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@inproceedings{xiang:ipac2021-wexc03,
author = {R. Xiang},
title = {{Review of Superconducting Radio Frequency Gun}},
booktitle = {Proc. IPAC'21},
pages = {2556--2561},
eid = {WEXC03},
language = {english},
keywords = {cathode, gun, SRF, cavity, operation},
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-WEXC03},
url = {https://jacow.org/ipac2021/papers/wexc03.pdf},
note = {https://doi.org/10.18429/JACoW-IPAC2021-WEXC03},
abstract = {{The success of proposed high power free-electron lasers (FELs) and energy recovery linac (ERL) largely depends on the development of the electron source, which requires the best beam quality and CW operation. An elegant way to realize this average brilliance is to combine the high beam quality of mature normal conducting radio frequency photoinjector with the quick developing superconducting radio frequency technology, to build superconducting rf photoinjectors (SRF guns). In last decade, several SRF gun programs based on different approaches have achieved promising progress, even succeeded in routine operation at BNL and HZDR [*,**]. In the near future SRF guns are expected to play an important role for hard X-ray FEL facilities. In this contribution, we will review the design concepts, parameters, and the status of the major SRF gun projects.}},
}