Efficient 1.8 μm Emission of a Novel Tm3+ Doped Germanate-Tellurite Glass

被引：2
|
作者：
Peng Ya-Pei [1 ,2 ]
Guo Yan-Yan [1 ,2 ]
Zhang Jun-Jie [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Key Lab Mat High Power Laser, Shanghai 201800, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100039, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2013年 / 30卷 / 05期
基金：
中国国家自然科学基金;
关键词：
SPECTROSCOPIC PROPERTIES; OPTICAL-PROPERTIES; INTENSITIES; LASERS; IONS;
D O I：
10.1088/0256-307X/30/5/054207
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A new type of germanate-tellurite glass with doped Tm3+ ions is synthesized and its 1.8 mu m emission properties have been studied for its application as a laser material. The Judd-Ofelt intensity parameters, emission cross section, absorption cross section, and gain coefficient of Tm3+ ions are calculated and analyzed. Germanate-tellurite glass with 1.0 mol% Tm2O3 possesses the highest spontaneous transition probability (423.4 s(-1)) and the largest calculated emission cross section (6.91x10(-21) cm(2)) at 1.8 mu m corresponding to the F-3(4) -> H-3(6) transition. The good 1.8 mu m emission performance suggests that this glass may become an attractive host for developing solid state lasers operating in the mid-infrared.
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页数：3
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