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@inproceedings{liu:ipac2021-frxc04,
author = {Y. Liu and A.V. Aleksandrov and C.D. Long},
title = {{Time-Resolved H⁻ Beam Emittance Measurement at the SNS Linac Using a Laser Comb}},
booktitle = {Proc. IPAC'21},
pages = {4545--4547},
eid = {FRXC04},
language = {english},
keywords = {laser, emittance, neutron, diagnostics, beam-diagnostic},
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-FRXC04},
url = {https://jacow.org/ipac2021/papers/frxc04.pdf},
note = {https://doi.org/10.18429/JACoW-IPAC2021-FRXC04},
abstract = {{We proposed and demonstrated a novel technique to measure time-resolved transverse emittances of the hydrogen ion (H⁻) beam in a 1-GeV high-power accelerator. The measurement is performed in a non-intrusive manner by using laser comb - laser pulses with controllable multi-layer temporal structure generated from a fiber-based master laser oscillator and diode-pumped solid-state laser amplifiers. The technique has been applied to the transverse emittance measurement of 1-GeV H⁻ beam at the Spallation Neutron Source (SNS) high energy beam transport (HEBT). More than 20 time-resolved emittances have been simultaneously measured within a macro-pulse, a single mini-pulse, or a single bunch of the 1.4-MW neutron production H⁻ beam from one measurement.}},
}