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Chin. Opt. Lett.
 Home  List of Issues    Issue 03 , Vol. 16 , 2018    10.3788/COL201816.031402


Double Q-switched 946 nm laser with MgO:LN electro-optic crystal and MoSe2 saturable absorber
Bing Bai1;2, Yang Bai1;2, Diao Li1;2, Yanxiao Sun1;2, Jianlin Li1;2, and Jintao Bai1;2
1 Institute of Photonics and Photon-Technology, National Key Laboratory of Photoelectric Technology and Functional Materials (Culture Base), [Northwest University], Xi’an 71 0069, China
2 [Shaanxi Engineering Technology Research Center for Solid State Lasers and Application], Xi’an 710069, China

Chin. Opt. Lett., 2018, 16(03): pp.031402

DOI:10.3788/COL201816.031402
Topic:Lasers and laser optics
Keywords(OCIS Code): 140.3580  140.3540  160.4236  160.4330  

Abstract
We report a double Q-switched 946 nm laser with a magnesium-oxide-doped LiNbO3 (MgO:LN) electro-optic (EO) crystal and a monolayer molybdenum diselenide (MoSe2) saturable absorber (SA). A pulsed laser diode side-pumped long neodymium-doped yttrium aluminum garnet rod (φ3×65 mm) is used as the gain medium. Large pulse energy up to 3.15 mJ and peak power up to 346 kW are generated at the repetition rate of 550 Hz, corresponding to the beam quality factors of Mx2=3.849, My2=3.868. Monolayer MoSe2 nanosheets applied in the experiment would be a promising SA for a passive Q-switching operation.

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Received:2017/12/7
Accepted:2018/1/12
Posted online:2018/3/9

Get Citation: Bing Bai, Yang Bai, Diao Li, Yanxiao Sun, Jianlin Li, and Jintao Bai, "Double Q-switched 946 nm laser with MgO:LN electro-optic crystal and MoSe2 saturable absorber," Chin. Opt. Lett. 16(03), 031402(2018)

Note: This work was supported by the National Natural Science Foundation of China (No. 61205114), the Science & Technology Coordinator Innovation Plan Project of the Shaanxi Province (No. 2011KTCL01-06), and the Key Laboratory Project of Shaanxi (No. 2010JS112).



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