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@inproceedings{kostin:ipac2021-tupab167,
author = {R.A. Kostin and P.V. Avrakhov and C. Jing and A. Liu and Y. Zhao},
title = {{Status of Conduction Cooled SRF Photogun for UEM/UED}},
booktitle = {Proc. IPAC'21},
pages = {1773--1776},
eid = {TUPAB167},
language = {english},
keywords = {gun, SRF, cavity, cryomodule, shielding},
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-TUPAB167},
url = {https://jacow.org/ipac2021/papers/tupab167.pdf},
note = {https://doi.org/10.18429/JACoW-IPAC2021-TUPAB167},
abstract = {{Benefiting from the rapid progress on RF photogun technologies in the past two decades, the development of MeV range ultrafast electron diffraction/microscopy (UED and UEM) has been identified as an enabling instrumentation. UEM or UED use low power electron beams with modest energies of a few MeV to study ultrafast phenomena in a variety of novel and exotic materials. SRF photoguns become a promising candidate to produce highly stable electrons for UEM/UED applications because of the ultrahigh shot-to-shot stability compared to room temperature RF photoguns. SRF technology was prohibitively expensive for industrial use until two recent advancements: Nb₃Sn and conduction cooling. The use of Nb₃Sn allows to operate SRF cavities at higher temperatures (4K) with low power dissipation which is within the reach of commercially available closed-cycle cryocoolers. Euclid is developing a continuous wave (CW), 1.5-cell, MeV-scale SRF conduction cooled photogun operating at 1.3 GHz. In this paper, the technical details of the design and first experimental data are presented.}},
}