Long-term optical reliability and lifetime predictability of double clad fibers

Jaroslaw Abramczyk; Harish Govindarajan; Wells Cunningham; Douglas Guertin; Kanishka Tankala

doi:10.1117/12.2080855

15 April 2015 Long-term optical reliability and lifetime predictability of double clad fibers

Jaroslaw Abramczyk, Harish Govindarajan, Wells Cunningham, Douglas Guertin, Kanishka Tankala

Author Affiliations +

Proceedings Volume 9344, Fiber Lasers XII: Technology, Systems, and Applications; 934415 (2015) https://doi.org/10.1117/12.2080855
Event: SPIE LASE, 2015, San Francisco, California, United States

Abstract

With the use of fiber lasers pervading diverse applications and environmental conditions, the long-term reliability of low index (LI) polymer coated double-clad (DC) fibers used for this purpose is significant. Mechanical reliability standards for 125um fibers are well established by Telcordia GR-20-CORE requirements and some work1 has been published investigating optical reliability of DC fibers with specially engineered coatings with respect to accelerated temperature and humidity aging. While these are helpful in providing a figure of merit to the optical reliability of LI fluoroacrylate coatings, it becomes important to decouple the effects of temperature and humidity in order to understand the underlying degradation mechanisms of LI polymers in various storage and operating environments. This paper identifies the effects of temperature and humidity on the spectral attenuation of DC fibers and presents a reliability model capable of predicting lifetimes under prolonged exposure to typical temperature and humidity conditions experienced during storage and operation of fiber lasers.

Citation Download Citation

Jaroslaw Abramczyk, Jaroslaw Abramczyk, Harish Govindarajan, Harish Govindarajan, Wells Cunningham, Wells Cunningham, Douglas Guertin, Douglas Guertin, Kanishka Tankala, Kanishka Tankala, "Long-term optical reliability and lifetime predictability of double clad fibers", Proc. SPIE 9344, Fiber Lasers XII: Technology, Systems, and Applications, 934415 (15 April 2015); doi: 10.1117/12.2080855; https://doi.org/10.1117/12.2080855

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