[1] Shirakov A, Burshtein Z, Goldstein A et al. Use of Co2+∶MgAl2O4 transparent ceramics in passive Q-switching of an Er∶Glass laser at 1.534 µm[J]. Optics Express, 28, 21956-21970(2020).

[2] Zhang Y L, Hui Y L, Jiang M H et al. Experimental study of LD-pumped erbium ytterbium co-doped phosphate glass passively Q-switched microlaser[J]. Infrared and Laser Engineering, 46, 0305004(2017).

[3] Chen Y J, Lin Y F, Huang J H et al. Research progress in 1550-nm all-solid-state lasers based on Er3+-doped crystals[J]. Chinese Journal of Lasers, 47, 0500018(2020).

[4] Guo J, He G Y, Jiao Z X et al. Efficient high-peak-power and high-repetition-rate eye-safe laser using an intracavity KTP OPO[J]. Laser Physics, 25, 035403(2015).

[5] Ivanov P S, Mochalov I V, Sandulenko A V. 1.5 µm miniature and chip longitudinally diode pumped passively Q-swiched Raman laser[C](2014).

[6] Dymshits O, Vitkin V, Alekseeva I et al. Transparent glass-ceramics based on Co2+-doped γ-GaxAl2-xO3 spinel nanocrystals for passive Q-switching of Er lasers[J]. Journal of Luminescence, 234, 117993(2021).

[7] Qi Y, Bai Z X, Wang Y L et al. Research progress of all-solid-state passively Q-switched Er∶Yb∶glass lasers[J]. Infrared Physics & Technology, 116, 103727(2021).

[8] Karlsson G, Pasiskevicius V, Laurell F et al. Diode-pumped Er-Yb∶glass laser passively Q switched by use of Co2+∶MgAl2O4 as a saturable absorber[J]. Applied Optics, 39, 6188-6192(2000).

[9] Vitkin V V, Polyakov V M, Kharitonov A A et al. Compact 0.7 mJ/11 ns eye-safe erbium laser[J]. Laser Physics, 26, 125801(2016).

[10] Vitkin V, Loiko P, Dymshits O et al. Passive Q-switching of an Er, Yb: glass laser with Co∶Mg(Al, Ga)2O4-based glass-ceramics[J]. Applied Optics, 56, 2142-2149(2017).

[11] Duan X, Yuan D, Pan D et al. Spectroscopic properties of cobalt-doped nanosized glass-ceramics[J]. Journal of the Chinese Ceramic Society, 34, 362-365(2006).

[12] Huang S, Deng L M, Yang H et al. Homogenization design of laser diode based on ZEMAX[J]. Laser Technology, 38, 522-526(2014).