COLORED OPTICAL FIBER AND OPTICAL FIBER RIBBON ASSEMBLY CONTAINING SAID FIBER

摘要

Optical fiber ribbon comprising an optical fiber having a radiation curable internal coating and a radiation curable colored coating disposed to surround said internal coating, and a radiation curable matrix material surrounding one or more of said optical fibers to form a ribbon, in which : said colored coating has a degree of adhesion to the inner coating which is higher than the degree of adhesion to the matrix material; and said optical fiber in said optical fiber ribbon shows, upon aging to the ribbon for at least two weeks in water at 60 DEG C, an increase in the attenuation of the transmitted signal at 1550 nm of less than 0.05 db/km with respect to the attenuation of the assembled optical fiber measured before aging.