Abstract
Laboratory based X-ray lasers (XRL) exhibit a broad application potential in material sciences, imaging, spectroscopy and laser plasma diagnostics if two main issues are solved: a stable, well defined output of the system and a high repetition rate for fast data acquisition. During the last few years using the grazing incidence pumping (GRIP) scheme an pump energy level as low as 1 J was demonstrated for saturated XRL operation. This pump energy could be provided in principle even by commercially available Ti:Sa laser systems. However, the repetition rate of these systems is limited to 10 Hz and the output stability of the XRL follows that of the pumping laser. To overcome this situation a dedicated high repetition rate XRL pumping laser will be introduced here. This concept is based on a fully diode pumped solid state laser using thin Yb:YAG disks as active material. In this paper we report about the first phase of the project aimed at a high average power XRL user station based on the GRIP scheme.
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