[1] L. Zhang, G. Zhang, X. Yang, X. Zhao, and Y. Li, Chin. Opt. Lett. 1, 190 (2003).

[2] L. Zhang, G. Zhang, X. Yang, X. Zhao, and Y. Li, Chin. Opt. Lett. 1, 438 (2003).

[3] G. Zhang, L. Zhang, X. Yang, X. Zhao, and Y. Li, Acta Opt. Sin. (in Chinese) 23, 1119 (2003).

[4] A. Delon, R. Jost, and M. Jacon, J. Chem. Phys. 114, 331 (2001).

[5] R. Fantoni, M. Giorgi, L. D. Dominicis, and D. N. Kozlov, Chem. Phys. Lett. 332, 375 (2000).

[6] F. Santoro, J. Chem. Phys. 109, 1824 (1998).

[7] A. Delon and R. Jost, J. Chem. Phys. 110, 4300 (1999).

[8] V. M. Donnelly and F. Kaufman, J. Chem. Phys. 66, 4100 (1977).

[9] V. Sivakumaran, K. P. Subramanian, and V. Kumar, J. Q. S. & R. T. 69, 525 (2001).

[10] C. G. Stevens and R. N. Zare, J. Mol. Spectrosc. 56, 167 (1975).

[11] G. D. Gillispie, A. U. Khan, A. C. Wahl, R. P. Hosteny, and M. Krauss, J. Chem. Phys. 63, 3425 (1975).

[12] V. Slezak, G. Santiago, and A. L. Peuriot, Opt. and Lasers in Engineering 40, 33 (2003).