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High Speed Strength Testing of Optical Fiber

Published online by Cambridge University Press:  10 February 2011

G. S. Glaesemann ,
D. A. Clark ,
T. A. Hanson  and
D. J. Wissuchek
G. S. Glaesemann
Affiliation:
Corning Incorporated, Corning, NY 14831
D. A. Clark
Affiliation:
Corning Incorporated, Corning, NY 14831
T. A. Hanson
Affiliation:
Corning Incorporated, Corning, NY 14831
D. J. Wissuchek
Affiliation:
Corning Incorporated, Corning, NY 14831
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Abstract

Optical fiber models for mechanical reliability require that the initial strength and crack growth parameters be measured. High speed testing allows one to investigate and model common high-speed processing events during fiber processing such as proof testing, coloring and cabling. In this study stressing rates ranging from 7×10−6 GPa/s to 1.5 TPa/s were accomplished using a universal testing machine, belt slide and pneumatic piston. When plotted in typical dynamic fatigue fashion the data shows curvature at the faster stressing rates. The presence of region II type crack growth is suggested as a possible explanation for this curvature. A multi-region crack growth model is used to extract crack growth parameters that are used to make comparisons with crack velocity results on bulk glass.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 531: Symposium DD – Reliabilty of Photonics Materials & Structures , 1998 , 249
Copyright
Copyright © Materials Research Society 1998

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