Radiation hard humidity sensors based on polyimide-coated fiber Bragg gratings

G. Berruti; M. Consales; M. Giordano; L. Sansone; P. Petagna; S. Buontempo; G. Breglio; A. Cusano

doi:10.1117/12.2026023

20 May 2013 Radiation hard humidity sensors based on polyimide-coated fiber Bragg gratings

G. Berruti, M. Consales, M. Giordano, L. Sansone, P. Petagna, S. Buontempo, G. Breglio, A. Cusano

Proceedings Volume 8794, Fifth European Workshop on Optical Fibre Sensors; 879409 (2013) https://doi.org/10.1117/12.2026023
Event: Fifth European Workshop on Optical Fibre Sensors, 2013, Krakow, Poland

Abstract

We report on a feasibility analysis for the development of fiber optic humidity sensors to be applied in high-energy physics applications and in particular in experiments actually running at the European Organization for Nuclear Research (CERN). Due to the stringent sensors requirements concerning radiation hardness capability and low temperature operation, we focus our attention on the investigation of fiber optic humidity sensors based on polyimmide (PI)-coated Fiber Bragg Gratings (FBGs). Data here reported, obtained during a wide experimental campaign carried out in the laboratories of CERN, demonstrate that the selected technological platform is able to perform relative humidity (RH) measurements with percent resolution in the temperature range -15-20°C as well as in presence of ionizing radiations up to 10KGray, largely outperforming conventional humidity sensors, currently employed within CERN environment.

Citation Download Citation

G. Berruti, M. Consales, M. Giordano, L. Sansone, P. Petagna, S. Buontempo, G. Breglio, and A. Cusano "Radiation hard humidity sensors based on polyimide-coated fiber Bragg gratings", Proc. SPIE 8794, Fifth European Workshop on Optical Fibre Sensors, 879409 (20 May 2013); https://doi.org/10.1117/12.2026023

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