[1] M. Gu, Advanced Optical Imaging Theory (Springer, Heidelberg, 2000).

[2] L. E. Helseth, Opt. Commun. 212, 343 (2002).

[3] Z. Zhang, J. Pu, and X. Wang, Opt. Lett. 33, 49 (2008).

[4] D. G. Grier, Nature 424, 810 (2003).

[5] N. Sanner, N. Huot, E. Audouard, C. Larat, J. Huignard, and B. Loiseaux, Opt. Lett. 30, 1479 (2005).

[6] F. M. Dickey, S. C. Holswade, and D. L. Shealy, Laser Beam Shap-ing Applications (Taylor & Francis Group, Boca Raton, 2006).

[7] I. Iglesias and B. Vohnsen, Opt. Commun. 271, 40 (2007).

[8] L. Guo, Z. Tang, C. Liang, and Z. Tan, Chin. Opt. Lett. 7, 938 (2009).

[9] K. A. Serrels, E. Ramsay, R. J. Warburton, and D. T. Reid, Nat. Photon. 2, 311 (2008).

[10] L. Guo, C. Min, S. Wei, and X. Yuan, Chin. Opt. Lett. 11, 052601 (2013).

[11] K. Huang, P. Shi, G. W. Cao, K. Li, X. B. Zhang, and Y. P. Li, Opt. Lett. 36, 888 (2011).

[12] Q. Zhan, Adv. Opt. Photon. 1, 1 (2009).

[13] S. N. Khonina and I. Golub, J. Opt. Soc. Am. A 29, 1470 (2012).

[14] K. Hu, Z. Chen, and J. Pu, Opt. Lett. 37, 3303 (2012).

[15] H. Chen, Z. Zheng, B. F. Zhang, J. Ding, and H. T. Wang, Opt. Lett. 35, 2825 (2010).

[16] J. Hao, Z. Yu, H. Chen, Z. Chen, H. Wang, and J. Ding, Appl. Opt. 53, 785 (2014).

[17] B. Richards and E. Wolf, Proc. R. Soc. Lond. A 253, 358 (1959).

[18] P.Torok, P. Higdon, and T. Wilson, Opt. Commun. 148, 300 (1998).

[19] A. Bekshaev, K. Bliokh, and M. Soskin J. Opt. 13, 053001 (2011).

[20] B. R. Boruah and M. A. A. Neil, Opt. Commun. 282, 4660 (2009).

[21] J. Lin, X.-C. Yuan, S. S. Kou, C. J. R. Sheppard, O. G. Rodrí-guez-Herrera, and J. C. Dainty, Opt. Lett. 36, 1341 (2011).

[22] R. W. Gerchberg and W. O. Saxton, Optik 35, 237 (1972).

[23] X. Wang, J. Ding, W. J. Ni, C. S. Guo, and H. T. Wang, Opt. Lett. 32, 3549 (2007).

[24] X. Wang, Y. Li, J. Chen, C. Guo, J. Ding, and H. T. Wang, Opt. Express 18, 10786(2010).

[25] H. Chen, J. Hao, B. F. Zhang, J. Xu, J. Ding, and H. T. Wang, Opt. Lett. 36, 3179 (2011).

[26] M. V. Berry, J. Opt. A: Pure Appl. Opt. 11, 094001 (2009).

[27] G. Cipparrone, I. Ricardez-Vargas, P. Pagliusi, and C. Provenza-no, Opt. Express 18, 6008 (2010).

[28] Y. Roichman, B. Sun, Y. Roichman, J. Amto-Grill, and D. Grier, Phy. Rev. Lett. 100, 013602 (2008).

[29] D. Ruffner and D. Grier, Phys. Rev. Lett. 108, 173602 (2012)