期刊
LASER PHYSICS
卷 25, 期 2, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1054-660X/25/2/025901
关键词
molybdenum sulfide; sturable absorber; Q-switched; solid-state lasers
资金
- key scientific research program of Beijing city [Kz201110005010]
- natural science foundation of Shandong province [R2009AL013]
We demonstrate a passively Q-switched Yb: YAG thin disk solid-state laser based on nanoflake MoS2 as a saturable absorber. MoS2 is synthesized by a hydro-thermal process. The prepared MoS2 is transferred onto the BK7 glass for ease-of-use in the solid-state laser as a saturable absorber. The average output power could reach up to 250 mW, center wavelength 1030 nm corresponding to a pulse width, a pulse repetition rate, and a per pulse energy of 12 mu s, 17 kHz, and 15 mu J, respectively. Our results show that nanoflake MoS2 could be a promising saturable absorber for Q-switching solid-state lasers. The over saturation of the MoS2 saturable absorber at a high pump strength limit in a solid-state laser could be also effective for high power operation.
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