Evolution of Oxygen Deficiency Center on Fused Silica Surface Irradiated by Ultraviolet Laser and Posttreatment
作者： Hai-Bing Lü , Shi-Zhen Xu , Hai-Jun Wang , Xiao-Dong Yuan , Chao Zhao
DOI: 10.1155/2014/769059
关键词:
摘要: Evolution of oxygen deficiency centers (ODCs) on a fused silica surface irradiated using 355 nm ultraviolet (UV) laser beam in both vacuum and atmospheric conditions was quantitatively studied photoluminescence X-ray photoelectron spectroscopy. When the fusedsilica exposed to UV vacuum, damage threshold decreased whereas concentration ODCs increased. For fuse operated under high power lasers, creation their resulted from irradiation, this is more severe vacuum. The fluence and/or intensity have significant effects increase concentration. can be effectively repaired postoxygen plasma treatment irradiation an excessive environment. Results also demonstrated that “gain” “loss” at reversible dynamic process.
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