欢迎您！东篱公司
退出
-
申报数据库
-
立项数据库
-
成果数据库
-
项目获奖数据库
中文摘要：
用熔融急冷法制备系列掺杂不同KBr含量且一定量Er3＋浓度的Ge25Ga10S65硫卤玻璃,测试样品折射率、吸收光谱及近中红外荧光光谱。通过吸收光谱计算Er3＋吸收谱线的振子强度,应用Judd-Ofelt理论计算分析Er3＋在不同系列Ge25Ga10S65玻璃的强度参数（Ωi,i=2,4,6）和4I11/2能级的计算能级寿命（τc）,并与测量能级寿命（τm）进行比较,研究其能级寿命的变化规律。结果表明：随着KBr浓度的增加,4I11/2的τc和τm均有所增加,τm=（6.61±0.19）ms,τc=10.82ms。研究样品玻璃中Er3＋：4I11/2→4I13/2能级间跃迁过程中的多声子弛豫率（Wmp）跟KBr浓度之间的关系,结果表明：随着KBr浓度的增加,4I11/2→4I13/2能级间跃迁过程中的Wmp有所减小,为133～58/s。
英文摘要：
A series of chalcogenide glasses based on a Ge25Ga10S65 system doped with different concentrations of KBr and constant Er3＋ were synthesized by the melt-quenching technique.Refractive indexes,absorption spectra and near mid-infrared emission spectra were measured.Oscillation strength of absorption line of Er3＋ was calculated according to the absorption spectra.Intensity parameters（Ωi,i = 2,4,6） and theoretical lifetimes（τc） of 4I11/2 energy level of Er3＋ were calculated by employing the Judd-Ofelt theory.Comparison of the τc with the measured lifetimes（τm） reveals that both measured and theoretical lifetimes increase as the KBr concentrations increase,and the maximum τm and τc values are（6.61±0.19） ms and 10.82 ms.A decrease in multiphonon relaxation rates with addition of KBr is associated with an increase of 4I11/2→4I13/2 manifolds width of Er3＋.The multiphonon relaxation rate（Wmp） was 133-58/s.
同期刊论文项目
同项目期刊论文
Research on the correlation between the optical gap and chemical bond in sulphur and selenium co-dop
Effect of CuI on the formation and properties of Te-based far infrared transmitting chalcogenide gla
Enhanced mid-IR luminescence of Tm3+ ions in Ga2S3 nanocrystals embedded chalcohalide glass ceramics
H2O influence evaluating and mid-IR fluorescence quenching in Tm3+-doped GeGaSCsI chalcohalide glass
Glass formation and properties of GeTe4-Ga2Te3-AgX (X = I/Br/Cl) far infrared transmitting chalcohal
Redshifted surface plasma resonance-induced enhancement of third-order optical nonlinearities in sil
Glass formation and properties of GeTe4-Ga2Te3-AgX (X=I/Br/Cl) far infrared transmitting chalcohalid
Glass formation and third-order optical nonlinear properties within TeO2-Bi2O3-BaO pseudo-ternary sy
Preparation and third-order optical nonlinearity of glass ceramics based on GeS2-Ga2S3-CsCl pseudo-t
Surface-plasmon enhanced ultrafast third-order optical nonlinearities in ellipsoidal gold nanopartic
Compositional dependence of the optical properties of novel Ge-Ga-Te-CsI far infrared transmitting c
A comparative study of optical and structural properties of Ge-Sb-Se thin films fabricated by sputte
期刊信息
位置：