[1] Deng K R, Wei K, Jin K, et al. Research on high-contrast imaging performance of 1.8 m telescope sodium beacon adaptive optical system[J]. Infrared and Laser Engineering, 49, 20200058(2020).

[2] Yang X Z, Kitzler O, Spence D J, et al. Diamond sodium guide star laser[J]. Optics Letters, 45, 1898-1891(2020).

[3] Huo X W, Qi Y Y, Zhang Y, et al. Research development of 589 nm laser for sodium laser guide stars[J]. Optics and Lasers in Engineering, 134, 106207(2020).

[4] [4] Wizinowich P, Chin J, Creia C, et al. Keck all sky precision adaptive optics [C]Proc of SPIE, 2020, 11448: 114480 E.

[5] [5] Dam M A, Herno Y M, Cagigal M N, et al. Overcoming the effect of pupil disttion in multiconjugate adaptive optics [C]Proc of SPIE, 2020, 11448: 11448 P.

[6] Neichel B, Lu J R, Rigaut F, et al. Astrometric performance of the Gemini multi-conjugate adaptive optics system in crowded fields[J]. Monthly Notices of the Royal Astronomical Society, 445, 500-514(2014).

[7] Xu Z Y, Bo Y, Peng Q J, et al. Progress on sodium laser guide star[J]. Infrared and Laser Engineering, 45, 0101001(2016).

[8] Xie S Y, Wang C L, Bo Y, et al. High-power quasi-continuous microsecond pulse sodium guide star laser[J]. Optics and Precision Engineering, 25, 2661-2667(2017).

[9] Calia D B, Hackenberg W, Holzlöhner R, et al. The four-laser guide star facility: Design considerations and system implementation[J]. Advanced Optical Technologies, 6, 0025(2014).

[10] Huang J, Wei K, Jin K, et al. Study on spot size and photon return of a sodium laser guide star[J]. Infrared and Laser Engineering, 48, 0106004(2019).

[11] Bian Q, Bo Y, Zuo J W, et al. High-power repetition rate- and pulse width-tunable 589 nm versatile laser for adaptive optical systems[J]. Optics Express, 28, 13895-13906(2020).

[12] Liu X Y, Qian X M, Huang H H, et al. Numerical simulation of the number of return photons from sodium laser beacons excited by macro-micropulse laser[J]. Chinese Journal of Lasers, 41, 0613001(2014).

[13] Liu J, Wang J L, Lu T Y, et al. All-solid-state 589 nm laser and the brightness of excited sodium guide star[J]. Optics and Precision Engineering, 22, 3199-3204(2014).

[14] Chen T J, Wang F, Li X Y, et al. Return intensity of sodium guide star based on pumping under multiple laser parameters[J]. Chinese Journal of Lasers, 47, 0801001(2020).