Growth and spectroscopic properties of Nd3+-doped Na2Gd4(MoO4)7 crystal

被引：21
作者：
Zhao, Wang [1 ,2 ]
Lin, Zhoubin [1 ]
Zhang, Lizhen [1 ]
Wang, Guofu [1 ]
机构：
[1] Chinese Acad Sci, Fujian Inst Res Struct Matter, Key Lab Optoelect Mat Chem & Phys, Fuzhou 350002, Fujian, Peoples R China
[2] Huainan Normal Univ, Dept Phys, Huainan 232001, Anhui, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2011年 / 509卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Optical microscopy; Czochralski method; Crystal growth from melt; Molybdate; Solid-state laser materials; RARE-EARTH IONS; SPECTRAL PROPERTIES; LI3BA2Y3(MOO4) CRYSTAL; ND3+ ION; LASER; INTENSITIES;
D O I：
10.1016/j.jallcom.2010.11.125
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
This paper reports the growth and spectral properties of Nd3+:Na2Gd4(MoO4)(7) crystals. An Nd3+:Na2Gd4(MoO4)(7) crystal with dimensions of emptyset20 x 25 mm(3) has been grown by the Czochralski method. The spectroscopic properties of Nd3+:Na2Gd4(MoO4)(7) crystal were investigated. The Judd-Ofelt theory was applied to calculate the spectral parameters. The polarized absorption cross-sections of Nd3+:Na2Gd4(MoO4)(7) crystal are 4.25 x 10(-20) cm(2) with full width at half maximum (FWHM) of 14.6 nm for the pi-polarization and 2.87 x 10(-20) cm(2) with FWHM of 16.2 nm for the if-polarization, respectively. The emission cross-sections are 10.0 x 10(-20) cm(2) at 1060 nm for pi-polarization and 13.6 x 10(-20) cm(2) at 1067 nm for if-polarization, respectively. The fluorescence quantum efficiency has been estimated to be 90.0%. Nd3+:Na2Gd4(MoO4)(7) crystal may be considered as a potential laser gain medium for the diode laser pumping. (C) 2010 Elsevier B.V. All rights reserved.
引用
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页码：2815 / 2818
页数：4
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