Title :
Defect analysis of photodarkened and gamma-ray irradiated ytterbium-doped silica glasses
Author :
Arai, T. ; Ichii, K. ; Tanigawa, S. ; Fujimaki, M.
Author_Institution :
Opt. & Electron. Lab., Fujikura Ltd., Sakura
Abstract :
Defects in photodarkened and gamma-ray irradiated ytterbium (Yb)-doped silica glasses has been experimentally investigated. The results indicate that the formation of Al-oxygen hole center (Al-OHC) is the prime cause of the photodarkening loss.
Keywords :
alumina; colour centres; gamma-ray effects; glass; optical glass; paramagnetic resonance; photochromism; silicon compounds; ytterbium compounds; Al-oxygen hole center; ESR analysis; SiO2-Yb2O3-Al2O3; color centers; defect analysis; gamma-ray irradiation; photodarkening; ytterbium-doped silica glasses; Atomic measurements; Electromagnetic wave absorption; Fiber lasers; Glass; Optical pumping; Paramagnetic resonance; Photochromism; Power lasers; Silicon compounds; Ytterbium; (060.2320)Fiber optics amplifiers and oscillators; (140.3510)Lasers, fiber; (140.3615)Lasers, ytterbium;
Conference_Titel :
Optical Fiber Communication - incudes post deadline papers, 2009. OFC 2009. Conference on
Conference_Location :
San Diego, CA
Print_ISBN :
978-1-4244-2606-5
Electronic_ISBN :
978-1-55752-865-0
