Spectroscopic and thermal properties of Cr,Yb:YAG crystal

被引：20
|
作者：
Xu, XD
Zhao, ZW
Wang, HH
Song, PX
Zhou, GQ
Xu, J
Deng, PZ
机构：
[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Crystat Ctr, Shanghai 201800, Peoples R China
[2] Shanghai Jiao Tong Univ, State Key Lab MMCs, Shanghai 200030, Peoples R China
来源：
JOURNAL OF CRYSTAL GROWTH | 2004年 / 262卷 / 1-4期
关键词：
doping; Czochralski method; growth from melt; yttrium compounds; solid state lasers;
D O I：
10.1016/j.jcrysgro.2003.10.034
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
The absorption spectra, emission under 940 nm excitation by laser diode, and fluorescence lifetimes of as-grown and annealed Cr,Yb:YAG crystal have been investigated at room temperature. The increase of absorption coefficients at 941 and 1030 nm and the quenching of Yb3+ emission intensity and fluorescence lifetime after annealing are due to the increase of the concentration of Cr4+ ions. The data of thermal expansion and specific heat of the crystal have been measured. The thermal expansion coefficient is alpha = 8.71 x 10(6) /K. The specific heat is 89.9 cal/mol K at 320.5 K. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：317 / 321
页数：5
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