期刊
CHINESE PHYSICS B
卷 23, 期 10, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1674-1056/23/10/104206
关键词
thulium-doped fiber laser; rate equations; 1908 nm
In this paper, we report that a diode-pumped thulium-doped double clad silica fiber laser can provide powers of up to 227 W at 1908 nm, corresponding to a slope efficiency of 54.3%, and an optical-to-optical efficiency of 51.2%. The output power, to the best of our knowledge, is the highest output at 1908 nm. The beam quality M-2 factor is about 1.56. Also discussed in this paper is the dependence of the laser performance on fiber length.
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