%0 conference lecture %@ %A Hertlein, F.,Wiesmann, J.,michaelsen, C.,Stoermer, M.,Seifert, A. %D 2007 %J International Congress on Optics and Optoelectronics 2007, Damage to VUV, EUV, and X-ray Optics %N %P %T State-of-the-art thin film X-ray optics for synchrotrons and FEL sources %U %X