7 March 2016 Mechanical properties of polyimide coated optical fibers at elevated temperatures
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Abstract
High temperature mechanical strength and reliability of optical fibers have become important subjects as optical fibers are increasingly used for harsher environments. Theories and models of fiber mechanical properties established for traditional telecommunications applications may need to be validated for applications at elevated temperatures. In this paper, we describe the test setup for high temperature tensile strength of fiber and report initial results of dynamic tensile strength of polyimide coated optical fiber at 300 and 350ºC for different heating time intervals. The results are compared with room temperature strength data, data available in the literature, and our earlier work on thermogravimetric analysis (TGA) weight loss of the polyimide coating and the observations on surface morphology at elevated temperatures. Interesting observations are discussed and possible explanations are proposed.
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Lei Huang, Robert S. Dyer, Ralph J. Lago, Andrei A. Stolov, Jie Li, "Mechanical properties of polyimide coated optical fibers at elevated temperatures", Proc. SPIE 9702, Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XVI, 97020Y (7 March 2016); doi: 10.1117/12.2210957; https://doi.org/10.1117/12.2210957
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