Evaluating subsurface damage in optical glasses Jian Wang, Yaguo Li, Jinghua Han, Qiao Xu and Yinbiao Guo J. Eur. Opt. Soc.-Rapid Publ., 6 (2011) 11001 Published online: 22 February 2011 DOI: 10.2971/jeos.2011.11001