The study of Sm 3+ -doped low-phonon-energy chalcohalide glasses

摘要：

The Sm 3+ -doped low-phonon-energy (LPE) Ge-Ga-Se-CsI glasses were studied. Upon excitation at 980 nm diode laser, intense 1.24 and 1.49 μ m near-infrared fluorescence bands with broad full width at half maximum (FWHM) of 49 and 53nm were observed, respectively. About 180-290 μ s fluorescence lifetimes were obtained for the 1.49 μ m emission. The thermal properties and structure of glasses were investigated by differential thermal analysis (DTA) and Raman spectra, respectively.Spectroscopic characteristics of the optical transitions have been calculated by using the Judd-Ofelt theory and evaluated for excited levels.

作者: Gao Tang Cunming Liu Zhiyong Yang Lan Luo Wei Chen

作者单位: Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050,China

会议类型: 国际会议

会议名称: The 12th Asian Pacific Confederation of Chemical Engineering Congress(第十二届亚太化工联盟大会暨化工展览会)

会议地点: 大连

会议语种:英文

在线出版日期: 2008-08-04（万方平台首次上网日期，不代表论文的发表时间）