Speaker
Description
Ultrafast electron diffraction (UED) allows for the characterization of structural and electronic dynamics in samples with sub-picosecond resolution. Utilizing a continuous wave photoinjector gives rise to MHz MeV UED, which has the benefits of better temporal resolution, higher beam coherence, higher resolution, and high repetition rates. A superconducting radiofrequency (SRF) photoinjector is part of the existing ELBE user facility at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR), delivering electron beams in user operation since 2010. The HZDR is planning the construction of the Dresden Advanced Light Infrastructure (DALI), a source of positrons beams and IR and THz radiation. One of DALI's end stations will consist of the MeV UED facility, allowing to pump with IR and THz beams, and probe the samples with an electron beam, generated using an HZDR-type SRF photoinjector. In this proceeding we present the first MeV electron diffraction results using the HZDR-type SRF photoinjector at ELBE.
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