Spectral properties of Er3+-doped CaGdAlO4 crystal for laser application around 1.55 μm

被引：14

作者：

Huang, J. H. ^{[1
]}

Gong, X. H. ^{[1
]}

Chen, Y. J. ^{[1
]}

Lin, Y. F. ^{[1
]}

Luo, Z. D. ^{[1
]}

Huang, Y. D. ^{[1
]}

机构：

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

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2014年 / 585卷

基金：

中国国家自然科学基金;

关键词：

Er:CaGdAlO4 crystal; Optical materials; Optical properties; RARE-EARTH IONS; SPECTROSCOPIC PROPERTIES; ENERGY-TRANSFER; FLUORESCENCE DYNAMICS; OPTICAL SPECTROSCOPY; TELLURITE GLASSES; ROOM-TEMPERATURE; SINGLE-CRYSTALS; CONTINUOUS-WAVE; ER3+;

D O I：

10.1016/j.jallcom.2013.09.032

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：

Room-temperature polarized spectral properties of the Er:CaGdAlO4 crystal are reported. The Judd-Ofelt theory was applied to analyze the polarized absorption spectra and then calculate the spontaneous emission probabilities, radiative lifetimes, and branch ratios. Room-temperature fluorescence lifetimes of the I-4(13/2), I-4(11/2), F-4(9/2), and S-4(3/2) multiplets for Er3+ ions were measured. Stimulated emission cross-sections of the I-4(13/2) -> I-4(15/2) transition obtained by the Fuchtbauer-Ladenberg formula and the reciprocity method were compared. The results show that the Er:CaGdAlO4 crystal may be a potential gain medium for a low-threshold 1.55 mu m laser. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：163 / 167

页数：5

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