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1 October 2005 Phenomena associated to aging of silica optical fibers
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Four commercial single mode silica fibers were subjected to aging testing in hot water at different temperatures and durations. Static fatigue testing have showed an oscillating behaviour of fiber failure strength versus the aging duration, that may be explained through the structural relaxation phenomenon at the glass-polymer coating interface. For several aging durations, fibers appeared more resistant under static stress than the non-aged ones. The fiber strength measured dynamically, using a two point bending test, slightly decreased in the same aging conditions. Dynamic fatigue testing of as-aged fibers under permanent stress revealed an overall decrease of failure stress and a change of Weibull distribution towards a bi-modal dispersion. As-aged fibers presented a permanent curvature following aging treatment and drying.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Irina Severin, R. El Abdi, and M. Poulain "Phenomena associated to aging of silica optical fibers", Proc. SPIE 5970, Photonic Applications in Devices and Communication Systems, 597001 (1 October 2005);


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