| 摘要 |
An optical transmission fiber comprising (1) a core of high refractive index composed of SiO2-based glass containing at least one of GeO2, As2O3, Sb2O5, SnO2, TiO2, PbO and Bi2O3, (2) a clad of low refractive index composed of SiO2-based glass containing at least one of B2O3, F, F/B2O3 and F/P2O5, and (3) an outermost jacket layer composed of SiO2 and/or SiO2-based glass containing at least one of Al2O3, TiO2, ZrO2 and HfO2.
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