From Event: SPIE Commercial + Scientific Sensing and Imaging, 2017
Standard telecom fibers are systematically studied using Raman spectroscopy as a function of time with increasing
temperature and for repeated thermal cycles between ambient temperature and 1000°C. Raman and transmission results
strongly suggest that the coupling between fiber core and cladding causes the losses and variations due to glass structural
evolution upon stress relaxation after annealing. This is of particular interest in light of recent proposal to understand
regeneration process in fiber Bragg gratings at elevated temperatures.
B. Bastola, B. Fischer, J. Roths, and A. Ruediger, "In-situ Raman investigation of optical fiber glass structural changes at high temperature," Proc. SPIE 10208, Fiber Optic Sensors and Applications XIV, 102080L (Presented at SPIE Commercial + Scientific Sensing and Imaging: April 12, 2017; Published: 27 April 2017); https://doi.org/10.1117/12.2262993.
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