[1] [1] V. Simeonov, V. Mitev, H. van den Bergh et al.. Raman frequency shifting in a CH4∶H2∶Ar mixture pumped by the fourth harmonic of a Nd∶YAG laser[J]. Appl. Opt., 1998, 37(30)：7112～7115

[2] [2] Z. Chu, U. N. Singh, T. D. Wilkerson. Multiple Stokes wavelength generation in H2, D2, and CH4 for lidar aerosol measurements[J]. Appl. Opt., 1991, 30(30):4350～4357

[3] [3] J. A. Sunesson, A. Apituley, D. P. J. Swart. Differential absorption lidar system for routine monitoring of tropospheric ozone[J]. Appl. Opt., 1994, 33(30):7045～7058

[4] [4] S. E. Bisson. Parametric study of an excimer-pumped, nitrogen Raman shifter for lidar applications[J]. Appl. Opt., 1995, 34(18):3406～3412

[5] [5] E. J. Lerner. Lasers probe global climate from space[J]. Laser Focus World, 2002, 38(10):95～100

[6] [6] A. B. Davis, S. P. Love, R. F. Cahalan et al.. Off-beam lidar senses cloud thickness and density[J]. Laser Focus World, 2002, 38(10):101～104