Abstract
This paper discusses the radio-frequency method of interrogation of FBG, its properties, operating principles, and distinctive features. The aim of the work is the consideration and application of FBG interrogation by the radio frequency method. During the work, a theoretical study was conducted, as well as practical modeling of this method. Particular attention is paid to the consideration of fiber-optic sensors and interrogators. Their classification was presented. It describes in detail the various interrogators that are most suitable for the considered method of interrogation. As a result of the work, the dependence of the effect of temperature on the grating shift was revealed.
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