[1] H. Dammann and E. Klotz, Opt. Acta 24, 505 (1977).

[2] U. Krackhardt and N. Streibl, Opt. Commun. 74, 31 (1989).

[3] R. L. Morrison, J. Opt. Soc. Am. A 9, 464 (1992).

[4] C. Zhou and L. Liu, Appl. Opt. 34, 5961 (1995).

[5] S. J. Walker and J. Jahns, J. Opt. Soc. Am. A 7, 1509 (1990).

[6] X. Wang, Q. Zhu, Y. Zuo, F. Wang, D. Lin, Z. Huang, and X. Wei, Chin. Opt. Lett. 6, 241 (2008).

[7] Y. Zuo, X. Wei, Q. Zhu, X. Wang, W. Han, Z. Huang, H. Liu, and C. Ying, Chin. Opt. Lett. 5, S254 (2007).

[8] P. Xi, C. Zhou, S. Zhao, H. Wang, and L. Liu, Chinese J. Lasers (in Chinese) 28, 369 (2001).

[9] Y. Dong, X. Yu, Y. Sun, Y. Li, X. Hou, and X. Zhang, Chin. Opt. Lett. 5, 191 (2007).

[10] C. Di and C. Zhou, Acta Opt. Sin. (in Chinese) 27, 1275 (2007).

[11] J. Wang, L. Fang, Z. Zhang, J. Du, and Y. Guo, Chinese J. Lasers (in Chinese) 35, 39 (2008).

[12] T. Clausnitzer, J. Limpert, K. Zollner, H. Zellmer, H.-J. Fuchs, E.-B. Kley, A. Tünermann, M. Jupé, and D. Ristau, Appl. Opt. 42, 6934 (2003).

[13] B. Lü, Laser Optics: Laser Beam Propagation and Beam Quality Control (in Chinese) (Sichuan University Press, Chengdu, 1992).

[14] G. Jin, Y. Yan, and M. Wu, Binary Optics (in Chinese) (National Defence Industry Press, Beijing, 1998).

[15] C. Di and C. Zhou, Appl. Opt. 45, 1993 (2006).