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Proceedings Paper

Surface fictive temperature of silica optical fibers
Author(s): Minoru Tomozawa; YongKeun Lee
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Paper Abstract

Fictive temperatures of an optical fiber surface were measured using IR reflection spectroscopy with a microscope attachment. The measurement was possible because the IR peak wavenumber of the silica structural band exhibited a good correlation with the fictive temperature of silica glasses. The fictive temperature of the silica optical fiber surface was extremely high, higher than that of the interior of the fiber by several hundred degree(s)C. On the other hand, during the fiber drawing, the temperature difference between the surface and interior of the fiber is estimated to be small, approximately 10 degree(s)C, and the difference in cooling rate between the fiber surface and interior is considered negligible. The observed high fictive temperature of the fiber surface was attributed to the high tensile stress of the surface layer during the fiber drawing.

Paper Details

Date Published: 29 December 1999
PDF: 8 pages
Proc. SPIE 3848, Optical Fiber Reliability and Testing, (29 December 1999); doi: 10.1117/12.372763
Show Author Affiliations
Minoru Tomozawa, Rensselaer Polytechnic Institute (United States)
YongKeun Lee, Rensselaer Polytechnic Institute (South Korea)

Published in SPIE Proceedings Vol. 3848:
Optical Fiber Reliability and Testing
M. John Matthewson, Editor(s)

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