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| Home > Publications database > Design Study for Generating Sub-femtosecond to Femtosecond Electron Bunches for Advanced Accelerator Development at SINBAD |
| Dissertation / PhD Thesis | PUBDB-2018-01379 |
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2017
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Please use a persistent id in citations: urn:nbn:de:gbv:18-89386 doi:10.3204/PUBDB-2018-01379
Abstract: The SINBAD (Short INnovative Bunches and Accelerators at DESY) project is adedicated, long-term accelerator research and development (R&D) facility currentlyunder construction at the DESY Hamburg campus, aiming to provide an infrastructurefor developing several types of novel high-gradient accelerators. The research presented in this thesis addresses the design of the magnetic lattice as well as the modeling and simulations of ultra-short electron bunch generation at the ARES (Accelerator Research Experiment at SINBAD) linac, which is the core of the SINBAD facility. In order to meet the requirements of the high-gradient accelerators, the ARES linac was optimized to provide ~100 MeV, low charge (0.5 to 30 picocoulombs) and ultra-short electron bunches (sub-femtosecond to dozens of femtoseconds) with ultra-small spot sizes (less than a few micrometers) and excellent timing stability (rms bunch arrival-time jitter < 10 femtoseconds). As one of the research branches, the generation of a train of dozensof-femtosecond-long electron bunches with terahertz repetition rate was experimentally investigated at the SPARC_LAB test facility. A novel method was proposed to simultaneously measure the relative misalignments of the individual electron bunches in both planes, which is beyond the reach of up-to-date beam position monitors.
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