Investigation of Nonlinear Optical Modulation Characteristics of MXene VCrC for Pulsed Lasers |
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| Authors: | Yao Meng Yizhou Liu Tao Li Tianli Feng Jiacheng Huang Zheng Ni Wenchao Qiao |
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| Institution: | 1.School of Information Science and Engineering, Shandong University, Qingdao 266237, China; (Y.M.); (Y.L.); (T.L.); (T.F.); (J.H.);2.Shandong Provincial Key Laboratory of Laser Technology and Application, Shandong University, Qingdao 266237, China;3.China Key Laboratory of Laser & Infrared System (Ministry of Education), Shandong University, Qingdao 266237, China;4.CHN Energy Shouguang Company, Weifang 262714, China; |
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| Abstract: | We report the surface morphology and the nonlinear absorption characteristics of MXene VCrC nanosheets prepared by the liquid-phase exfoliation method. The self-made MXene VCrC was applied as a saturable absorber in the Tm:YAP laser experiments, performing excellent Q-switching optical modulation characteristics in infrared range. With this absorber, a stable passively Q-switched 2 μm laser was achieved. Under an incident pump power of 3.52 W, a maximum output power of 280 mW was obtained with a T = 3% output coupler at a repetition frequency of 49 kHz. The corresponding pulse energy and peak power were 5.7 μJ and 6.6 W, respectively. The shortest pulse duration was 658 ns at the repetition rate of 63 kHz with a T = 1% output coupler. |
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| Keywords: | MXenes solid-state laser Q-switching |
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