[1] [1] S. Gorthi and P. Rastogi, Opt. Laser. Eng. 48, 133 (2010).

[2] [2] G. H. Notni and G. Notni, Proc. SPIE 5144, 372 (2003).

[3] [3] K. Liu, Y. Wang, D. L. Lau, Q. Hao, and L. G. Hasse-brook, J. Opt. Soc. Am. A 27, 553 (2010).

[4] [4] B. A. Rajoub, D. R. Burton, and M. J. Lalor, J. Opt. A 7, S368 (2005).

[5] [5] P. Jia, J. Kofman, and C. English, Opt. Eng. 46, 043601 (2007).

[6] [6] P. Jia, J. Kofman, and C. English, Opt. Laser Eng. 46, 311 (2008).

[7] [7] S. Lei and S. Zhang, Opt. Lett. 34, 3080 (2009).

[8] [8] S. Lei and S. Zhang, Opt. Laser. Eng. 48, 561 (2010).

[9] [9] S. Zhang and P. S. Huang, Opt. Eng. 46, 601 (2007).

[10] [10] S. Zhang and S.-T. Yau, Appl. Opt. 46, 36 (2007).

[11] [11] H. Guo, H. He, and M. Chen, Appl. Opt. 43, 2906 (2004).

[12] [12] B. Pan, Q. Kemao, L. Huang, and A. Asundi, Opt. Lett. 34, 416 (2009).

[13] [13] H. Cui, W. Liao, X. Cheng, N. Dai, and T. Yuan, Chin. Opt. Lett. 8, 33 (2010).

[14] [14] B. Liu, P. Wang, Y. Zeng, and C. Sun, Chin. Opt. Lett. 8, 666 (2010).