[1] [1] Moeller C E et al. Appl. Phys. Lett., 1971; 18: 278

[2] [2] Lin C et al. J. Appl. Phys., 1973; 44: 5050

[3] [3] Kenney-WaUace et al. Chem. Phys. Lett., 1975; 32: 71

[4] [4] Ahmed S A et al. J. Chem. Phys., 1974; 61: 1584

[5] [5] Terada Μ et al. Japan J. Appl. Phys., 1983; 22: 1392

[6] [6] UnnLkrishana Ν V et al. Opt. Acta, 1984; 31: 983

[7] [7] Lu Ρ Y et al. Phys. Rev. A, 1982; 26: 3610

[8] [8] Ln Ρ Y et al. Phys. Rev. A, 1983; 27: 2100

[9] [9] Kleinerman Μ et al. Opt. Commun., 1978; 26: 81

[10] [10] Schafar F P. Dye Lasers, Springer-Verlag,Berlin, Heidelberg, New York, 1977: 174