Title :
Experimental verification of spatial distribution of photodarkening in large mode area ytterbium doped fibers
Author :
Hotoleanu, Mircea ; Koponen, Joona ; Kokki, Teemu ; Laurila, Marko
Author_Institution :
Liekki Corp., Lohja
Abstract :
We experimentally demonstrated that photodarkening is not uniformly distributed in the cross-section of bent LMA fibers. Photodarkening distribution depends on coiling diameter, and affects the use of fibers in applications and their photodarkening propensity measurement.
Keywords :
optical fibre amplifiers; photochromism; ytterbium; JkJk:Yb; bent LMA fibers; photodarkening; photodarkening propensity measurement; spatial distribution; ytterbium doped fibers; Bars; Degradation; Doped fiber amplifiers; Fiber lasers; Performance evaluation; Photochromism; Power measurement; Stimulated emission; Volume measurement; Ytterbium; (060.2270) Fiber characterization; (060.3510) Lasers, fiber;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
