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@inproceedings{boltz:ipac2021-wepab233,
author = {T. Boltz and E. Blomley and M. Brosi and E. Bründermann and B. Härer and A. Mochihashi and A.-S. Müller and P. Schreiber and M. Schuh and M. Yan},
% author = {T. Boltz and E. Blomley and M. Brosi and E. Bründermann and B. Härer and A. Mochihashi and others},
% author = {T. Boltz and others},
title = {{Excitation of Micro-Bunching in Short Electron Bunches Using RF Amplitude Modulation}},
booktitle = {Proc. IPAC'21},
pages = {3173--3176},
eid = {WEPAB233},
language = {english},
keywords = {bunching, synchrotron, electron, radiation, experiment},
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-WEPAB233},
url = {https://jacow.org/ipac2021/papers/wepab233.pdf},
note = {https://doi.org/10.18429/JACoW-IPAC2021-WEPAB233},
abstract = {{In its short-bunch operation mode, the KIT storage ring KARA provides picosecond-long electron bunches, which emit coherent synchrotron radiation (CSR) up to the terahertz frequency range. Due to the high spatial compression under these conditions, the self-interaction of the bunch with its own emitted CSR induces a wake-field, which significantly influences the longitudinal charge distribution. Above a given threshold current, this leads to the formation of dynamically evolving micro-structures within the bunch and is thus called micro-bunching instability. As CSR is emitted at wavelengths corresponding to the spatial dimension of the emitter, these small structures lead to an increased emission of CSR at higher frequencies. The instability is therefore deliberately induced at KARA to provide intense THz radiation to dedicated experiments. To further increase the emitted power in the desired frequency range, we consider the potential of RF amplitude modulations to intentionally excite this form of micro-bunching in short electron bunches. This work is supported by the BMBF project 05K19VKC TiMo (Federal Ministry of Education and Research).}},
}