期刊
NANOTECHNOLOGY
卷 30, 期 26, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1361-6528/ab1115
关键词
SnSe2; eye-safe; passively Q-switched; solid-state laser
资金
- Natural Science Foundation of Shandong Province, China [ZR2017MF031]
Eye-safe pulse lasers have attracted increasing attention due to their potential wide application in many fields. However, optical modulators with excellent nonlinear optical absorption properties in the range of 1.4-2.1 mu m are still very scarce. In this study, tin diselenide (SnSe2), a newly-developed 2D layered semiconductor material with facile processability and low cost, was investigated. The nonlinear optical response of SnSe2 was investigated using the open aperture Z-scan method at 1500 and 1800 nm. Using SnSe2 as the saturable absorber, a passive Q-switched solid-state laser was realized at 1.3 and 1.9 mu m for the first time. This study proved SnSe2 to be an effective optical modulating material for the eye-safe waveband.
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