IEC-60793-2-50 (C5)

Measurement methods and test procedures: Hydrogen Aging. This part of IEC 60793 cross referenced to IEC-60793-1-50, establishes uniform requirements for measuring the increase in attenuation of optical fiber when exposed to Hydrogen rich environments, thereby assisting in the certification of fibers and cables for commercial purposes. - Attenuation is a measure of the decreasing optical power in a fiber at a given wavelength. It depends on the nature, environment and length of the fiber, and in this instance, the wavelengths that are affected by the absorption of OH ions in the fiber

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