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Abstract
An experimental setup for liquid jet applications was implemented at the Materials Imaging and Dynamics Instrument (MID) of the European XFEL. This setup is operated in the multi-purpose experimental chamber of MID at pressures down to 10−5 mbar. The motion of the nozzle was realized in three dimensions for alignment purposes and the investigation of liquids at different states of supercooling. For this purpose, an active nozzle temperature control is implemented and a catcher system has been installed to capture the liquid after passing the interaction region to maintain good vacuum conditions. The setup is compatible with different nozzle designs. For spill protection, additional housing with secondary pumping around the nozzle, liquid jet and catcher was implemented. A magnifying camera system for aligning the jet and shadow imaging is available. The setup has already been commissioned and operated with different jets and detector configurations.