Title :
Ytterbium doped nano-crystalline optical fiber for reduced photodarkening
Author :
Yoo, S. ; Kalita, M.P. ; Boyland, A.J. ; Webb, A. ; Standish, R.J. ; Sahu, J.K. ; Paul, M.C. ; Das, S. ; Bhadra, S.K. ; Pal, M.
Author_Institution :
Optoelectron. Res. Centre, Univ. of Southampton, Southampton, UK
Abstract :
We report suppression of photodarkening in Yb-doped nano-crystalline fibers in silica host. The photodarkening induced loss reduced by 20 times compared to Yb-doped aluminosilicate fibers. The laser efficiency of the nano-crystalline fiber was 79%.
Keywords :
aluminium compounds; barium compounds; fibre lasers; lithium compounds; nanostructured materials; optical glass; phosphorus compounds; photochromism; silicon compounds; ytterbium; SiO2-Al2O3-P2O5-Li2O-BaO:Yb; nanocrystalline optical fiber; reduced photodarkening; Fiber lasers; Laser excitation; Nanoparticles; Optical fiber testing; Optical fibers; Optical materials; Photochromism; Pump lasers; Silicon compounds; Ytterbium;
Conference_Titel :
Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), 2010 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-890-2
Electronic_ISBN :
978-1-55752-890-2
