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@inproceedings{li:ipac2021-thpab079,
author = {W. Li and P. Liu and Y.K. Wu and J. Yan},
title = {{Design Study on Beam Size Measurement System Using SR Interferometry for Low Beam Current}},
booktitle = {Proc. IPAC'21},
pages = {3949--3952},
eid = {THPAB079},
language = {english},
keywords = {electron, synchrotron, radiation, synchrotron-radiation, storage-ring},
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-THPAB079},
url = {https://jacow.org/ipac2021/papers/thpab079.pdf},
note = {https://doi.org/10.18429/JACoW-IPAC2021-THPAB079},
abstract = {{To enable reliable measurements of the small vertical size of the electron beam in the Duke storage ring, a measurement system is being developed using synchrotron radiation interferometry (SRI). By relating the transverse beam size to the transverse spatial coherence of synchrotron radiation from a dipole magnet according to the Van Cittert-Zernike theorem, the transverse beam size can be inferred by recording and fitting the interference fringe as a function of the characteristic features of the interference filter used. In this paper, we describe the preliminary design of such a measurement system and present design considerations to make it possible to measure the electron beam vertical size for a wide range of electron beam energies and currents. Especially this system will be optimized to measure the electron beam size for low current operation down to 50 to 100~μA. This beam size measurement system will be used as an important beam diagnostic for the intrabeam scattering research at the Duke storage ring.}},
}