[1] Zheng Li, Wang Huibo, Tian Wenlong, et al. LD-pumped high-repetition-rate all-solid- state femtosecond lasers (Invited)[J]. Infrared and Laser Engineering, 49, 20201069(2020).

[2] Zhang Guodong, Cheng Guanghua, Zhang Wei. Progress in ultrafast laser space-selective welding[J]. Chinese Optics, 13, 1209-1223(2020).

[3] Qiao Liang, Hou Xia, Chen Weibiao, et al. High pulse power 2 μm ring laser[J]. Chinese Journal of Lasers, 36, 1327-1331(2009).

[4] Zhang Xinlu, Yu Long, Zhang Su, et al. Diode-pumped continuous wave and passively Q-switched Tm, Ho: LLF laser at 2 μm[J]. Optics Express, 21, 12629-12634(2013).

[5] Li Jingzhao, Chen Zhenqiang, Zhu Siqi. Passively Q-switched laser with a Yb: YAG/Cr⁴⁺: YAG/YAG composite crystal[J]. Optics and Precision Engineering, 26, 55-61(2018).

[6] [6] Kong L, Xie G, Qin Z, et al. Diodepumped modelocked femtosecond 2 µm Tm: CaYAlO4 laser[J]. arXiv preprint arXiv, 2017: 1707. 03818.

[7] Feng Dejun, Huang Wenyu, Ji Pengyu, et al. Erbium-doped fiber ring cavity pulsed laser based on graphene saturable absorber[J]. Optics & Precision Engineering, 21, 1097-1101(2013).

[8] Lee J, Lee J H. A passively Q-switched holmium-doped fiber laser with graphene oxide at 2058 nm[J]. Applied Sciences, 11, 407(2021).

[9] Kawase H, Uehara H, Chen H, et al. Passively Q-switched 2.9 μm Er:YAP single crystal laser using graphene saturable absorber[J]. Applied Physics Express, 12, 102006(2019).

[10] Sun R, Ling W J, Chen C. Tm, Ho: CaYAlO₄ laser operating at 2 089 nm[J]. Chinese Journal of Luminescence, 41, 301-307(2020).

[11] Ma J, Xie G Q, Lv P, et al. Graphene mode-locked femtosecond laser at 2 μm wavelength[J]. Optics Letters, 37, 2085-2087(2012).

[12] Ma J, Xie G, Zhang J, et al. Passively mode-locked Tm: YAG ceramic laser based on graphene[J]. IEEE Journal of Selected Topics in Quantum Electronics, 21, 50-55(2014).

[13] Wang Y, Chen W, Mark M, et al. Sub-100fs Tm:MgWO₄ laser at 2017 nm mode locked by a graphene saturable absorber[J]. Optics Letters, 42, 3076-3079(2017).

[14] Chen Chen, Xu Qiang, Sun Rui, et al. Q-switched mode-locked all-solid-state Tm:LuAG ceramic laser[J]. Infrared and Laser Engineering, 50, 20190563(2021).

[15] Walsh B M, Barnes N P, Petros M, et al. Spectroscopy and modeling of solid state lanthanide lasers: Application to trivalent Tm³⁺ and Ho³⁺ in YLiF₄ and LuLiF₄[J]. Journal of Applied Physics, 95, 3255-3271(2004).

[16] Sun Rui, Chen Chen, Ling Weijun, et al. Watt-level Q-switched mode-locked Tm:LuAG laser based on graphene oxide[J]. Acta Physica Sinica, 68, 104207(2019).

[17] Xu Fei, Pan Qikun, Chen Fei, et al. Development progress of Fe²⁺:ZnSe lasers[J]. Chinese Optics, 14, 458-469(2021).