OPTICAL FIBER

摘要

An optical fiber comprising a core and a cladding, wherein the core is made of a polymer comprising units of methyl methacrylate, and the cladding is made of a copolymer comprising units of vinylidene fluoride and 0.5 to 10% by mole of units of hexafluoropropene, having good heat resistance and flexibility and is excellent in adhesivity between the core and the cladding.