High-speed internal strain measurements in composite structures under dynamic load using embedded FBG sensors

Volume: 92, Issue: 8, Pages: 1905 - 1912
Published: Jul 1, 2010
Abstract
Internal strain measurements in cross-ply carbon-epoxy composite plates under dynamic loads are carried out using embedded FBG sensors. The principle of the FBG interrogation is based on intensity demodulation achieved via a Fabry-Perot filter. To account for the non-linearity of the filter, the system is calibrated and the amplitude of the strain data is validated. Strains are acquired at a rate of 100 kHz with a noise level as low as 2 μe and...
Paper Details
Title
High-speed internal strain measurements in composite structures under dynamic load using embedded FBG sensors
Published Date
Jul 1, 2010
Volume
92
Issue
8
Pages
1905 - 1912
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