Laser-induced damage in optical materials: 1999 : 31st Annual Boulder Damage Symposium : proceedings : 4-7 October, 1999 Boulder, Colorado / editors, Gregory J. Exarhos, ... [et al.] ; sponsored by, Lawrence Livermore National Laboratory ; cooperating organizations, Center for High Technology Materials at the University of New Mexico ... [et al.] ; published by SPIE, the International Society for Optical Engineering / Bellingham (Wash.) : SPIE , cop. 2000