Growth and optical properties of a new promising laser material Er3+/Yb3+:Ca9Y(VO4)7

被引：19

作者：

Yuan, Feifei ^{[1
,2
]}

Zhao, Wang ^{[3
]}

Huang, Yisheng ^{[1
]}

Zhang, Lizhen ^{[1
]}

Sun, Shijia ^{[1
]}

Lin, Zhoubin ^{[1
]}

Wang, Guofu ^{[1
]}

机构：

[1] Chinese Acad Sci, Fujian Inst Res Struct Matter, Key Lab Optoelect Mat Chem & Phys, Fuzhou 350002, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

[3] Huainan Normal Univ, Dept Phys, Anhui Key Lab Low Temp Cofired Mat, Huainan 232038, Anhui, Peoples R China

来源：

OPTICS COMMUNICATIONS | 2014年 / 328卷

基金：

中国国家自然科学基金;

关键词：

Laser crystal; Crystal growth; Thermal properties; Spectral Properties; Er3+/Yb3+:Ca9Y(VO4)(7) crystal; SPECTRAL PROPERTIES; ENERGY-TRANSFER; CRYSTAL; GLASS; PERFORMANCE; ABSORPTION; EMISSION; POWER; ER3+; YB3+;

D O I：

10.1016/j.optcom.2014.04.047

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Er3+/Yb3+:Ca9Y(VO4)(7) crystal with dimensions of empty set 20 x 25 mm(2) was grown successfully by the Czochralski method. Its thermal and spectral properties were investigated in detail. The thermal expansion coefficients are 1.39 x 10(-5) K-1 and 1.63 x 10(-5) K-1 along a-axis and c-axis, respectively. The thermal conductivity is about 1 W/(m K) at room temperature. The absorption bands near 980 nm have a full-width at half-maximum of 37 nm and 26 nm for sigma- and pi-polarization, respectively. The fluorescence lifetime of the I-4(13/2) level of Er3+ is 4.12 ms. The emission cross sections calculated by the Richtbauer-Ladenburg method at 1533 nm are 1.58 x 10(-20) cm(2) and 1.57 x 10(-20) cm(2) for sigma- and pi-polarization, respectively. The results indicate that Er3+/Nb3+:Ca9Y(VO4)(7) crystal is a potential 1.5-1.6 mu m laser material. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：62 / 66

页数：5

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