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|Title:||Fs FBGs as probes to monitor thermal regeneration mechanisms||Authors:||Chah, K.
|Issue Date:||2019||Publisher:||SPIE||Series/Report no.:||Proceedings of SPIE||Abstract:||This paper shows that fiber Bragg gratings written in standard single mode optical fiber with IR femtosecond pulses and point-by-point technique are high temperature resistant (< 1000 degrees C). Moreover, after calibration process, these gratings can be used as a reference to study and discriminate between different high temperature annealing mechanisms involved in other types of gratings and/or fibers. Here we have considered the regeneration process of gratings written by UV laser in boron/germanium co-doped single mode optical fiber. Hence, the monitoring of grating strength and differential wavelength shift between femtosecond and type-I gratings during annealing cycle yields the wavelength shift due to the annealing of doping (mainly boron) and UV-related defects and their relative contributions to the regeneration mechanism.||Description:||7th European Workshop on Optical Fibre Sensors (EWOFS) -- OCT 01-04, 2019 -- Limassol, CYPRUS||URI:||https://doi.org/10.1117/12.2541130
|Appears in Collections:||Electrical - Electronic Engineering / Elektrik - Elektronik Mühendisliği|
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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