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@inproceedings{zhang:ipac2021-mopab245,
author = {C. Zhang and Y. Jiao and C.-Y. Tsai},
title = {{Theoretical Analysis of the Conditions for an Isochronous and CSR-Immune Triple-Bend Achromat with Stable Optics}},
booktitle = {Proc. IPAC'21},
pages = {786--789},
eid = {MOPAB245},
language = {english},
keywords = {emittance, dipole, optics, radiation, synchrotron-radiation},
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-MOPAB245},
url = {https://jacow.org/ipac2021/papers/mopab245.pdf},
note = {https://doi.org/10.18429/JACoW-IPAC2021-MOPAB245},
abstract = {{Transport of high-brightness beams with minimum degradation of the phase space quality is pursued in modern accelerators. For the beam transfer line which commonly consists of bending magnets, it would be desirable if the transfer line can be isochronous and coherent synchrotron radiation (CSR)-immune. For multi-pass transfer line, the achromatic cell designs with stable optics would bring great convenience. In this paper, based on the transfer matrix formalism and the CSR point-kick model, we report the detailed theoretical analysis and derive the condition for a triple-bend achromat with stable optics in which the first-order longitudinal dispersion (i.e., R56) and the CSR-induced emittance growth can be eliminated. The derived condition suggests a new way of designing the bending magnet beamline that can be applied to the free-electron laser (FEL) spreader and energy recovery linac (ERL) recirculation loop.}},
}