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@inproceedings{majernik:ipac2021-tupab094,
author = {N. Majernik and A. Fukasawa and J.B. Rosenzweig and A. Suraj},
title = {{Multi-Start Foil Wound Solenoids for Multipole Suppression}},
booktitle = {Proc. IPAC'21},
pages = {1596--1599},
eid = {TUPAB094},
language = {english},
keywords = {solenoid, multipole, emittance, simulation, quadrupole},
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-TUPAB094},
url = {https://jacow.org/ipac2021/papers/tupab094.pdf},
note = {https://doi.org/10.18429/JACoW-IPAC2021-TUPAB094},
abstract = {{Solenoids for beam transport are typically wound helically, with each layer of wire being laid down on top of the previous, or as "pancakes" where the wire is wound radially in before crossing over and winding out. Both of these approaches break rotational symmetry and introduce higher-order multipole moments which can be deleterious to beam emittance. For high brightness beams, this can be particularly problematic. To this end, a solenoid employing multi-start foil windings is simulated and compared to conventional choices. With appropriate design, this approach can forbid certain multipoles by symmetry.}},
}