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@inproceedings{xu:ipac2021-tupab313,
author = {L. Xu and H.X. Deng and N. Huang and Q.M. Zhang},
title = {{Arrangement Optimization of Quadrupoles and Correctors for Beam Alignment}},
booktitle = {Proc. IPAC'21},
pages = {2221--2223},
eid = {TUPAB313},
language = {english},
keywords = {quadrupole, alignment, focusing, electron, FEL},
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-TUPAB313},
url = {https://jacow.org/ipac2021/papers/tupab313.pdf},
note = {https://doi.org/10.18429/JACoW-IPAC2021-TUPAB313},
abstract = {{In the X-ray free-electron laser (XFEL), the alignment and stability of beam orbit have a great impact on power and qualities of the generated X-ray pulses. Currently, the beam-based alignment (BBA) is the most widely used technique in beam alignment. In order to find the best arrangement of quadrupoles and correctors, a mathematical model is established based on the transmission matrix method. With this model, several simple arrangements of quadrupoles and correctors are selected to simulate the beam alignment process. It is found that when two correctors adjust two quadrupoles, the beam can pass through the center of quadrupoles approximately collimated.}},
}