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@inproceedings{friederich:ipac2021-wepab063,
author = {S. Friederich and K. Aulenbacher and C. Matejcek},
title = {{Status of the Polarized Source and Beam Preparation System at MESA}},
booktitle = {Proc. IPAC'21},
pages = {2736--2739},
eid = {WEPAB063},
language = {english},
keywords = {laser, electron, experiment, emittance, 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-WEPAB063},
url = {https://jacow.org/ipac2021/papers/wepab063.pdf},
note = {https://doi.org/10.18429/JACoW-IPAC2021-WEPAB063},
abstract = {{The MESA Low-energy Beam Apparatus (MELBA) connects the DC photoemission source STEAM with the injector accelerator MAMBO. MELBA is capable of adjusting the longitudinal phase space for the requirements of the pre-acceleration by using a chopper and buncher while providing small transverse emittances. Measurements of the transverse phase space and longitudinal beam dimension taken at a test setup are presented. These results serve now for further improvements, e.g design changes in our corrector magnets. In addition, the revised MELBA will include two Wien filters and a solenoid for spin manipulation. A double scattering Mott polarimeter for spin diagnostics and a second source for the extraction of high bunch charges is foreseen using a branched off beam line. RF-synchronized laser diodes will be used with infrared wavelength as a driver for the spin-polarized photoemission. In this report we present the latest layout of MELBA and simulation results.}},
}