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@inproceedings{decker:ipac2021-tupab083,
author = {F.-J. Decker and C. Bianchini Mattison and D.K. Bohler and A. Brachmann and W.S. Colocho and S. Condamoor and M.L. Gibbs and K.H. Kim and A.A. Lutman and T.J. Maxwell and J.A. Mock and H.-D. Nuhn and J.C. Sheppard and H. Smith and T.J. Smith and M. Stanek and S. Zelazny and Z. Zhang and C.M. Zimmer},
% author = {F.-J. Decker and C. Bianchini Mattison and D.K. Bohler and A. Brachmann and W.S. Colocho and S. Condamoor and others},
% author = {F.-J. Decker and others},
title = {{Dual Energies in the LCLS Copper Linac}},
booktitle = {Proc. IPAC'21},
pages = {1570--1572},
eid = {TUPAB083},
language = {english},
keywords = {linac, quadrupole, feedback, klystron, betatron},
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-TUPAB083},
url = {https://jacow.org/ipac2021/papers/tupab083.pdf},
note = {https://doi.org/10.18429/JACoW-IPAC2021-TUPAB083},
abstract = {{For LCLS-II two undulators were installed at SLAC, one for soft and one for hard x-rays. Before the superconducting linac gets turned on the copper linac is providing beams at 120 Hz to these two beam destinations. The 120 Hz can be split in many different ratios between soft and hard via a pulsed magnet. To get an optimized beam for the quite different photon energies the pulsed linac components like modulators and RF can provide many different beam parameters, mainly energies and bunch lengths for the two undulator lines. How this was implemented with timing setups of triggers and finally after the split the necessary matching of the transverse phase space will be discussed.}},
}