Testing and mechanical reliability of Er-doped optical fibers

Fredrick Bacon; Jesse D. Geroy

doi:10.1117/12.372779

29 December 1999 Testing and mechanical reliability of Er-doped optical fibers

Fredrick Bacon, Jesse D. Geroy

Proceedings Volume 3848, Optical Fiber Reliability and Testing; (1999) https://doi.org/10.1117/12.372779
Event: Photonics East '99, 1999, Boston, MA, United States

Abstract

Erbium-doped silica optical fiber amplifiers have emerged as an effective means of restoring the power of optical signals due to losses caused by attenuation, interconnect components or signal splitting. With these optical fiber amplifiers, modest lengths of the amplifier fiber can be placed at appropriate distances along the optical fiber network to boost the signal as needed. Although short lengths, typically less than ten meters, of fiber are required, the mechanical strength and reliability of Er-doped fibers are still essential for their successful use in the telecommunication industry. This paper reports the results of mechanical strength characterization of four-meter gauge lengths of single mode Er-doped amplifiers. Dynamic fatigue strength measurements reveal that these fibers have nearly unimodal strength distributions with median strengths in the range of 4.8 to 5 G Pa and Weibull slopes in the range of 16.6 to 69. Measured N-parameters of 24.4 +/- 0.7 to 27.4 +/- 0.6 for these fibers are higher than expected for acrylated urethane coated fibers and are comparable to N- parameters measured for standard telecom fiber. That the measured N-parameter before cycling (or 24.4 +/- 0.7) does not differ significantly from the N-parameter after 85C/85% RH-cycling (or 24.4 +/- 0.6) suggests very good resistance of these fibers to environmentally adverse conditions.

Citation Download Citation

Fredrick Bacon and Jesse D. Geroy "Testing and mechanical reliability of Er-doped optical fibers", Proc. SPIE 3848, Optical Fiber Reliability and Testing, (29 December 1999); https://doi.org/10.1117/12.372779

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KEYWORDS

Failure analysis

Optical fibers

Fiber amplifiers

Optical amplifiers

Signal attenuation

Protactinium

Reliability

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