[1] N. P. Barnes and B. M. Walsh, IEEE J. Quantum Electron. 35, 101 (1999).

[2] R. H. Lehmberg and J. L. Giuliani, J. Appl. Phys. 94, 31 (2003).

[3] C. Goren, Y. Tzuk, G. Marcus, and S. Pearl, IEEE J. Quantum Electron. 42, 1239 (2006).

[4] X. Kong, X. Luo, X. Zhang, W. Zhang, and H. Li, Chinese J. Lasers (in Chinese) 30, 385 (2003).

[5] A. M. Hunter and R. O. Hunter, IEEE J. Quantum Electron. 17, 1879 (1981).

[6] D. D. Lowenthal and J. M. Eggleston, IEEE J. Quantum Electron. 22, 1165 (1986).

[7] A. Sasaki and K. Kasuya, J. Appl. Phys. 65, 231 (1989).

[8] W. Liu, "Study on the cylindrical continuous wave HF chemical high energy lasers" (in Chinese) PhD. dissertation (National University of Defense Technology, Changsha, 2004).

[9] R. D. Richtmyer and K. W. Morton, Difference Methods for Initial Value Problems (Interscience Publishers, New York, 1967).

[10] D. B. Rensch, Appl. Opt. 13, 2546 (1974).