Heat loads in erbium-doped laser materials

被引:2
作者
Condon, Nicholas J. [1 ]
Bowman, Steven R. [1 ]
O'Connor, Shawn P. [1 ]
Myers, Michael J. [2 ]
机构
[1] USN, Res Lab, Div Opt Sci, Washington, DC 20375 USA
[2] Kigre Inc, Hilton Head Isl, SC USA
关键词
Erbium-doped laser materials; Resonant pumping; UP-CONVERSION; YAG LASER; ER; CRYSTAL; NM;
D O I
10.1016/j.optmat.2010.02.029
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In order to study the feasibility of power scaling in resonantly-pumped Er-doped lasers, the fractional heat loads of several laser materials were measured using direct thermocouple calorimetry under low-power illumination with similar to 1550 nm light. A sample of 2% Er:YAG exhibited heat loads (relative to the absorbed power) of less than 5.4%, while samples of 1.1% Er-doped fluorophosphate glasses showed similar results, with heat loads of less than 5.3%. A fluorophosphate glass codoped with 2.2% Er and 2.5% Yb showed much higher heat loads of 11-14%, and samples of singly Er-doped and Er/Yb-codoped phosphate glasses both showed even higher heat loads in excess of 17%. Published by Elsevier B.V.
引用
收藏
页码:1050 / 1054
页数:5
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