Sflash - First results of direct seeding at flash
The free-electron laser facility FLASH at DESY (Hamburg) was upgraded during a five month shutdown in winter 2009 [1]. Part of this upgrade was the installation of a direct seeding experiment in the XUV spectral range. Besides all components for transport and diagnostics of the photon beam into and out of the accelerator environment, a new 10m long variable-gap undulator was installed upstream of