Emission properties of 1.8 and 2.3 μm in Tm3+-doped fluoride glass

被引：25
|
作者：
Qi, Fangwei [1 ]
Huang, Feifei [1 ]
Lei, Ruoshan [1 ]
Tian, Ying [1 ]
Zhang, Long [1 ,2 ]
Zhang, Junjie [1 ]
Xu, Shiqing [1 ]
机构：
[1] China Jiliang Univ, Coll Mat Sci & Engn, Hangzhou 310018, Zhejiang, Peoples R China
[2] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Key Lab Mat High Power Laser, Shanghai 201800, Peoples R China
来源：
GLASS PHYSICS AND CHEMISTRY | 2017年 / 43卷 / 04期
关键词：
SPECTROSCOPIC PROPERTIES; ENERGY-TRANSFER; LASER-EMISSION; HIGH-POWER; TM3+; INTENSITIES; IONS;
D O I：
10.1134/S1087659617040058
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In this work a Tm3+-doped fluoride glass with good thermal stability is prepared. Intensive 1.8 and 2.3 mu m emissions are obtained when pumped by an 800 nm laser diode. And the 1.48 mu m emission is limited because of the much strong radiation around 1.8 mu m. On the basis of absorption spectrum, radiative properties are investigated and discussed according to Judd-Ofelt parameters (Omega(2), Omega(4), Omega(6)) calculated by Judd-Ofelt theory. Besides, absorption and emission cross-sections of (3) F (4) -> (3) H (6) transition are figured out and analyzed by using McCumber and Beer-Lambert theories. The high gain around 1.8 mu m was predicted by the large sigma(emi)tau(rad) product (29.8 x 10(-21) cm(2) ms). The results obtained indicate that the Tm3+-doped fluoride glass can be a promising 2.0 mu m laser glass material.
引用
收藏
页码：340 / 346
页数：7
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