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This document discusses the use of fiber Bragg grating (FBG) sensors for passive guided wave measurements in structural health monitoring (SHM) systems. It demonstrates that FBG sensors, which cannot emit waves, can effectively utilize ambient noise cross-correlation techniques to extract coherent guided waves, potentially leading to a fully FBG-based monitoring system. The experimental results show promise for this approach at ultrasonic frequencies, highlighting its advantages in terms of reduced power co

Author

jmescalante

Language

EN