[1] [1] YU B L, ZHEN Sh L, ZHU J, et al. Experimental study on low-noise fiber laser［J］. Acta Optica Sinica, 2006, 26(2): 217-220(in Ch-inese).

[2] [2] LU D, YANG Q L, WANG H, et al. Review of semiconductor distributed feedback lasers in the optical communication band［J］. Ch-inese Journal of Lasers, 2020, 47(7): 0701001(in Chinese).

[3] [3] KAWAHITO Y, MATSUMOTO N, MIZUTANI M, et al. Characterisation of plasma induced during high power fibre laser welding of stainlesssteel［J］. Science and Technology of Welding and Joining, 2008, 13(8): 744-748.

[4] [4] SHCHEGLOV P Y, USPENSKIY S A, GUMENYUK A V, et al. Plume attenuation of laser radiation during high power fiber laserwelding［J］. Laser Physics Letters, 2011, 8(6): 475-480.

[5] [5] SHCHEGLOV P Y, GUMENYUK A V, GORNUSHKIN I B, et al. Vapor-plasma plume investigation during high-power fiber laserwelding［J］. Laser Physics, 2013, 23(1): 1-7.

[6] [6] RUPPIK S, BECKER F, GRUNDMANN F P, et al. High power disk and fiber lasers-a performance comparison［J］. Proceedings of the SPIE, 2012, 8235: 82350V.

[7] [7] MA S, XIE F, CHEN L, et al. Development of dual-wavelength fiber ring laser and its application to stepheight measurement using self-mixing interferometry［J］. Optics Express, 2016, 24(6): 5693-5698.

[8] [8] DONG L L, XIE F, MA S, et al. Simple tunable dual-wavelength fiber laser and multiple self-mixing interferometry to large step height measurement［J］. Optics Express, 2016, 24(19): 21880-21885.

[9] [9] DAI X J, WANG M, ZHAO Y, et al. Self-mixing interference in fiber ring laser and its applica tion for vibration measurement［J］. Optics Express, 2009, 17(19): 16543-16548.

[10] [10] YOUNG R J D, BARNES N P. Profiling atmospheric water vapor using a fiber laser lidar system［J］. Applied Optics, 2010, 49(4): 562-567.

[11] [11] XU B, WANNG Ch H, ZHANG J, et al. Signal extraction and si-mulation for coherent wind lidar［J］. Chinese Journal of Lasers, 2008, 35(s1): 181-184(in Chinese).

[12] [12] XIA G F, ZHAO B J. Detection of air target based on multi-fractal analysis in a laser radar［J］. Chinese Optics Letters, 2007, 5(1): 51-53.

[13] [13] FU E Sh. Small broadband fiber laser for tomography in the 1300nm wavelength region［J］. Laser & Optoelectronics Progress, 2004, 41(2): 38-40(in Chinese).

[14] [14] LI Y L, SONG Y R. Modeling of 1.2μm phosphorus-doped Raman fiber laser［J］. Acta Optica Sinica, 2014, 34(s1): s114015(in Chinese).

[15] [15] HU M L, CAI Y. Research progress on mid-infrared ultrafast fiber laser［J］. Chinese Journal of Lasers, 2020, 47(5): 0500009(in Chinese).

[16] [16] WANG L L, LUO H Y, XIE J T, et al. 15W high power 2.9μm mid-infrared cascade erbium-doped ZBLAN fiber laser［J］. Chinese Journal of Lasers, 2015, 42(7): 0719001(in Chinese).

[17] [17] WEI Ch, SHI H X, LUO H Y, et al. Research progress of pulsed mid-infrared fiber lasers using two-dimensional materials［J］. Chin-ese Journal of Lasers, 2017, 44(7): 0703009 (in Chinese).

[18] [18] YANG W, DUAN Y F, WANG Q, et al. Research progress of 3μm fiber laser ［J］. Laser & Infrared, 2015, 45(5): 471-475(in Ch-inese).

[19] [19] COWLE G J, STEPANOV D Y. Multiple wavelength generation with Brillouin/erbium fiber lasers［J］. IEEE Photonics Technology Le-tters, 1996, 8(11):1465-1467.

[20] [20] LU Sh H, XU O, FENG S Ch, et al. Multi-wavelength fiber ring laser based on a chirped Moiré fiber grating and a semiconductor optical amplifier［J］. Chinese Optics Letters, 2009, 7(6): 469-471.