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Proceedings Paper

Stress-free aging of optical fibers in liquid water and humid environments: part 1
Author(s): Michael T. Kennedy; Enrique Cuellar; Daniel R. Roberts
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Paper Abstract

The strength degradation of three commercially available telecommunications fibers was evaluated after stress-free aging in 85°C liquid water, 85°C at 94% r.h., 85°C at 85% r.h., and 85°C at 60% r.h. Interim results show that the three fibers show different aging resistances, depending on the environment. Strength loss of up to 50% after 45 days in 85°C water was observed. Atomic Force Microscopy was used to image the cladding surface, and estimate the strength determining flaw size. The data show qualitative correlation between strength loss and flaw size. While the mechanisms underlying stress-free crack growth are not well understood, strength degradation must be predicted, nonetheless, in order to ensure acceptable reliability for fiber-based systems in the outside plant.

Paper Details

Date Published: 1 February 1992
PDF: 11 pages
Proc. SPIE 1580, Fiber Optic Components and Reliability, (1 February 1992); doi: 10.1117/12.135410
Show Author Affiliations
Michael T. Kennedy, Raynet Corp. (United States)
Enrique Cuellar, Raynet Corp. (United States)
Daniel R. Roberts, Raynet Corp. (United States)


Published in SPIE Proceedings Vol. 1580:
Fiber Optic Components and Reliability

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