期刊
LASER PHYSICS LETTERS
卷 15, 期 8, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1612-202X/aac03f
关键词
mid-infrared solid lasers; laser materials; Q-switched lasers
资金
- National Key Research and Development Program of China [2016YFB1102201]
- Open Project of State Key Laboratory of Crystal Material [KF1702]
- Science and Technology Project of Qingdao [16-5-1-9-jch]
- China Postdoctoral Science Foundation [2016M600535]
The saturable absorption properties of multilayer tungsten diselenide (WSe2) nanosheets in 3 mu m wavelength range were characterized for the first time. A stable passively Q-switched Er:Lu2O3 laser at 2.85 mu m was achieved by using the home-made WSe2 saturable absorber (SA). Under an absorbed power of 7.24 W, a maximum average output power of 776 mW was obtained with a pulse duration of 280 ns at a repetition rate of 121 kHz, producing a pulse energy of 6.4 mu J and a peak power of 21.3 W.
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