[1] M. J. Damzen, M. Trew, E. Rosas, and G. J. Crofts, Opt. Commun. 196, 237 (2001).
[2] G. Feugnet, C. Bussac, C. Larat, M. Schwarz, and J. P. Pocholle, Opt. Lett. 20, 157 (1995).
[3] A. Agnesi, C. Pennacchio, G. C. Reali, and V. Kubecek, Opt. Lett. 22, 1645 (1997).
[4] Y.-F. Chen and S. W. Tsai, Opt. Lett. 27, 397 (2002).
[5] D. Golla, S. Knoke, W. Schone, G. Ernst, M. Bode, A. Tunnermann, and H. Welling, Opt. Lett. 20, 1148 (1995).
[6] S. Fujikawa, K. Furuta, and K. Yasui, Opt. Lett. 26, 602 (2001).
[7] Y. Hirano, Y. Koyata, S. Yamamoto, K. Kasahara, and T. Tajime, Opt. Lett. 25, 679 (1999).
[8] S. Fujikawa, T. Kojima, and K. Kasui, IEEE J. Selected Topics in Quantum Electron. 3, 40 (1997).
[9] S. Konno, S. Fujikawa, and K. Yasui, Appl. Phys. Lett. 19, 2696 (2001).
[10] D. L. Yu and D. Y. Tang, Optics & Laser Technol. 35, 37 (2003).
[11] H. L. Wang, W. L. Huang, Z. Y. Zhou, and H. B. Cao, Laser Technol. (in Chinese) 26, 23 (2002).
[12] R. Ifflander, Solid-State Lasers for Materials Processing (Springer, Berlin, 2001) p. 83.