Determining the thermal sensitivity of optical fibers using high order Fiber Gragg Gratings

Alexandre Lerner (1, 2) , Romain Cotillard (2) , Thomas Blanchet (2) , Nicolas Roussel (2) , Géraud Bouwmans (1) , Guillaume Laffont (2)

1 PhLAM - Laboratoire de Physique des Lasers, Atomes et Molécules - UMR 8523
2 LSPM (CEA, LIST) - Laboratoire Systèmes et Photonique pour le Monitoring (CEA, LIST)

The broadband wavelength-comb like response of high order Fiber Bragg Gratings is used to determine the intrinsic thermal sensitivity of the optical fiber material up to 900°C.

Mots clés: instrumentation; Fiber Bragg Grating; Optical Fiber Sensor; Distributed and Quasi-distributed sensing; temperature

Domaines: Optique [physics.optics]

Alexandre Lerner, Romain Cotillard, Thomas Blanchet, Nicolas Roussel, Géraud Bouwmans, et al.. Determining the thermal sensitivity of optical fibers using high order Fiber Gragg Gratings. OFS-28 - 28th International Conference on Optical Fiber Sensors, Nov 2023, Hamamatsu, Japan. , pp.Th6.89, 2023, ⟨10.1364/OFS.2023.Th6.89⟩. ⟨cea-04477572⟩