期刊
OPTIK
卷 252, 期 -, 页码 -出版社
ELSEVIER GMBH
DOI: 10.1016/j.ijleo.2021.168509
关键词
MXene Ti3C2Tx; Saturable absorber; Passively Q-switched; Pulse laser
类别
资金
- National Natural Science Foundation of China [61775053, 61805209]
- China Postdoctoral Science Foundation [2020M670937]
- Key project of Heilongjiang Natural Science Foundation [ZD2021F002]
- Outstanding Young Talents project of the Central Support fund for the reform and development of local universities in Heilongjiang Province [2020YQ11]
- Heilongjiang Postdoctoral Fund to pursue scientific research in Heilongjiang Province [LBH-Z20030]
- basic scientific research business expenses of colleges and universities in Heilongjiang Province for special fund project of Heilongjiang university
This paper demonstrates the passive generation of Q-switched pulses in a Tm:YAlO3 (Tm:YAP) bulk laser using a MXene Ti(3)C(2)Tx based saturable absorber (SA). The experiment results show that this laser can achieve nanosecond pulse width and narrow linewidth simultaneously.
In this paper, the passive generation of Q-switched pulses in a Tm:YAlO3 (Tm:YAP) bulk laser using a MXene Ti(3)C(2)Tx based saturable absorber (SA) was demonstrated. The SA was prepared by spin-coating method and its nonlinear absorption property was characterized by a nanosecond pump laser. Average output power of 160 mW for the Q-switched laser was obtained at a repetition rate of 68.6 kHz, corresponding to a 2.33 mu J pulse energy and a 2.62 W peak power. The linewidth of the Q-switched laser was 2.5 nm, which was much narrower than the 6.3 nm for continuous-wave operation. Besides, a shortest pulse width of 811 ns was obtained at a repetition rate of 56.1 kHz. This work demonstrates that Ti3C2Tx Q-switched Tm:YAP laser can achieve nanosecond pulse width and narrow linewidth simultaneously.
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