[1] H. Zhang, J. Xie, J. Liu, and Y. Wang, Chin. Opt. Lett. 7, 1101 (2009).
[2] H. Sakai and J. Ohtsubo, Appl. Opt. 31, 6852 (1992).
[3] J. A. Davis, D. E. McNamara, and D. M. Cottrell, Opt. Eng. 40, 327 (2001).
[4] D. Cai, J. Yao, and W. Jiang, Acta Opt. Sin. (in Chinese) 29, 285 (2009).
[5] N. Konforti, E. Marom, and S. T. Wu, Opt. Lett. 13, 251 (1988).
[6] J. E. Curtis, B. A. Koss, and D. G. Grier, Opt. Commun. 207, 169 (2002).
[7] L. Hu, L. Xuan, Y. Liu, Z. Cao, D. Li, and Q. Mu, Opt. Express 12, 6403 (2004).
[8] H. Ma, P. Zhou, X. Wang, Y. Ma, X Wang, X. Xu, and Z. Liu, Acta Opt. Sin. (in Chinese) 30, 2033 (2010).
[9] D. Cai, H. Yang, N. Ling, and W. Jiang, Chinese J. Lasers (in Chinese) 35, 491 (2008).
[10] N. Fukuchi, T. Inoue, H. Toyoda, and T. Hara, Chin. Opt. Lett. 7, 1131 (2009).
[11] J. L. Pezzaniti and R. A. Chipman, Opt. Lett. 18, 1567(1993).
[12] J. A. Davis, I. Moreno, and P. Tsai, Appl. Opt. 37, 937(1998).
[13] V. Dur′an, J. Lancis, E. Tajahuerce, and M. FernandezAlonso, Opt. Express 14, 5607 (2006).
[14] K. Lu and B. E. A. Saleh, Opt. Eng. 29, 240 (1990).
[15] J. A. Coy, M. Zaldarriaga, D. F. Grosz, and O. E. Martinez, Opt. Eng. 35, 15 (1996).
[16] A. M′arquez, J. Campos, M. J. Yzuel, I. Moreno, J. A. Davis, C. Lemmi, A. Moreno, and A. Robert, Opt. Eng. 39, 3301 (2000).
[17] M. Yamauchi, Appl. Opt. 44, 4484 (2005).
[18] V. Dur′an, J. Lancis, E. Tajahuerce, and Z. Jaroszewicz, J. Appl. Phys. 99, 113101 (2006).
[19] I. Moreno, P. Vel′asquez, C. R. Fern′andez-Pousa, M. M. Sanchez-L′opez, and F. Mateos, J. Appl. Phys. 94, 3697(2003).
[20] B. Ma, B. Yao, T. Ye, and M. Lei, J. Appl. Phys. 107, 073107 (2010).