[1] [1] C. P. J. Barty, G. Korn, F. Raksi, C. Rose-Petruck, and J. Squier, Opt. Lett. 21, 219 (1996).

[2] [2] K. Yamakawa, M. Aoyama, S. Matsuoka, T. Kase, Y. Akahane, and H. Takuma, Opt. Lett. 23, 1468 (1998).

[3] [3] M. Aoyama, K. Yamakawa, Y. Akahane, J. Ma, N. Inoue, H. Ueda, and H. Kiriyama, Opt. Lett. 28, 1594 (2003).

[4] [4] J. P. Chambaret, C. Le Blanc, G. Cheriaux, P. Curley, G. Darpentigny, P. Rousseau, G. Hamoniaux, A. Antonetti, and F. Salin, Opt. Lett. 21, 1921 (1996).

[5] [5] C. P. J. Barty, C. L. Gordon III, and B. E. Lemoff, Opt. Lett. 19, 1442 (1994).

[6] [6] S. Backus, J. Peatross, C. P. Huang, M. M. Murnane, and H. C. Kapteyn, Opt. Lett. 20, 2000 (1995).

[7] [7] N. Zhavoronkov and G. Korn, Opt. Lett. 29, 198 (2004).

[8] [8] T. B. Norris, Opt. Lett. 17, 1009 (1992).

[9] [9] K. Hong, S. Kostritsa, T. Yu, J. Sung, Y. Noh, D. Ko, and J. Lee, Opt. Express 14, 970 (2006).

[10] [10] L. Lin, Z. Xu, X. Yang, R. Li, H. Lu, W. Wang, Y. Leng, Z. Zhang, Y. Jiang, S. Jin, D. Ying, and W. Zhang, in Proceedings of CLEO/Pacific Rim 2003, W4D-(3)-5 (2003).

[11] [11] A. Offner, "Unit power imaging catoptric anastigmat" US patent 3,748,015 (1973).

[12] [12] G. Cheriaux, P. Rousseau, F. Salin, J. P. Chambaret, B. Walker, and L. Dimauro, Opt. Lett. 21, 414 (1996).