Combined Radiations and Temperature Effects on FBGs Photo-inscribed by Femtosecond Laser in Radiation-Hardened Optical Fibers

T. Blanchet (1, 2) , A. Morana (2) , S. Nehr (1) , G. Laffont (1) , E. Marin (2) , A. Boukenter (2) , Y. Ouerdane (2) , S. Girard (2)

1 LCFO - Laboratoire Capteurs Fibres Optiques
2 LHC - Laboratoire Hubert Curien

We investigate the combined effects of X-rays and temperature (<450°C) on type II Fiber Bragg Gratings photo-inscribed with a femtosecond laser in two different radiation hardened optical fibers.

Keywords: Effective refractive index; Femtosecond lasers; Fiber Bragg gratings; Precision metrology; Refractive index; Tunable lasers

Domains: Instrumentation and Detectors [physics.ins-det]; Optics [physics.optics]; Nuclear Experiment [nucl-ex]

T. Blanchet, A. Morana, S. Nehr, G. Laffont, E. Marin, et al.. Combined Radiations and Temperature Effects on FBGs Photo-inscribed by Femtosecond Laser in Radiation-Hardened Optical Fibers. Bragg Gratings, Photosensitivity and Poling in Glass Waveguides and Materials, Jul 2018, Zurich, Switzerland. pp.BM4A.5, ⟨10.1364/BGPPM.2018.BM4A.5⟩. ⟨cea-01919595⟩