[1] [1] T. Taira, IEEE J. Sel. Top. Quantum Electron. 13, 798 (2007).

[2] [2] A. Heller, “Transparent ceramics spark laser advances" https://www.llnl.gov/str/april06/soules.htm (April 15, 2008).

[3] [3] H. Yu and G. Bourdet, Appl. Opt. 44, 7161 (2005).

[4] [4] K. Ueda, J.-F. Bisson, H. Yagi, K. Takaichi, A. Shirakawa, T. Yanagitani, and A. A. Kaminskii, Laser Phys. 15, 927 (2005).

[5] [5] "Solid-state heat-capacity laser" https://lasers.llnl.gov/ programs/psa/directed_energy/sshcl.php (April 15, 2008).

[6] [6] D. Kracht, D. Freiburg, R. Wilhelm, M. Frede, and C. Fallnich, Opt. Express 14, 2690 (2006).

[7] [7] Y. Qi, Q. Lou, H. Ma, and J. Dong, Chin. Opt. Lett. 3, 89 (2005).

[8] [8] J. Ji, X. Zhu, C. Wang, Y. Feng, and Q. Lou, Chin. Opt. Lett. 4, 219 (2006).

[9] [9] J. Li, B. Jiang, Y. Pan, Y. Wu, J. Li, J. Xu, X. Feng, L. Huang, and J. Guo, Chinese J. Lasers (in Chinese) 33, 864 (2006).

[10] [10] J. Ji, Y. Qi, X. Zhu, and Q. Lou, Acta Opt. Sin. (in Chinese) 26, 415 (2006).

[11] [11] U. Brauch, A. Giesen, M. Karszewski, C. Stewen, and A. Voss, Opt. Lett. 20, 713 (1995).

[12] [12] M. Tsunekane and T. Taira, Opt. Lett. 31, 2003 (2006).

[13] [13] A. Giesen, Laser Technik Journal 2, (2) 42 (2005).