Tm3+-doped Gd3Ga5O12 crystal: A potential tunable laser crystal at 2.0 μm

被引：21

作者：

Zhou, Han ^{[1
,2
]}

Ma, Xinghua ^{[1
,2
]}

Chen, Guitang ^{[1
,2
]}

Lv, Wancong ^{[1
,2
]}

Wang, Yan ^{[1
]}

You, Zhenyu ^{[1
]}

Li, Jianfu ^{[1
]}

Zhu, Zhaojie ^{[1
]}

Tu, Chaoyang ^{[1
]}

机构：

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

[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2009年 / 475卷 / 1-2期

关键词：

Tm3+:Gd3Ga5O12 crystal growth; Optical spectroscopies; Thermal analysis; RARE-EARTH IONS; JUDD-OFELT ANALYSIS; SPECTROSCOPIC CHARACTERIZATION; ABSORPTION INTENSITIES; SINGLE-CRYSTALS; TM3+; GROWTH; HO3+; GARNETS; ER3+;

D O I：

10.1016/j.jallcom.2008.07.084

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：

A TM3+-doped Gd3Ga5O12 single crystal with a dimension of theta 25 mm x 20 mm was grown successfully by Czochralski method. The absorption spectrum was recorded at room temperature and used to calculate the absorption cross-section. Based on the Judd-Ofelt (J-O) theory, we obtained three intensity parameters and a series of spectral parameters, such as the radiative probabilities, radiative lifetimes and branch ratios. Room temperature fluorescence spectra and luminescence decay curve were recorded. The stimulated emission cross-section of the F-3(4)-> H-3(6) IR transition was calculated. The maximum emission cross-section with the peak at 2.0 mu m is 1.05 x 10(-21) cm(2). The potential laser gain for this transition was also investigated. This crystal is promising as a tunable infrared laser crystal at 2.0 mu m. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：555 / 559

页数：5

共 29 条

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