Watt-level ∼2 μm laser output in Tm3+-doped tungsten tellurite glass double-cladding fiber

被引：76

作者：

Li, Kefeng ^{[1
,2
]}

Zhang, Guang ^{[1
,2
]}

Hu, Lili ^{[1
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Key Lab Mat High Power Laser, Shanghai 201800, Peoples R China

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

来源：

OPTICS LETTERS | 2010年 / 35卷 / 24期

关键词：

SPECTROSCOPY; TM;

D O I：

10.1364/OL.35.004136

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report, for the first time to the best of our knowledge, a watt level cw fiber laser at similar to 2 mu m from a piece of 40-cm-long newly developed highly thulium-doped (3.76 x 10(20) ions/cm(3)) tungsten tellurite glass double cladding fiber pumped by a commercial 800 nm laser diode. The maximum output power of the fiber laser reaches 1.12 W. The slope efficiency and the optical-optical efficiency with respect to the absorbed pump are 20% and 16%, respectively. The lasing threshold is 1.46 W, and the lasing wavelength is centered at 1937 nm. (C) 2010 Optical Society of America

引用

页码：4136 / 4138

页数：3

共 14 条

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