26 April 1989 High Strength, All-Silica Fibers For Adverse Environments
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Abstract
An All-Silica fiber consisting of a pure silica core/doped silica cladding/hard polymer coating/fluoropolymer buffer was developed and characterized. The All-Silica fiber utilizes a 5-15μm thick proprietary hard polymer coating which is very adherent to the silica surface. The coating is shown to impart similar strength and fatigue characteristics to an All-Silica fiber as is achieved on standard (pure silica core) Hard Clad Silica (HCS®) fiber products. Characteristic strengths of 720 kpsi and static fatigue (n) parameter of 24 are typically observed on the All-Silica fiber presented. The dynamic strength and attenuation are also shown to remain stable during and after temperature cycling (-65 to 125°C) and temperature soak (up to 200°C). Buffered and unbuffered fibers were tested for biocompatibility, achieving a Class VI, Non-Toxic rating.
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James P. Clarkin, Bolesh J. Skutnik, "High Strength, All-Silica Fibers For Adverse Environments", Proc. SPIE 0992, Fiber Optics Reliability: Benign and Adverse Environments II, (26 April 1989); doi: 10.1117/12.960046; https://doi.org/10.1117/12.960046
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