[1] L. Li, L. Pan, and J. Ma, Chin. Opt. Lett. 6, 426 (2008).
[2] T. Zhou, C. Tan, C. Leis, I. Harvey, G. Lewis, T. Wong, and M. O’Neill, Proc. SPIE 4930, 7 (2002).
[3] F.-H. Lo, J.-W. Kuo, N.-H. Tseng, J.-J. Ju, and D. Howe, Jpn. J. Appl. Phys. 43, 4852 (2004).
[4] Q. Zhang, Y. Ni, D. Xu, H. Hu, J. Song, and H. Hu, Jpn. J. Appl. Phys. 45, 4097 (2006).
[5] Y. Tang, J. Pei, L. Pan, Y. Ni, and H. Hu, Acta Opt. Sin. (in Chinese) 28, 1353 (2008).
[6] Q. Shen, J. Pei, H. Xu, L. Wang, and D. Xu, Jpn. J. Appl. Phys. 45, 5764 (2006).
[7] J. Braat, Appl. Opt. 37, 6973 (1998).
[8] H. H. Hopkins, J. Opt. Soc. Am. 69, 4 (1979).
[9] T. D. Milster, Appl. Opt. 37, 6878 (1998).
[10] R. S. Upton and T. D. Milster, Opt. Eng. 40, 1030 (2001).
