Control of tunable, monoenergetic laser-plasma-accelerated electron beams using a shock-induced density downramp injector

Swanson, K. K.; Tsai, H. -E.; Barber, S. K.; Lehe, R.; Mao, H. -S.; Steinke, S.; van Tilborg, J.; Nakamura, K.; Geddes, C. G. R.; Schroeder, C. B.; Esarey, E.; Leemans, W. P.

doi:10.1103/PhysRevAccelBeams.20.051301

Title: Control of tunable, monoenergetic laser-plasma-accelerated electron beams using a shock-induced density downramp injector

Journal Article · Tue May 30 00:00:00 EDT 2017 · Physical Review Accelerators and Beams

DOI:https://doi.org/10.1103/PhysRevAccelBeams.20.051301· OSTI ID:1360864

Swanson, K. K.; Tsai, H. -E.; Barber, S. K.; Lehe, R.; Mao, H. -S.; Steinke, S.; van Tilborg, J.; Nakamura, K.; Geddes, C. G. R.; Schroeder, C. B.; Esarey, E.; Leemans, W. P.

Control of the properties of laser-plasma-accelerated electron beams that were injected along a shock-induced density downramp through precision tailoring of the density profile was demonstrated using a 1.8 J, 45 fs laser interacting with a mm-scale gas jet. The effects on the beam spatial profile, steering, and absolute energy spread of the density region before the shock and tilt of the shock were investigated experimentally and with particle-in-cell simulations. By adjusting these density parameters, the electron beam quality was controlled and improved while the energy (30-180 MeV) and energy spread (2-11 MeV) were independently tuned. Simple models that are in good agreement with the experimental results are proposed to explain these relationships, advancing the understanding of downramp injection. In conclusion, this technique allows for high-quality electron beams with percent-level energy spread to be tailored based on the application.

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Research Organization:: Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), High Energy Physics (HEP)

Grant/Contract Number:: AC02-05CH11231

OSTI ID:: 1360864

Alternate ID(s):: OSTI ID: 1440952

Journal Information:: Physical Review Accelerators and Beams, Journal Name: Physical Review Accelerators and Beams Vol. 20 Journal Issue: 5; ISSN 2469-9888

Publisher:: American Physical SocietyCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 34 works

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Dual-energy electron beams from a compact laser-driven accelerator Wenz, J.; Döpp, A.; Khrennikov, K. Nature Photonics, Vol. 13, Issue 4 https://doi.org/10.1038/s41566-019-0356-z	journal	February 2019
Comparative study of active plasma lenses in high-quality electron accelerator transport lines van Tilborg, J.; Barber, S. K.; Benedetti, C. Physics of Plasmas, Vol. 25, Issue 5 https://doi.org/10.1063/1.5018001	journal	May 2018
Control of quasi-monoenergetic electron beams from laser-plasma accelerators with adjustable shock density profile Tsai, Hai-En; Swanson, Kelly K.; Barber, Sam K. Physics of Plasmas, Vol. 25, Issue 4 https://doi.org/10.1063/1.5023694	journal	April 2018
Improved performance of laser wakefield acceleration by tailored self-truncated ionization injection Irman, A.; Couperus, J. P.; Debus, A. Plasma Physics and Controlled Fusion, Vol. 60, Issue 4 https://doi.org/10.1088/1361-6587/aaaef1	journal	March 2018
Parametric emittance measurements of electron beams produced by a laser plasma accelerator Barber, S. K.; Tilborg, J. van; Schroeder, C. B. Plasma Physics and Controlled Fusion, Vol. 60, Issue 5 https://doi.org/10.1088/1361-6587/aab6cd	journal	April 2018
Sharp plasma pinnacle structure based on shockwave for an improved laser wakefield accelerator Fang, Ming; Zhang, Zhijun; Wang, Wentao Plasma Physics and Controlled Fusion, Vol. 60, Issue 7 https://doi.org/10.1088/1361-6587/aac239	journal	May 2018
Effect of fluctuations in the down ramp plasma source profile on the emittance and current profile of the self-injected beam in a plasma wakefield accelerator Zhang, C.; Huang, C. -K.; Marsh, K. A. Physical Review Accelerators and Beams, Vol. 22, Issue 11 https://doi.org/10.1103/physrevaccelbeams.22.111301	journal	November 2019
Real-Time Tomography of Gas-Jets with a Wollaston Interferometer Adelmann, Andreas; Hermann, Benedikt; Ischebeck, Rasmus Applied Sciences, Vol. 8, Issue 3 https://doi.org/10.3390/app8030443	journal	March 2018

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