High Brightness XUV Frequency Combs via Intracavity High Harmonic Generation T. K. Allison, A. Cingöz, C. Benko, D. C. Yost, A. Ruehl, M. Fermann, I. Hartl and J. Ye EPJ Web of Conferences, 41 (2013) 11006 Published online: 13 March 2013 DOI: 10.1051/epjconf/20134111006