[1] H. Xia, D. Sun, Y. Yang, F. Shen, J. Dong, and T. Kobayashi, Appl. Opt. 46, 29 (2007).
[2] C. Flesia, C. L. Korb, and C. Hirt, Opt. Lett. 25, 1466 (2000).
[3] Z. Liu, Z. Li, B. Liu, and R. Li, Chin. Opt. Lett. 7, 1051 (2009).
[4] Z.-S. Liu, D. Wu, J.-T. Liu, K.-L. Zhang, W.-B. Chen, X.-Q. Song, J. W. Hair, and C.-Y. She, Appl. Opt. 33, 7079 (2002).
[5] C. Souprayen, A. Garnier, A. Hertzog, A. Hauchecorne, and J. Porteneuve, Appl. Opt. 38, 2410 (1999).
[6] C. Souprayen, A. Garnier, and A. Hertzog, Appl. Opt. 38, 2422 (1999).
[7] B. M. Gentry, H. Chen, and S. X. Li, Opt. Lett. 25, 1231 (2000).
[8] M. J. McGill, W. R. Skinner, and T. D. Irgang, Appl. Opt. 36, 1253 (1997).
[9] V. J. Abreu, Appl. Opt. 18, 2992 (1979).
[10] C. L. Korb, B. M. Gentry, S. X. Li, and C. Flesia, Appl. Opt. 37, 3097 (1998).
[11] D. J. McCleese and J. S. Margolis, Appl. Opt. 22, 2528 (1983).
[12] D. Rees and I. S. McDermid, Appl. Opt. 29, 4133 (1990).
[13] M. J. McGill and J. D. Spinherne, Opt. Eng. 37, 2675 (1998).
[14] F. Shen, H. Cha, D. Sun, D. Kim, and S. O. Kwon, Opt. Rev. 15, 204 (2008).
[15] F. Shen, H. Cha, J. Dong, D. Kim, D. Sun, and S. O. Kwon, Chin. Opt. Lett. 7, 503 (2009).
[16] C. L. Korb, B. M. Gentry, and S. X. Li, Appl. Opt. 36, 5976 (1997).