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High-Flux Femtosecond X-Ray Emission from Controlled Generation of Annular Electron Beams in a Laser Wakefield Accelerator

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High-Flux Femtosecond X-Ray Emission from Controlled Generation of Annular Electron Beams in a Laser Wakefield Accelerator. / Zhao, T. Z.; Behm, K.; Dong, C. F.; Davoine, X.; Kalmykov, S. Y.; Petrov, V.; Chvykov, V.; Cummings, P.; Hou, B.; Maksimchuk, A.; Nees, J. A.; Yanovsky, V.; Thomas, A. G. R.; Krushelnick, K.

In: Physical review letters, Vol. 117, No. 9, 094801, 26.08.2016.

Research output: Contribution to journalJournal article

Harvard

Zhao, TZ, Behm, K, Dong, CF, Davoine, X, Kalmykov, SY, Petrov, V, Chvykov, V, Cummings, P, Hou, B, Maksimchuk, A, Nees, JA, Yanovsky, V, Thomas, AGR & Krushelnick, K 2016, 'High-Flux Femtosecond X-Ray Emission from Controlled Generation of Annular Electron Beams in a Laser Wakefield Accelerator', Physical review letters, vol. 117, no. 9, 094801. https://doi.org/10.1103/PhysRevLett.117.094801

APA

Zhao, T. Z., Behm, K., Dong, C. F., Davoine, X., Kalmykov, S. Y., Petrov, V., Chvykov, V., Cummings, P., Hou, B., Maksimchuk, A., Nees, J. A., Yanovsky, V., Thomas, A. G. R., & Krushelnick, K. (2016). High-Flux Femtosecond X-Ray Emission from Controlled Generation of Annular Electron Beams in a Laser Wakefield Accelerator. Physical review letters, 117(9), [094801]. https://doi.org/10.1103/PhysRevLett.117.094801

Vancouver

Zhao TZ, Behm K, Dong CF, Davoine X, Kalmykov SY, Petrov V et al. High-Flux Femtosecond X-Ray Emission from Controlled Generation of Annular Electron Beams in a Laser Wakefield Accelerator. Physical review letters. 2016 Aug 26;117(9). 094801. https://doi.org/10.1103/PhysRevLett.117.094801

Author

Zhao, T. Z. ; Behm, K. ; Dong, C. F. ; Davoine, X. ; Kalmykov, S. Y. ; Petrov, V. ; Chvykov, V. ; Cummings, P. ; Hou, B. ; Maksimchuk, A. ; Nees, J. A. ; Yanovsky, V. ; Thomas, A. G. R. ; Krushelnick, K. / High-Flux Femtosecond X-Ray Emission from Controlled Generation of Annular Electron Beams in a Laser Wakefield Accelerator. In: Physical review letters. 2016 ; Vol. 117, No. 9.

Bibtex

@article{2d32e3a8e7564a538cd683a0996f4256,
title = "High-Flux Femtosecond X-Ray Emission from Controlled Generation of Annular Electron Beams in a Laser Wakefield Accelerator",
abstract = "Annular quasimonoenergetic electron beams with a mean energy in the range 200-400 MeV and charge on the order of several picocoulombs were generated in a laser wakefield accelerator and subsequently accelerated using a plasma afterburner in a two-stage gas cell. Generation of these beams is associated with injection occurring on the density down ramp between the stages. This well-localized injection produces a bunch of electrons performing coherent betatron oscillations in the wakefield, resulting in a significant increase in the x-ray yield. Annular electron distributions are detected in 40% of shots under optimal conditions. Simultaneous control of the pulse duration and frequency chirp enables optimization of both the energy and the energy spread of the annular beam and boosts the radiant energy per unit charge by almost an order of magnitude. These well-defined annular distributions of electrons are a promising source of high-brightness laser plasma-based x rays.",
keywords = "PLASMA, REGIME",
author = "Zhao, {T. Z.} and K. Behm and Dong, {C. F.} and X. Davoine and Kalmykov, {S. Y.} and V. Petrov and V. Chvykov and P. Cummings and B. Hou and A. Maksimchuk and Nees, {J. A.} and V. Yanovsky and Thomas, {A. G. R.} and K. Krushelnick",
note = "{\textcopyright} 2016 American Physical Society",
year = "2016",
month = aug
day = "26",
doi = "10.1103/PhysRevLett.117.094801",
language = "English",
volume = "117",
journal = "Physical review letters",
issn = "1079-7114",
publisher = "American Physical Society",
number = "9",

}

RIS

TY - JOUR

T1 - High-Flux Femtosecond X-Ray Emission from Controlled Generation of Annular Electron Beams in a Laser Wakefield Accelerator

AU - Zhao, T. Z.

AU - Behm, K.

AU - Dong, C. F.

AU - Davoine, X.

AU - Kalmykov, S. Y.

AU - Petrov, V.

AU - Chvykov, V.

AU - Cummings, P.

AU - Hou, B.

AU - Maksimchuk, A.

AU - Nees, J. A.

AU - Yanovsky, V.

AU - Thomas, A. G. R.

AU - Krushelnick, K.

N1 - © 2016 American Physical Society

PY - 2016/8/26

Y1 - 2016/8/26

N2 - Annular quasimonoenergetic electron beams with a mean energy in the range 200-400 MeV and charge on the order of several picocoulombs were generated in a laser wakefield accelerator and subsequently accelerated using a plasma afterburner in a two-stage gas cell. Generation of these beams is associated with injection occurring on the density down ramp between the stages. This well-localized injection produces a bunch of electrons performing coherent betatron oscillations in the wakefield, resulting in a significant increase in the x-ray yield. Annular electron distributions are detected in 40% of shots under optimal conditions. Simultaneous control of the pulse duration and frequency chirp enables optimization of both the energy and the energy spread of the annular beam and boosts the radiant energy per unit charge by almost an order of magnitude. These well-defined annular distributions of electrons are a promising source of high-brightness laser plasma-based x rays.

AB - Annular quasimonoenergetic electron beams with a mean energy in the range 200-400 MeV and charge on the order of several picocoulombs were generated in a laser wakefield accelerator and subsequently accelerated using a plasma afterburner in a two-stage gas cell. Generation of these beams is associated with injection occurring on the density down ramp between the stages. This well-localized injection produces a bunch of electrons performing coherent betatron oscillations in the wakefield, resulting in a significant increase in the x-ray yield. Annular electron distributions are detected in 40% of shots under optimal conditions. Simultaneous control of the pulse duration and frequency chirp enables optimization of both the energy and the energy spread of the annular beam and boosts the radiant energy per unit charge by almost an order of magnitude. These well-defined annular distributions of electrons are a promising source of high-brightness laser plasma-based x rays.

KW - PLASMA

KW - REGIME

U2 - 10.1103/PhysRevLett.117.094801

DO - 10.1103/PhysRevLett.117.094801

M3 - Journal article

VL - 117

JO - Physical review letters

JF - Physical review letters

SN - 1079-7114

IS - 9

M1 - 094801

ER -