Photodarkening in optical fibres: Comparative study of photo-induced defects using different photon sources

Abstract

In this paper, recent investigation on Ce-doped fibres is presented and for the first time, parallel irradiation with high intensity photons in the NIR, UV, X-Ray and gamma ray wavelength regions was performed in order to study the materials structure and its relationship with photodarkening. A set of preform core samples are prepared with appropriate Al/Yb… (More)

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