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2010-09-08 - Colloque/Article dans les actes avec comité de lecture - Anglais - 4 page(s)

Barrera David, Finazzi Vittoria, Coviello Gianluca, Bueno Martinez Antonio , Sales Salvador, Pruneri Valerio, "Wavelength encoded fiber sensor for extreme temperature range" in 4th European Workshop on Optical Fibre Sensors, 7653, 76530E-1-76530E-4, Porto, Portugal, 2010

  • Codes CREF : Capteurs et périphériques (DI2563), Optique des fibres (électromagnétisme) (DI1252)

Abstract(s) :

(Anglais) We have successfully created Chemical Composition Gratings (CCGs) into two different types of optical fiber: standard telecommunications Germanium doped fibers and photosensitive Germanium/Boron co-doped fibers. We have performed temperature cycles for analyzing the sensing properties and degradation or hysteresis with respect to the CCG sensors. The results show that CCG sensors based on Germanium/Boron co-doped photosensitive fiber have an almost linear response and negligible hysteresis effects, with a response of almost 100°C/s.