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@inproceedings{tang:ipac2021-thpab146,
author = {Zh.X. Tang and G. Feng and B.F. Wei},
title = {{Preliminary Study of Femtosecond Electron Source Based on THz Acceleration and Field Emission}},
booktitle = {Proc. IPAC'21},
pages = {4048--4049},
eid = {THPAB146},
language = {english},
keywords = {electron, cavity, FEM, cathode, gun},
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-THPAB146},
url = {https://jacow.org/ipac2021/papers/thpab146.pdf},
note = {https://doi.org/10.18429/JACoW-IPAC2021-THPAB146},
abstract = {{In this paper, we propose a novel electron gun based on THz acceleration and field emission to generate femtosecond electron bunches. The field emission cathode is placed in the center of the cavity, and the standing wave field is established in the cavity to achieve the field emission conditions and extract the electron beam. Because the period of THz band is about picosecond, the femtosecond bunch is formed by controlling the field strength and the pulse width of the extracted beam. We analyzed the feasibility of field emission and the length of the pulse beam. The surface peak field intensity of the structure of the cavity with different emitters are simulated by CST software.}},
}