20110116283 | LIFETIME EXTENDING AND PERFORMANCE IMPROVEMENTS OF OPTICAL FIBERS VIA LOADING - The invention relates to an optical fiber comprising a core and a cladding comprising a core material and a cladding material, respectively, wherein said fiber is a non-linear microstructured optical fiber, said microstructured optical fiber being obtainable by a method comprising loading with hydrogen and/or deuterium and optionally anneal and/or irradiation hereby the lifetime of the fiber may be extended in high power applications. | 05-19-2011 |