• Chinese Optics Letters
  • Vol. 23, Issue 1, 011401 (2025)
Yuanhao Zhao1, Qianqian Hao1,2, Zhen Zhang3, Jiahao Dong1..., Luyang Tong1, Jingjing Liu1, Lina Zhao1, Jie Liu1,* and Liangbi Su3|Show fewer author(s)
Author Affiliations
  • 1Shandong Provincial Engineering and Technical Center of Light Manipulations & Shandong Provincial Key Laboratory of Optics and Photonic Devices, School of Physics and Electronics, Shandong Normal University, Jinan 250358, China
  • 2Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, China
  • 3State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201899, China
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    DOI: 10.3788/COL202523.011401 Cite this Article Set citation alerts
    Yuanhao Zhao, Qianqian Hao, Zhen Zhang, Jiahao Dong, Luyang Tong, Jingjing Liu, Lina Zhao, Jie Liu, Liangbi Su, "Passively mode-locked Tm, La:CaF2 crystal lasers near 1.9 µm water absorption band," Chin. Opt. Lett. 23, 011401 (2025) Copy Citation Text show less
    Schematic of the CW and CWML Tm,La:CaF2 lasers.
    Fig. 1. Schematic of the CW and CWML Tm,La:CaF2 lasers.
    Average output power as a function of the pump power.
    Fig. 2. Average output power as a function of the pump power.
    (a) Laser emission spectra of CW and CWML Tm,La:CaF2 lasers. (b) Intensity autocorrelation trace.
    Fig. 3. (a) Laser emission spectra of CW and CWML Tm,La:CaF2 lasers. (b) Intensity autocorrelation trace.
    M2 factors of the CWML laser. The inset shows the measured beam profile and 3D intensity distribution.
    Fig. 4. M2 factors of the CWML laser. The inset shows the measured beam profile and 3D intensity distribution.
    (a) Temporal traces of CWML Tm, La:CaF2 pulses in different time scales. RFS in stabilized single-pulse regime: (b) fundamental beat note, RBW = 300 Hz; (c) its harmonics in 1 GHz frequency windows, RBW = 30 kHz. RBW: resolution bandwidth.
    Fig. 5. (a) Temporal traces of CWML Tm, La:CaF2 pulses in different time scales. RFS in stabilized single-pulse regime: (b) fundamental beat note, RBW = 300 Hz; (c) its harmonics in 1 GHz frequency windows, RBW = 30 kHz. RBW: resolution bandwidth.
    Yuanhao Zhao, Qianqian Hao, Zhen Zhang, Jiahao Dong, Luyang Tong, Jingjing Liu, Lina Zhao, Jie Liu, Liangbi Su, "Passively mode-locked Tm, La:CaF2 crystal lasers near 1.9 µm water absorption band," Chin. Opt. Lett. 23, 011401 (2025)
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