Operation Manual for the Intensity Based Interrogation of Fibre Bragg Grating Arrays on Vibrating Structures

Abstract : This technical note is provided as a companion document to DSTO TR-2370. The original technical report describes the development and evaluation of an intensity-based demodulation approach for the measurement of strains, induced by structural vibrations, using Fiber Bragg Gratings (FBG). This companion technical note contains a detailed set of operating instructions for interfacing the intensity based demodulation system with a frequency analyser to provide the Frequency Response Functions from a series of FBG arrays attached to a vibrating structure.