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@inproceedings{kroh:ipac2021-wepab158,
author = {T. Kroh and R.W. Aßmann and U. Demirbas and H. Dinter and M. Fakhari and M. Hemmer and M.J. Kellermeier and F.X. Kärtner and N.H. Matlis and M. Pergament and T. Rohwer and H. Çankaya},
% author = {T. Kroh and R.W. Aßmann and U. Demirbas and H. Dinter and M. Fakhari and M. Hemmer and others},
% author = {T. Kroh and others},
title = {{Compact Terahertz-Powered Electron Photo-Gun}},
booktitle = {Proc. IPAC'21},
pages = {2983--2985},
eid = {WEPAB158},
language = {english},
keywords = {electron, gun, cathode, injection, acceleration},
venue = {Campinas, SP, Brazil},
series = {International Particle Accelerator Conference},
number = {12},
publisher = {JACoW Publishing, Geneva, Switzerland},
month = {08},
year = {2021},
issn = {2673-5490},
isbn = {978-3-95450-214-1},
doi = {10.18429/JACoW-IPAC2021-WEPAB158},
url = {https://jacow.org/ipac2021/papers/wepab158.pdf},
note = {https://doi.org/10.18429/JACoW-IPAC2021-WEPAB158},
abstract = {{Novel accelerator concepts such as all-optical THz based compact accelerators promise to enable new science due to unique features such as reduced timing-jitter and improved space-charge broadening of the generated electron bunches. However, multi-keV electron photo-guns based on short single-cycle THz pulses for acceleration have not been demonstrated experimentally so far. Here, we present a modular THz-driven electron gun with both tunable interaction length and output orifice allowing optimization of the sub-mm interaction volume. First extraction of multi-keV electrons is demonstrated and the parameter space as well as resulting performance of the THz-driven gun by varying the timing of the two single-cycle THz pulses and the UV photo-excitation pulse are explored. Such compact gun prototypes are not only promising as injectors for compact THz-based LINACs but also as source for ultrafast electron diffraction experiments.}},
}