Phase diagram, growth and spectral characteristic of Yb3+:KY(WO4)2 crystal

被引：20
作者：
Tang, LY
Lin, ZB
Zhang, LZ
Wang, GF [1 ]
机构：
[1] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fujian 350002, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
来源：
JOURNAL OF CRYSTAL GROWTH | 2005年 / 282卷 / 3-4期
基金：
中国国家自然科学基金;
关键词：
phase diagrams; X-ray diffraction; growth from high-temperature solutions; tungstates;
D O I：
10.1016/j.jcrysgro.2005.05.024
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
The phase diagram of Yb3+ : KY(WO4)(2)-K2WO4/KF has been determined by means of XRD and DSC. Yb3+ :KY(WO4)(2)-K2WO4/KF system has very low volatility, and has high solubility and a large growing temperature region of about 200 K for Yb3+ : KY(WO4)(2) crystal. Yb3+: KY(WO4)(2) crystal with the dimension up to 37 x 22 x 10mm(3) has been grown from a flux of 40mol%K2WO4/KF by TSSG method. The hardness of Yb3+ :KY(WO4)(2) is 286.3 VDH. Yb3+ : KY(WO4)(2) crystal has large absorption and emission cross-sections which are 1.67 x 10(-20) cm(2) at 981 nm and 1.82 x 10(-20)cm(2) at 1024 nm respectively for E//X. The fluorescence lifetime is 1.23 ms at room temperature. The laser performance parameters of Yb3+: KY(WO4)(2) crystal were evaluated. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：376 / 382
页数：7
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