in Laser-Induced Damage in Optical Materials: 2005, edited by G. J. Exarhos, A. H. Guenther, K. L. Lewis, D. Ristau, M. J. Soileau, and C. J. Stolz (SPIE, Bellingham, WA, 2005); 5991; Conference: Boulder Damage Synposium XXXVII, Boulder, CO, 19-21 September 2005