[1] [1] . W. Tutt, S. W. McChon. Reverse saturable absorption in metal cluster compounds. Opt. Lett., 1990, 15(12):700～702

[2] [2] L. W. Tutt, Alan Kost. Optical limiting performance of C60 and C70 solutions. Nature, 1992, 356(6366):225～226

[3] [3] D. G. McLean, R. L. Sutherland, M. C. Brant et al.. Nonlinear absorption study of a C60-toluene solution. Opt. Lett., 1993,18(11):858～860

[4] [4] W. Ji, H. J. Du, S. H. Tang et al.. Nanosecond reverse saturable absorption in cubanelike transition-metal clusters. J. Opt. Soc. Am., 1995,12(5):876～881

[5] [5] Youyuan Zhao, Yongle Pan, Yu Yin et al.. A study on multiple photon-gated persistent spectral hole burning and photoproduct in a system of frequency-domain storage material. Journal of Luminescence, 1995, 64(1/6):161～165