Up-conversion fluorescence in Er-doped chalcogenide glasses based on GeS2–Ga2S3 system

Up-conversion fluorescence in Er-doped chalcogenide glasses based on GeS2–Ga2S3 system
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基于 GeS2-Ga2S3 系统的掺铒硫系玻璃的上转换荧光

DOI：
10.1016/s0022-3093(01)00483-5
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发表时间：
2001
期刊：
影响因子：
--
通讯作者：
Y. Tver’yanovich
Y. Tver’yanovich
中科院分区：
--
文献类型：
--
作者：
A. Tverjanovich;Ya.G. Grigoriev;S. Degtyarev;A. Kurochkin;A. Manshina;Y. Tver’yanovich

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在ga2s3 - ges2 - er2s3体系玻璃中，研究了813和1550 nm激发下的上转换荧光。研究了玻璃基体组成和铒浓度对发光吸收光谱的影响。相对于Ge，增加Ga含量降低了铒浓度的猝灭效果。上转换荧光的效率对样品的热历史有很强的依赖性。对玻璃进行退火处理，降低合成温度，使玻璃的发光强度增大。
The up-conversion fluorescence excited with 813 and 1550 nm light is investigated in glasses of the Ga2S3–GeS2–Er2S3system. The influence of the glassy matrix composition and Er concentration on the luminescence and absorption spectra is studied. Increasing the Ga content relative to Ge decreases the erbium concentration quenching effect. The efficiency of up-conversion fluorescence has a strong dependence on thermal history of the sample. Annealing of the glasses and decreasing the synthesis temperature increase the luminescence intensity.