Radiation hardening of FBG in harsh environments

A. Morana; S. Girard; E. Marin; C. Marcandella; J. Périsse; J. R. Macé; A. Boukenter; M. Cannas; Y. Ouerdane

doi:10.1117/12.2059600

2 June 2014 Radiation hardening of FBG in harsh environments

A. Morana, S. Girard, E. Marin, C. Marcandella, J. Périsse, J. R. Macé, A. Boukenter, M. Cannas, Y. Ouerdane

Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 91578I (2014) https://doi.org/10.1117/12.2059600
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain

Abstract

The difficulties encountered in the implementation of a temperature or strain sensor based on Fiber Bragg Grating in a harsh radiative environment are introduced. We present the choices made to select both a radiation-resistant fiber in terms of transmission and also the grating inscription conditions necessary to write radiation tolerant FBGs in such fibers with a femto-second laser. The response of different classes of gratings was also studied under radiation at high doses (<1MGy). The comparison between F- and Ge-doped fibers was highlighted.

Citation Download Citation

A. Morana, S. Girard, E. Marin, C. Marcandella, J. Périsse, J. R. Macé, A. Boukenter, M. Cannas, and Y. Ouerdane "Radiation hardening of FBG in harsh environments", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91578I (2 June 2014); https://doi.org/10.1117/12.2059600

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