Tunable Plasma-Based Energy Dechirper

R. D'Arcy; S. Wesch; A. Aschikhin; S. Bohlen; C. Behrens; M. J. Garland; L. Goldberg; P. Gonzalez; A. Knetsch; V. Libov; A. Martinez De La Ossa; M. Meisel; T. J. Mehrling; P. Niknejadi; K. Poder; J. H. Röckemann; L. Schaper; B. Schmidt; S. Schröder; C. Palmer; J. P. Schwinkendorf; B. Sheeran; M. J.V. Streeter; G. Tauscher; V. Wacker; J. Osterhoff

doi:10.1103/PhysRevLett.122.034801

Tunable Plasma-Based Energy Dechirper

R. D'Arcy, S. Wesch, A. Aschikhin, S. Bohlen, C. Behrens, M. J. Garland, L. Goldberg, P. Gonzalez, A. Knetsch, V. Libov, A. Martinez De La Ossa, M. Meisel, T. J. Mehrling, P. Niknejadi, K. Poder, J. H. Röckemann, L. Schaper, B. Schmidt, S. Schröder, C. PalmerJ. P. Schwinkendorf, B. Sheeran, M. J.V. Streeter, G. Tauscher, V. Wacker, J. Osterhoff

School of Mathematics and Physics

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61 Citations (Scopus)

Abstract

A tunable plasma-based energy dechirper has been developed at FLASHForward to remove the correlated energy spread of a 681 MeV electron bunch. Through the interaction of the bunch with wakefields excited in plasma the projected energy spread was reduced from a FWHM of 1.31% to 0.33% without reducing the stability of the incoming beam. The experimental results for variable plasma density are in good agreement with analytic predictions and three-dimensional simulations. The proof-of-principle dechirping strength of 1.8 GeV/mm/m significantly exceeds those demonstrated for competing state-of-the-art techniques and may be key to future plasma wakefield-based free-electron lasers and high energy physics facilities, where large intrinsic chirps need to be removed.

Original language	English
Article number	034801
Number of pages	6
Journal	Physical Review Letters
Volume	122
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevLett.122.034801
Publication status	Published - 24 Jan 2019

ASJC Scopus subject areas

General Physics and Astronomy

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D'Arcy, R., Wesch, S., Aschikhin, A., Bohlen, S., Behrens, C., Garland, M. J., Goldberg, L., Gonzalez, P., Knetsch, A., Libov, V., De La Ossa, A. M., Meisel, M., Mehrling, T. J., Niknejadi, P., Poder, K., Röckemann, J. H., Schaper, L., Schmidt, B., Schröder, S., ... Osterhoff, J. (2019). Tunable Plasma-Based Energy Dechirper. Physical Review Letters, 122(3), Article 034801. https://doi.org/10.1103/PhysRevLett.122.034801

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title = "Tunable Plasma-Based Energy Dechirper",

abstract = "A tunable plasma-based energy dechirper has been developed at FLASHForward to remove the correlated energy spread of a 681 MeV electron bunch. Through the interaction of the bunch with wakefields excited in plasma the projected energy spread was reduced from a FWHM of 1.31% to 0.33% without reducing the stability of the incoming beam. The experimental results for variable plasma density are in good agreement with analytic predictions and three-dimensional simulations. The proof-of-principle dechirping strength of 1.8 GeV/mm/m significantly exceeds those demonstrated for competing state-of-the-art techniques and may be key to future plasma wakefield-based free-electron lasers and high energy physics facilities, where large intrinsic chirps need to be removed.",

author = "R. D'Arcy and S. Wesch and A. Aschikhin and S. Bohlen and C. Behrens and Garland, {M. J.} and L. Goldberg and P. Gonzalez and A. Knetsch and V. Libov and {De La Ossa}, {A. Martinez} and M. Meisel and Mehrling, {T. J.} and P. Niknejadi and K. Poder and R{\"o}ckemann, {J. H.} and L. Schaper and B. Schmidt and S. Schr{\"o}der and C. Palmer and Schwinkendorf, {J. P.} and B. Sheeran and Streeter, {M. J.V.} and G. Tauscher and V. Wacker and J. Osterhoff",

year = "2019",

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D'Arcy, R, Wesch, S, Aschikhin, A, Bohlen, S, Behrens, C, Garland, MJ, Goldberg, L, Gonzalez, P, Knetsch, A, Libov, V, De La Ossa, AM, Meisel, M, Mehrling, TJ, Niknejadi, P, Poder, K, Röckemann, JH, Schaper, L, Schmidt, B, Schröder, S, Palmer, C, Schwinkendorf, JP, Sheeran, B, Streeter, MJV, Tauscher, G, Wacker, V & Osterhoff, J 2019, 'Tunable Plasma-Based Energy Dechirper', Physical Review Letters, vol. 122, no. 3, 034801. https://doi.org/10.1103/PhysRevLett.122.034801

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T1 - Tunable Plasma-Based Energy Dechirper

AU - D'Arcy, R.

AU - Wesch, S.

AU - Aschikhin, A.

AU - Bohlen, S.

AU - Behrens, C.

AU - Garland, M. J.

AU - Goldberg, L.

AU - Gonzalez, P.

AU - Knetsch, A.

AU - Libov, V.

AU - De La Ossa, A. Martinez

AU - Meisel, M.

AU - Mehrling, T. J.

AU - Niknejadi, P.

AU - Poder, K.

AU - Röckemann, J. H.

AU - Schaper, L.

AU - Schmidt, B.

AU - Schröder, S.

AU - Palmer, C.

AU - Schwinkendorf, J. P.

AU - Sheeran, B.

AU - Streeter, M. J.V.

AU - Tauscher, G.

AU - Wacker, V.

AU - Osterhoff, J.

PY - 2019/1/24

Y1 - 2019/1/24

N2 - A tunable plasma-based energy dechirper has been developed at FLASHForward to remove the correlated energy spread of a 681 MeV electron bunch. Through the interaction of the bunch with wakefields excited in plasma the projected energy spread was reduced from a FWHM of 1.31% to 0.33% without reducing the stability of the incoming beam. The experimental results for variable plasma density are in good agreement with analytic predictions and three-dimensional simulations. The proof-of-principle dechirping strength of 1.8 GeV/mm/m significantly exceeds those demonstrated for competing state-of-the-art techniques and may be key to future plasma wakefield-based free-electron lasers and high energy physics facilities, where large intrinsic chirps need to be removed.

AB - A tunable plasma-based energy dechirper has been developed at FLASHForward to remove the correlated energy spread of a 681 MeV electron bunch. Through the interaction of the bunch with wakefields excited in plasma the projected energy spread was reduced from a FWHM of 1.31% to 0.33% without reducing the stability of the incoming beam. The experimental results for variable plasma density are in good agreement with analytic predictions and three-dimensional simulations. The proof-of-principle dechirping strength of 1.8 GeV/mm/m significantly exceeds those demonstrated for competing state-of-the-art techniques and may be key to future plasma wakefield-based free-electron lasers and high energy physics facilities, where large intrinsic chirps need to be removed.

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VL - 122

JO - Physical Review Letters

JF - Physical Review Letters

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ER -

Tunable Plasma-Based Energy Dechirper

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Charlotte Palmer

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Tunable Plasma-Based Energy Dechirper

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Charlotte Palmer

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