Slice energy spread is one of the key parameters in free electron laser optimizations, but its
accurate measurement is not straightforward. Two recent studies from high energy (≥ 100 …

The SINBAD (Short INnovative Bunches and Accelerators at DESY) project is a dedicated,
long-term accelerator research and development (R&D) facility currently under construction …

The high peak current of the electron beam was found to be the key parameter for the THz
SASE FEL at the Photo Injector Test facility at DESY in Zeuthen (PITZ). A multipurpose …

The invention of free electron lasers (FELs) opened new opportunities for the investigation of
natural phenomena. However, the operation of a FEL requires high energy, high peak …

The European XFEL has planned to perform pump-probe experiments by using its x-ray
pulses and THz pulses. A promising concept to provide the THz pulses is to generate them …

For successful operation of X-ray Free Electron Lasers, one crucial parameter is the
ultrashort electron bunch length yielding a high peak current and a short saturation length. In …

The knowledge of the longitudinal phase space (LPS) of electron beams is of great
importance for optimizing the performance of high brightness photo injectors. To get the …

A transverse deflecting system (TDS) is under commissioning at the Photo Injector Test
Facility at DESY, Zeuthen site (PITZ). The structure was designed and manufactured by the …

Here a compact three orthogonal planes high-energy electron radiography system was
proposed. One of the critical technologies, the ultra-fast beam bunches split from the bunch …

The longitudinal phase space characteristics of spacecharge dominated electron beams are
keys to achieving bunch compression for the accelerator-based THz source at the Photo …