Optimization of Dy3+-doped Ge–Ga–As–S–CsBr glass composition and its 1.31 μm emission properties
作者： Yong Beom Shin , Chang Kuk Yang , Jong Heo
DOI: 10.1016/S0022-3093(02)00946-8
关键词: Analytical chemistry 、 Impurity 、 Chemistry 、 Sulfide 、 Photoluminescence 、 Phonon 、 Quantum yield 、 Quantum efficiency 、 Doping 、 Composition (visual arts) 、 Inorganic chemistry
摘要: Abstract An optimum glass composition for practical fiber fabrication was investigated Ge–Ga–As–S–CsBr glasses. Dy 3+ doped into the glasses and its emission properties were examined. The best use 0.7[Ge0.25As0.1S0.65]–0.15GaS3/2–0.15CsBr. This also exhibited high resistance against attack of liquid water. lifetime quantum efficiency 1.31 μm from increased approximately 17 4 times, respectively, compared to those obtained other sulfide is due formation [GaS3/2Br]− units. frequency effective phonon which dominates multiphonon relaxation process decreased 375 245 cm−1 with addition CsBr.
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