期刊
OPTICS AND LASER TECHNOLOGY
卷 79, 期 -, 页码 20-23出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.optlastec.2015.11.007
关键词
Q-switched; Ultrafast laser
资金
- University of Malaya [RU007/2015]
- LRGS /NGOD/UM/KPT
A Q-switched Erbium-doped fiber laser by using MoSe2 thin film as saturable absorber is experimentally demonstrated. The bulk MoSe2 is processed into few layer MoSe2 based on liquid phase exfoliation technique, and further fabricated into thin film by using polyvinyl alcohol polymer. Q-switching operation is obtained from pump power range of 22.4-102.0 mW. The pulse repetition rate shows an increasing trend from 16.9 kHz to 32.8 kHz, whereas the pulse width exhibits a decreasing trend from 59.1 mu s to 30.4 mu s. The highest pulse energy of 57.9 nJ is obtained at pump power of 102.0 mW. (C) 2015 Elsevier Ltd. All rights reserved.
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