[1] [1] Z. G. Wang, H. R. Xia. Molecular and Laser Spectroscopy. New York: Springer-Verlag, 1991. 312～316

[2] [2] Z. G. Wang, L. A. Ma, H. R. Xia et al.. The generation of UV and violet diffuse band stimulated radiation in a sodium dimer. Opt. Commun., 1986, 58(5):315～318

[4] [4] C. Y. R. Wu, J. K. Chen, D. L. Judege. Spontaneous amplified emission of a Na2 diffuse violet band produced through two-photon excitation of sodium vapor. Opt. Commun., 1983, 48(1):28～32

[5] [5] J. T. Bahns, W. C. Stwally. Observation of gain in the violet bands of sodium vapor. Appl. Phys. Lett., 1984, 44:826～828

[6] [6] H. H. Wu, T. C. Chu, C. Y. R. Wu. Intense spontaneous amplified emission of Li2 diffuse violet bands in the 440.0 nm region. Appl. Phys. B, 1987, B43(4):225～230

[7] [7] Xingbin Xie, R. W. Fied. Perturbation facilitated optical -optical double resonance spectroscopy of the 7Li2 33Σ+g, 23Πg, b3Πg, and a3Σ+u states. J. Mol. Spectra, 1986, 117(2):228～244

[8] [8] M. A. Gondal, S. Shahdin, A. Shaban et al.. First observation of a collisionally induced diffuse band Li2 around 452 nm. Opt. Common., 1991, 86(2):128～134

[9] [9] Ya. P. Klyavinsh, M. L. Yanson. Population processes of certain atomic and molecular states in laser excited potassium vapor. Opt. Spectra, 1982, 52(4):376～383

[10] [10] H. Y. Jin, L. J. Qin, Y. F. Li et al.. Stimulated diffuse-band radiation generated by hybrid and two-photo pumping in K2-K system. SPIE, 1992, 1726:178～183

[14] [14] T. Holstein. Imprisonment of resonance radiation in gases. Phys. Rev., 1951, 83(6):1159～1168