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Dynamic Strain Measurements by Fiber Bragg Gratings and a 100 MHz Dispersive Spectrometer

Abstract : We present dynamic optical strain measurements on a metallic cylinder asymmetrically loaded by explosives bands using 24 fiber Bragg gratings distributed along three fibers. The 100 MHz dispersive spectrometer reveals resonances without any electromagnetic perturbations compared to slower electrical strain gauges.
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https://hal-cea.archives-ouvertes.fr/cea-02549072
Contributor : Yohan Barbarin <>
Submitted on : Tuesday, April 21, 2020 - 10:55:45 AM
Last modification on : Thursday, April 23, 2020 - 1:11:22 AM

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Yohan Barbarin, V. Chuzeville, V. Colas, J.-M Chevalier, P. Héreil, et al.. Dynamic Strain Measurements by Fiber Bragg Gratings and a 100 MHz Dispersive Spectrometer. 2019 IEEE Photonics Conference (IPC), Sep 2019, San Antonio, United States. pp.1-2, ⟨10.1109/IPCon.2019.8908530⟩. ⟨cea-02549072⟩

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