Acoustic emission monitoring of structural perturbations with serially multiplexed optical fiber sensors

Yujin Liang; Changsen Sun; Farhad Ansari

doi:10.1117/12.600892

9 May 2005 Acoustic emission monitoring of structural perturbations with serially multiplexed optical fiber sensors

Yujin Liang, Changsen Sun, Farhad Ansari

Proceedings Volume 5769, Nondestructive Detection and Measurement for Homeland Security III; (2005) https://doi.org/10.1117/12.600892
Event: Nondestructive Evaluation for Health Monitoring and Diagnostics, 2005, San Diego, CA, United States

Abstract

Damage location and damage state identification of a hybrid Carbon-glass FRP rod was performed by means of a serially multiplexed fiber optic acoustic emission sensor. The detection and identification of acoustic emission signals along a single data stream reduces the data acquisition rigor and provides for rapid real time damage location detection in materials. Linear source location method and signature frequency spectra energy of acoustic emission signals were employed for locating the fiber breakage and distinguishing the damage state in the hybrid FRP rod, respectively.

Citation Download Citation

Yujin Liang, Changsen Sun, and Farhad Ansari "Acoustic emission monitoring of structural perturbations with serially multiplexed optical fiber sensors", Proc. SPIE 5769, Nondestructive Detection and Measurement for Homeland Security III, (9 May 2005); https://doi.org/10.1117/12.600892

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