[1] [1] O. E. Gawhary and S. Severini, J. Opt. A: Pure Appl. Opt. 8, 409 (2006).

[2] [2] O. E. Gawhary and S. Severini, Opt. Commun. 269, 274 (2007).

[3] [3] A. Naqwi and F. Durst, Appl. Opt. 29, 1780 (1990).

[4] [4] W. P. Dumke, IEEE J. Quantum Electron. QE-11, 400 (1975).

[5] [5] J. Yang, T. Chen, G. Ding, and X. Yuan, Proc. SPIE 6824, 68240A (2007).

[6] [6] G. Zhou, Appl. Phys. B 93, 891 (2008).

[7] [7] G. Zhou, J. Opt. Soc. Am. B 26, 141 (2009).

[8] [8] G Zhou, J. Opt. Soc. Am. A 26, 350 (2009).

[9] [9] G Zhou, J. Opt. Soc. Am. A 25, 2594 (2008).

[10] [10] G. Zhou, Appl. Phys. B 96, 149 (2009).

[11] [11] G. Zhou, Opt. Commun. 283, 1236 (2010).

[12] [12] G. Zhou and X. Chu, Opt. Express 18, 726 (2010).

[13] [13] D. Lu, W. Hu, Y. Zheng, and Z. Yang, Chin. Opt. Lett. 1, 556 (2003).

[14] [14] G. A. Deschamps, Electron. Lett. 7, 684 (1971).

[15] [15] L. B. Felsen, J. Opt. Soc. Am. 66, 751 (1976).

[16] [16] S. Y. Shin and L. B. Felsen, J. Opt. Soc. Am. 67, 699 (1977).

[17] [17] S. R. Seshadri, Opt. Lett. 27, 998 (2002).

[18] [18] S. R. Seshadri, Opt. Lett. 27, 1872 (2002).

[19] [19] S. R. Seshadri, J. Opt. Soc. Am. A 19, 2134 (2002).

[20] [20] S. R. Seshadri, Opt. Lett. 28, 595 (2003).

[21] [21] K. Gao, L. Xu, R. Zheng, G. Chen, H. Zheng, and H. Ming, Chin. Opt. Lett. 8, 45 (2010).

[22] [22] M. A. Bandres and J. C. Gutierrez-Vega, Opt. Lett. 29, 2213 (2004).

[23] [23] Y. C. Zhang, Y. J. Song, Z. R. Chen, J. H. Ji, and Z. X. Shi, Opt. Lett. 32, 292 (2007).

[24] [24] D. M. Deng and Q. Guo, Opt. Lett. 33, 1225 (2008).

[25] [25] K. Zhu, X. Li, T. Wang, and H. Tang, J. Opt. Soc. Am. A 26, 2202 (2009).

[26] [26] D. M. Deng and Q. Guo, J. Opt. Soc. Am. B 26, 2044 (2009).

[27] [27] P. P. Schmidt, J. Phys. B 9, 2331 (1976).

[28] [28] A. Torre, W. A. B. Evans, O. E. Gawhary, and S. Severini, J. Opt. A: Pure Appl. Opt. 10, 1464 (2008).

[29] [29] G. Zhou, Opt. Express 18, 4637 (2010).