strain. The key characteristic of CFBGs is that their reflection spectrum depends on the strain/temperature observed in each section of the grating; thus, they enable a short-length distributed sensing, whereas it is possible to detect spatially resolved variations of temperature or strain with resolution on the order of a millimeter over the grating length. Based on this premise, CFBGs have found important applications in healthcare, mechanical engineering, and shock waves analysis, among others. This work reviews the present and emerging trends in CFBG sensors, focusing on all aspects of the sensing element and outlining the application case scenarios for which CFBG sensors have been demonstrated. en_US
dc.language.iso en en_US
dc.publisher MDPI en_US
dc.rights Attribution-NonCommercial-ShareAlike 3.0 United States *
dc.rights.uri http://creativecommons.org/licenses/by-nc-sa/3.0/us/ *
dc.subject fiber optic sensors en_US
dc.subject Fiber Bragg Grating (FBG) en_US
dc.subject Chirped Fiber Bragg Grating (CFBG) en_US
dc.subject FBG sensors en_US
dc.subject photosensitivity en_US
dc.title Review of Chirped Fiber Bragg Grating (CFBG) Fiber-Optic Sensors and Their Applications en_US
dc.type Article en_US
workflow.import.source science

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