[1] [1] J W Hardy. Adaptive Optics for Astronomical Telescopes [M]. New York: Oxford University Press, 1998.

[2] [2] Xiong Yaoheng, Laser guide stars for adaptive optical systems [J]. Progress in Astronomy, 2000, 18(1): 1-8.

[3] [3] A J Longmore. Laser guide star plans and related instrumentation for the WHT [J]. New Astronomy Reviews, 2001, 45(1-2): 63-68.

[4] [4] P L Wizinowich, D Le Mignant, A H Bouchez, et al.. The W. M. Keck observatory laser guide star adaptive optics system: overview [J]. Publications of the Astronomical Society of the Pacific, 2006, 118(840): 297-309.

[5] [5] M S Belen′kii. Tilt angular anisoplanatism and a full-aperture tilt-measurement technique with a laser guide star [J]. Appl Opt, 2000, 39(33): 6097-6108.

[6] [6] S Esposito, R Ragazzoni, A Riccardi. Auxiliary telescope absolute laser tilt determination: the Rayleigh case [C]. SPIE, 1997, 3126: 476-480.

[7] [7] R Ragazzoni, S Esposito, E Marchetti. Auxiliary telescopes for the absolute tip-tilt determination of a laser guide star [J]. Monthly Notices of the Royonl Astronomical Society, 1995, 276(4): 76-78.

[8] [8] A Riccardi, S Esposito, R Ragazzoni. Sub-pupil estimation of the laser guide star tilt term [C]. SPIE, 1997, 3126: 467-475.

[9] [9] Fan Chengyu, Song Zhengfang. The limit of anisoplanatism to laser-guide-stars [J]. Chinese J Lasers, 1996, 23(8): 722-726.

[10] [10] Chen Jingyuan, Zhou Yu, Chang Xiang, et al.. Unified method for anisoplanatism of adaptive optical systems [J]. Chinese J Lasers, 2013, 40(4): 0413001.

[11] [11] R J Noll. Zernike polynomials and atmospheric turbulence [J]. J Opt Soc Am, 1975, 66(3): 207-211.

[12] [12] J W Goodman. Statistical Optics [M]. New York: Science, 1985.

[13] [13] Rao Changhui, Jiang Wenhan, Ling Ning. Anisoplanatism limitations for low-order mode correction adaptive optical system [J]. Acta Optica Sinica, 2000, 20(11): 1486-1493.

[14] [14] G A Tyler. Analysis of propagation through turbulence: evaluation of an integral involving the product of three Bessel functions [J]. J Opt Soc Am A, 1990, 7(7): 1218-1223.

[15] [15] G Molodij, G Rousset. Angular correlation of Zernike polynomials for a laser guide star in adaptive optics [J]. J Opt Soc Am A, 1997, 14(8): 1949-1966.

[16] [16] R E Hufnagel. Propagation through Atmospheric Turbulence [M]. The Infrared Handbook, 1978. 6-31.

[17] [17] Yang Guotao, Liu Bingmo, Wang Jiamin, et al.. A study of sodium layer distribution over Wuhan, China based the LIDAR observation result [J]. Chinese J Geophysics, 2003, 46(5): 577-583.