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@inproceedings{andonian:ipac2021-mopab139,
author = {G. Andonian and T.J. Campese and M.G. Fedurin and I.I. Gadjev and C.C. Hall and K. Kusche and M. Ruelas and X. Yang and Y. Zhu},
% author = {G. Andonian and T.J. Campese and M.G. Fedurin and I.I. Gadjev and C.C. Hall and K. Kusche and others},
% author = {G. Andonian and others},
title = {{High Resolution Imaging Design Using Permanent Magnet Quadrupoles at BNL UEM}},
booktitle = {Proc. IPAC'21},
pages = {485--488},
eid = {MOPAB139},
language = {english},
keywords = {experiment, electron, focusing, quadrupole, target},
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-MOPAB139},
url = {https://jacow.org/ipac2021/papers/mopab139.pdf},
note = {https://doi.org/10.18429/JACoW-IPAC2021-MOPAB139},
abstract = {{Ultrafast electron microscopy techniques have demonstrated the potential to reach very high combined spatio-temporal resolution. In order to achieve high resolution, strong focusing magnets must be used as the objective and projector lenses. In this paper, we discuss the design and development of a high-resolution objective lens for use in the BNL UEM. The objective lens is a quintuplet array of permanent magnet quadrupoles, which in sum, provide symmetric focusing, high magnification, and control of higher order aberration terms. The application and design for a proof-of-concept experiment using a calibrated slit for imaging are presented. The image resolution is monitored as a function of beam parameters (energy, energy spread, charge, bunch length, spot size), and quintuplet lens parameters (drifts between lenses).}},
}