Title :
Divalent ytterbium in ytterbium doped aluminosilicate glass - aspects on photodarkening in fiber lasers
Author :
Engholm, M. ; Norin, L.
Author_Institution :
Department of Information, Technology and Media, Physical Electronics and Photonics, Mid-Sweden University, S-851 70 Sundsvall, Sweden
Abstract :
We show that divalent ytterbium ions are present in ytterbium doped aluminosilicate glass. The presence of Yb2+-ions may influence the formation of induced color centers in ytterbium doped fiber lasers leading to reduced performance.
Keywords :
Electromagnetic wave absorption; Excitons; Fiber lasers; Glass; Luminescence; Optical losses; Particle beam optics; Photochromism; Solid lasers; Ytterbium;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2007. QELS '07
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/QELS.2007.4431293