1. First operation of a free-electron laser generating GW power radiation at 32 nm wavelength
2. First lasing and operation of an ångstrom-wavelength free-electron laser
3. M. Altarelli, R. Brinkmann, M. Chergui, W. Decking, B. Dobson, B. Düsterer, S. S. Sterer, G. Grübel, W. Graeff, H. Graafsma, J. Hajdu, J. Marangos, J. Pflger, H. Redlin, D. Riley, I. Robinson, J. Rossbach, A. Schwarz, K. Tiedtke, T. Tschentscher, I. Vartaniants, H. Wabnitz, H. Weise, R. Wichmann, K. Witte, A. Wolf, M. Wulff, and Y. Mickhail, Technical Design Report, DESY 97 (2006).
4. A 10fs X-ray emission switch driven by an intense X-ray free electron laser
5. Finite temperature dense matter studies on next-generation light sources