Optical fiber and method of producing an optical fiber

摘要

An optical fibre package is described which comprises a light transmitting core having a core diameter, a coating layer surrounding the core, and wherein the amount of chlorine in the light transmitting core region is homogeneous and comprises at least 3000ppm. The fibre package is such that the optical fibre core exhibits a reduction in the hydrogen induced attenuation losses. The core may comprise SiO2. A method for fabricating the optical fibre package is also disclosed.