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@inproceedings{zhang:ipac2021-thpab120,
author = {Z. Zhang and Y. Ding and Z. Huang},
title = {{Beam on Demand for High-Repetition-Rate X-Ray Free-Electron Lasers}},
booktitle = {Proc. IPAC'21},
pages = {3995--3998},
eid = {THPAB120},
language = {english},
keywords = {electron, laser, FEL, SRF, linac},
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-THPAB120},
url = {https://jacow.org/ipac2021/papers/thpab120.pdf},
note = {https://doi.org/10.18429/JACoW-IPAC2021-THPAB120},
abstract = {{High-repetition-rate (HRR) free-electron lasers (FELs) with multiple undulator beamlines will advance the frontiers of X-ray science significantly from the remarkable success of existing X-ray FEL facilities. The wide-ranging requirements for the photon properties from multiple beamlines are extremely challenging to satisfy by the same electron beam from a single superconducting radio-frequency (SRF) accelerator. To realize the full potential of an HRR FEL facility, a new emerging concept of "beam on demand" is proposed here. The concept is based on advanced beam dynamics and radio-frequency (RF) techniques to provide beam properties tailored to each undulator line at the desired repetition rate. The beam properties that will be pursued in this proposal include, but are not limited to, beam energy, bunch charge, bunch length, beam current, and its profile. The realization of "beam on demand" will allow optimization of photon properties of individual beamlines to maximize their performance and drastically improve the multiplexing capabilities of Linac Coherent Light Source II and its high-energy upgrade.}},
}