[1] [1] M. Sheik-Bahae, A. A. Said, T. H. Wei et al.. Sensitive measurement of optical nonlinearities using a single beam. IEEE. J. Quantum Electron., 1990, 26(4):760～769

[2] [2] W. Zhao, P. Palffy-Muhoray. Z-scan measurement of χ(3) using top-hat beams. Appl. Phys. Lett., 1994, 65(6):673～675

[3] [3] P. B. Chapple, J. Staromlynska, J. A. Hermann et al.. Single-beam Z-scan measurement techniques and analysis. J. Nonlin. Opt. Phys. Mat., 1997, 6(3):251～293

[4] [4] M. Yin, H. P. Li, S. H. Tang et al.. Determination of nonlinear absorption and refraction by single Z-scan method. Appl. Phys. B, 2000, 70:587～591

[5] [5] J. G. Breitzer, D. D. Dlott, L. K. Iwaki et al.. Third-order nonlinear optical properties of sulfur-rich compounds. J. Phys. Chem. A, 1999, 103(35):6930～6937

[9] [9] G. Fang, Y. Song, Y. X. Wang et al.. Z-scan excited-state nonlinear materials with reverse saturable absorption. Opt. Comm., 2000, 183(5-6):523～527