Growth and spectroscopic characteristics of Nd-doped PbWO_4 crystal  

作　　者：王庆国 苏良碧 李红军 熊巍 袁晖 郑丽和 徐晓东 吴锋 唐慧丽 姜大朋 徐军 

机构地区：[1]Key Laboratory of Transparent and Opto-Functional Inorganic Materials,Shanghai Institute of Ceramics,Chinese Academy of Sciences [2]Graduate University of the Chinese Academy of Sciences

出　　处：《Chinese Physics B》2012年第5期323-329,共7页中国物理B（英文版）

基　　金：Project supported by the National Natural Science Foundation of China (Grant Nos. 60938001,60908030,61178056 and 51002175);the Hundred Talent Project of the Chinese Academy of Sciences

摘　　要：Nd-doped PbWO4 crystals are grown by using the modified Bridgman method.The spectroscopic properties of the crystals are investigated.The changes of the absorption band at 350 nm are discussed for samples annealed at 740℃ and 1040℃.The radiative lifetime of the 4 F 3/2 level is calculated by using the Judd-Ofelt theory according to the absorption spectrum of 0.5 at.% Nd-doped PbWO 4 crystal.The spontaneous Raman scattering properties of the crystals are analysed.Nd-doped PbWO4 crystals are grown by using the modified Bridgman method.The spectroscopic properties of the crystals are investigated.The changes of the absorption band at 350 nm are discussed for samples annealed at 740℃ and 1040℃.The radiative lifetime of the 4 F 3/2 level is calculated by using the Judd-Ofelt theory according to the absorption spectrum of 0.5 at.% Nd-doped PbWO 4 crystal.The spontaneous Raman scattering properties of the crystals are analysed.

关 键 词：PbWO 4 Bridgman method Judd-Ofelt theory Raman spectra 

分 类 号：TN304[电子电信—物理电子学]