[1] E Heumann, S Bar, K Rademaker. Semiconductor-laser-pumped high-power upconversion laser. Applied Physics Letters, 88, 061108-061110(2006).

[2] R Yan, X Yu, D Chen. The thermal effect in diode-end-pumped continuous-wave 914-nm Nd: YVO₄ laser. Chinese Physics B, 21, 350-356(2012).

[3] 王垚廷, Yaoting Wang, 周倩倩, Qianqian Zhou, 李渊骥, Yuanji Li. All-solid-state CW Nd: YAG blue laser of single frequency operation with 770 mW output power. Chinese Journal of Lasers, 36, 1714-1718(2009).

[4] F Li, Z Shi, Y Li. Tunable single-frequency intracavity frequency-doubled Ti: Sapphire laser around 461 nm. Chinese Physics Letters, 28, 124205(2011).

[5] X Zhu, G Zhu, W Shi. 976 nm single-polarization single-frequency ytterbium-doped phosphate fiber amplifiers. IEEE Photonics Technology Letters, 25, 1365-1368(2013).

[6] F Röser, C Jauregui, J Limpert. 94 W 980 nm high brightness Yb-doped fiber laser. Optics Express, 16, 17310-17318(2008).

[7] G K Samanta, G R Fayaz, M Ebrahimzadeh. 1.59 W, single-frequency, continuous-wave optical parametric oscillator based on MgO: sPPLT. Optics Letters, 32, 2623-2625(2007).

[8] K Devi, S C Kumar, M Ebrahimzadeh. 13.1 W, high-beam-quality, narrow-linewidth continuous-wave fiber-based source at 970 nm. Optics Express, 19, 11631-11637(2011).

[9] [9] Ganija M, Simakov N, Hemming A, et al. Second harmonic generation using a monolithic, linearly polarized thulium doped fiber laser[C] ACOFT, 2016.

[10] B Zhang, Z Jiao, B Wang. Efficient second-harmonic generation from polarized thulium-doped fiber laser with periodically poled MgO: LiNbO₃. Optics & Laser Technology, 69, 60-64(2015).

[11] [11] Creeden D, Setzler S D. 486 nm blue laser operating at 500 kHz pulse repetition frequency[C] SPIE LASE, 2016, 11: 97289729.

[12] G K Samanta, S C Kumar, K Devi. Multicrystal, continuous-wave, single-pass second-harmonic generation with 56% efficiency. Optics Letters, 35, 3513-3515(2010).

[13] S S Sané, S Bennetts, J E Debs. 11 W narrow linewidth laser source at 780 nm for laser cooling and manipulation of Rubidium. Optics Express, 20, 8915-8919(2012).

[15] [15] Smith A V. Software SNLO version 67[DBOL]. http:www.asphotonics.comproductssnlo

[16] G D Boyd, D A Kleinman. Parametric interaction of focused Gaussian light beams. Journal of Applied Physics, 39, 3597-3639(1968).