Slice energy spread measurement in the low energy photoinjector

Houjun Qian; Mikhail Krasilnikov; Anusorn Lueangaramwong; Xiangkun Li; Osip Lishilin; Zakaria Aboulbanine; Gowri Adhikari; Namra Aftab; Prach Boonpornprasert; Georgi Georgiev; James Good; Matthias Gross; Christian Koschitzki; Raffael Niemczyk; Anne Oppelt; Guan Shu; Frank Stephan; Grygorii Vashchenko; Tobias Weilbach

doi:10.1103/PhysRevAccelBeams.25.083401

Slice energy spread measurement in the low energy photoinjector

Houjun Qian, Mikhail Krasilnikov, Anusorn Lueangaramwong, Xiangkun Li, Osip Lishilin, Zakaria Aboulbanine, Gowri Adhikari, Namra Aftab, Prach Boonpornprasert, Georgi Georgiev, James Good, Matthias Gross, Christian Koschitzki, Raffael Niemczyk, Anne Oppelt, Guan Shu, Frank Stephan, Grygorii Vashchenko, Tobias Weilbach

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

Slice energy spread is one of the key parameters in free electron laser optimizations, but its accurate measurement is not straightforward. Two recent studies from high energy (≥100 MeV) photoinjectors at SwissFEL and European x-ray free electron laser (XFEL) have reported much higher slice energy spread than expected at their XFEL working points (200-250 pC). In this paper, a new method for measuring slice energy spread at lower beam energy (∼20 MeV) is proposed and demonstrated at the PhotoInjector Test facility at DESY Zeuthen, and the results for 250 pC are much lower than those measured at high energy injectors.

Original language	English
Article number	083401
Journal	Physical Review Accelerators and Beams
Volume	25
Issue number	8
DOIs	https://doi.org/10.1103/PhysRevAccelBeams.25.083401
State	Published - Aug 2022
Externally published	Yes

Funding

The authors appreciate discussions with S. Tomin, I. Zagorodnov, E. Gjonaj, T. Limberg, and the other colleagues of the European XFEL beam dynamics team. This work was supported by the European XFEL research and development program.

Funders	Funder number
European XFEL

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10.1103/PhysRevAccelBeams.25.083401

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Qian, H., Krasilnikov, M., Lueangaramwong, A., Li, X., Lishilin, O., Aboulbanine, Z., Adhikari, G., Aftab, N., Boonpornprasert, P., Georgiev, G., Good, J., Gross, M., Koschitzki, C., Niemczyk, R., Oppelt, A., Shu, G., Stephan, F., Vashchenko, G., & Weilbach, T. (2022). Slice energy spread measurement in the low energy photoinjector. Physical Review Accelerators and Beams, 25(8), Article 083401. https://doi.org/10.1103/PhysRevAccelBeams.25.083401

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title = "Slice energy spread measurement in the low energy photoinjector",

abstract = "Slice energy spread is one of the key parameters in free electron laser optimizations, but its accurate measurement is not straightforward. Two recent studies from high energy (≥100 MeV) photoinjectors at SwissFEL and European x-ray free electron laser (XFEL) have reported much higher slice energy spread than expected at their XFEL working points (200-250 pC). In this paper, a new method for measuring slice energy spread at lower beam energy (∼20 MeV) is proposed and demonstrated at the PhotoInjector Test facility at DESY Zeuthen, and the results for 250 pC are much lower than those measured at high energy injectors.",

author = "Houjun Qian and Mikhail Krasilnikov and Anusorn Lueangaramwong and Xiangkun Li and Osip Lishilin and Zakaria Aboulbanine and Gowri Adhikari and Namra Aftab and Prach Boonpornprasert and Georgi Georgiev and James Good and Matthias Gross and Christian Koschitzki and Raffael Niemczyk and Anne Oppelt and Guan Shu and Frank Stephan and Grygorii Vashchenko and Tobias Weilbach",

note = "Publisher Copyright: {\textcopyright} 2022 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the {"}https://creativecommons.org/licenses/by/4.0/{"}Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.",

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Qian, H, Krasilnikov, M, Lueangaramwong, A, Li, X, Lishilin, O, Aboulbanine, Z, Adhikari, G, Aftab, N, Boonpornprasert, P, Georgiev, G, Good, J, Gross, M, Koschitzki, C, Niemczyk, R, Oppelt, A, Shu, G, Stephan, F, Vashchenko, G & Weilbach, T 2022, 'Slice energy spread measurement in the low energy photoinjector', Physical Review Accelerators and Beams, vol. 25, no. 8, 083401. https://doi.org/10.1103/PhysRevAccelBeams.25.083401

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AU - Qian, Houjun

AU - Krasilnikov, Mikhail

AU - Lueangaramwong, Anusorn

AU - Li, Xiangkun

AU - Lishilin, Osip

AU - Aboulbanine, Zakaria

AU - Adhikari, Gowri

AU - Aftab, Namra

AU - Boonpornprasert, Prach

AU - Georgiev, Georgi

AU - Good, James

AU - Gross, Matthias

AU - Koschitzki, Christian

AU - Niemczyk, Raffael

AU - Oppelt, Anne

AU - Shu, Guan

AU - Stephan, Frank

AU - Vashchenko, Grygorii

AU - Weilbach, Tobias

N1 - Publisher Copyright: © 2022 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the "https://creativecommons.org/licenses/by/4.0/"Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.

PY - 2022/8

Y1 - 2022/8

N2 - Slice energy spread is one of the key parameters in free electron laser optimizations, but its accurate measurement is not straightforward. Two recent studies from high energy (≥100 MeV) photoinjectors at SwissFEL and European x-ray free electron laser (XFEL) have reported much higher slice energy spread than expected at their XFEL working points (200-250 pC). In this paper, a new method for measuring slice energy spread at lower beam energy (∼20 MeV) is proposed and demonstrated at the PhotoInjector Test facility at DESY Zeuthen, and the results for 250 pC are much lower than those measured at high energy injectors.

AB - Slice energy spread is one of the key parameters in free electron laser optimizations, but its accurate measurement is not straightforward. Two recent studies from high energy (≥100 MeV) photoinjectors at SwissFEL and European x-ray free electron laser (XFEL) have reported much higher slice energy spread than expected at their XFEL working points (200-250 pC). In this paper, a new method for measuring slice energy spread at lower beam energy (∼20 MeV) is proposed and demonstrated at the PhotoInjector Test facility at DESY Zeuthen, and the results for 250 pC are much lower than those measured at high energy injectors.

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ER -

Slice energy spread measurement in the low energy photoinjector

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