Towards Single-Shot XUV-Pump-XUV-Probe Studies
During the last decades, systematic efforts in ultra-short pulse generation led to the development of table-top sources with the capability of producing such pulses in the extreme-ultraviolet spectral range (XUV). Such pulses have been extensively exploited in the investigation of ultrafast dynamics in all states of matter. Intense XUV radiation, that can induce non-linear processes in the XUV spectral range, advance such studies through time resolved measurements performed by means of XUV-pump-XUV-probe schemes. Although these schemes, as fully perturbative, are highly beneficial for such studies, they are inherited with spectroscopic limitations held by the stability of the experimental conditions and the delay lines of the pump-probe arrangement. Here, we describe an approach which provides high temporal and spectral resolution realized in a single-shot measurement. The approach is based on a recently developed method for measuring the spatially resolved photoionization yield resulting from the interaction of XUV pulses with gas phase media.
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