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@inproceedings{gadjev:ipac2021-thpab230,
author = {I.I. Gadjev and G. Andonian and T.J. Campese and C.C. Hall and M. Ruelas},
title = {{Design of Split Permanent Magnet Quadrupoles for Small Aperture Implementation}},
booktitle = {Proc. IPAC'21},
pages = {4247--4249},
eid = {THPAB230},
language = {english},
keywords = {quadrupole, permanent-magnet, electron, focusing, simulation},
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-THPAB230},
url = {https://jacow.org/ipac2021/papers/thpab230.pdf},
note = {https://doi.org/10.18429/JACoW-IPAC2021-THPAB230},
abstract = {{Permanent magnet quadrupoles are ideal for strong focusing in compact footprints. Recent research in the use of permanent magnet based quadrupole magnets has enabled very high-gradient uses approaching 800T/m in final focus systems. However, in order to achieve high quality field profiles with strong fields, small diameter bore magnets must be used necessitating in vacuum operation, or very small beampipes. For small beampipe geometry, we have developed a hybrid-permanent magnet quadrupole, with steel and permanent magnet wedges, that is able to maintain high quality fields but also readily machinable in a separable design. The split design allows for accurate and reproducible reconfiguration on a beam pipe. In this paper, we will discuss the design, engineering, fabrication and first measurements of the split permanent magnet quadrupole.}},
}