[1] W. Koechner, Solid-State Laser Engineering (Springer, Berlin, 2003).
[2] I. Mukhin, O. Palashov, and E. Khazanov, Opt. Express 17, 5496 (2009).
[3] S. D. Jackson and J. A. Piper, Appl. Opt. 35, 1409 (1996).
[4] M. Schmid, R. Weber, T. Graf, M. Roos, and H. P. Weber, IEEE J. Quantum Eelectron. 36, 620 (2000).
[5] M. P. Murdough and C. A. Denman, Appl. Opt. 35, 5925 (1996).
[6] J. Sherman, Appl. Opt. 37, 7789 (1998).
[7] E. A. Khazanov, Quantum Electron. 31, 351 (2001).
[8] W. C. Scott and M. de. Wit, Appl. Phys. Lett. 18, 3 (1971).
[9] J. Richards, Appl. Opt. 26, 2514 (1987).
[10] W. A. Clarkson, N. S. Felgate, and D. C. Hanna, Opt. Lett. 24, 820 (1999).
[11] R. Fluck, M. R. Hermann, and L. A. Hackel, Appl. Phys. Lett. 76, 1513 (2000).
[12] J. J. Morehead, IEEE J. Sel. Top. Quantum Electron. 13, 498 (2007).
[13] L. N. Soms, A. A. Tarasov, and V. V. Shashkin, Sov. J. Quantum Electron. 10, 350 (1980).
[14] I. Shoji and T. Taira, Appl. Phys. Lett. 80, 3048 (2002).
[15] W. Koechner and D. K. Rice, IEEE J. Quantum Electron. QE-6, 557 (1970).
[16] S. Z. Kurtev, O. E. Denchev, and S. D. Savov, Appl. Opt. 32, 278 (1993).
[17] I. B. Mukhin, O. V. Palashov, E. A. Khazanov, and I. A. Ivanov, JETP Lett. 81, 90 (2005).
[18] O. Puncken, H. Tunnermann, J. Morehead, P. Webels, M. Frede, J. Neumann, and D. Kracht, Opt. Express 18, 20461 (2010).
[19] H. Tunnermann, O. Puncken, P. Webels, M. Frede, J. Neumann, and D. Kracht, Opt. Express 19, 12992 (2011).