[1] Zeng F J, Yang K J, Yan X et al. Research progress on underwater laser communication systems[J]. Laser & Optoelectronics Progress, 58, 0300002(2021).

[2] Xu L, Liang S J, Fu Q et al. Highly efficient frequency doubling and quadrupling of a short-pulsed thulium fiber laser[J]. Applied Physics B, 124, 59(2018).

[3] Wang J G, Li Y L, Tian Y H et al. All-solid-state continuous-wave all-intracavity sum-frequency mixing blue laser at 488 nm[J]. Chinese Journal of Lasers, 37, 1669-1672(2010).

[4] Gerritsen H J, Goedertier P V. Blue gas laser using Hg2+[J]. Journal of Applied Physics, 35, 3060-3061(1964).

[5] Hu L, Zhang L Q, Liu J P et al. High power GaN-based blue lasers[J]. Chinese Journal of Lasers, 47, 0701025(2020).

[6] Ostroumov V, Simon C, Schwarze H et al. 1 W 488 nm cw air-cooled optically pumped semiconductor laser[J]. Proceedings of SPIE, 6871, 687118(2008).

[7] Ma J, Zhu X L, Lu T T et al. Research on pulsed blue laser with high peak power for ocean applications[J]. Acta Optica Sinica, 42, 1714002(2022).

[8] Heinen B, Wang T L, Sparenberg M et al. 106 W continuous-wave output power from vertical-external-cavity surface-emitting laser[J]. Electronics Letters, 48, 516-517(2012).

[9] Chilla J L A, Butterworth S D, Zeitschel A et al. High-power optically pumped semiconductor lasers[J]. Proceedings of SPIE, 5332, 143-150(2004).

[10] Hou G Y, Shu S L, Feng J et al. High power (>27 W) semiconductor disk laser based on pre-metalized diamond heat-spreader[J]. IEEE Photonics Journal, 11, 1501908(2019).

[11] Lin Z S, Lin J Y Y, Wang Z Z et al. Mechanism for linear and nonlinear optical effects in LiB3O5, CsB3O5, and CsLiB6O10 crystals[J]. Physical Review B, 62, 1757-1764(2000).

[12] Wang F. High stability 488 nm light generated by intra-cavity frequency doubling in optically pumped semiconductor disc lasers[J]. Infrared and Laser Engineering, 48, 0606004(2019).