M. Wellhöfer

Resonant two-photon absorption of extreme-ultraviolet free-electron-laser radiation in helium

Wilfried Wurth, Josef Feldhaus, Jochen R. Schneider, 2007 .

The soft x-ray free-electron laser FLASH at DESY: beamlines, diagnostics and end-stations

H. Wabnitz, Barbara Keitel, E. Plönjes, 2009 .

Photoelectron spectroscopy as a non-invasive method to monitor SASE-FEL spectra

Wilfried Wurth, Mathias Richter, Jens Viefhaus, 2008 .

Resonant multiphoton processes in the soft-x-ray regime

Wilfried Wurth, A. A. Sorokin, Mathias Richter, 2009 .

Operation of a Free Electron Laser in the Wavelength Range from the Extreme Ultraviolet to the Water Window

P. Nicolosi, J. Feldhaus, D. Lipka, 2006 .

Monochromator beamline for FLASH

Wilfried Wurth, Josef Feldhaus, Michael Martins, 2006 .

Performance of the monochromator beamline at FLASH

Wilfried Wurth, Mathias Richter, Michael Martins, 2007 .