Independent control of laser wakefield-accelerated electron-beam parameters

G. Golovin; S. Chen; N. Powers; C. Liu; S. Banerjee; J. Zhang; M. Zeng; Z. Sheng; D. Umstadter

doi:10.1117/12.2182707

Independent control of laser wakefield-accelerated electron-beam parameters

G. Golovin, S. Chen, N. Powers, C. Liu, S. Banerjee, J. Zhang, M. Zeng, Z. Sheng, D. Umstadter

Physics and Astronomy

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

By employing a pair of partially overlapped supersonic gas jets, we separated injection and acceleration stages of laser wakefield acceleration to produce stable, monoenergetic, and tunable electron beams. The first jet (injector) utilized a He/N₂ mixture and resulted in electrons injected into the wake via ionization-assisted injection. These electrons were then accelerated in the second jet (accelerator) using pure He. By changing length and plasma density of the accelerator jet, we were able to tune electron energy in the 50 - 300 MeV range with energy spread of 10-30% and 20 pC charge. Simulations show that the injection region is limited within the overlap of the jets.

Original language	English (US)
Title of host publication	Laser Acceleration of Electrons, Protons, and Ions III; and Medical Applications of Laser-Generated Beams of Particles III
Editors	Kenneth W. D. Ledingham, Eric H. Esarey, Paul McKenna, Carl B. Schroeder, Paul R. Bolton, Klaus Spohr, Florian J. Gruner
Publisher	SPIE
ISBN (Electronic)	9781628416350
DOIs	https://doi.org/10.1117/12.2182707
State	Published - 2015
Event	Laser Acceleration of Electrons, Protons, and Ions III; and Medical Applications of Laser-Generated Beams of Particles III - Prague, Czech Republic Duration: Apr 13 2015 → Apr 15 2015

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	9514
ISSN (Print)	0277-786X
ISSN (Electronic)	1996-756X

Other

Other	Laser Acceleration of Electrons, Protons, and Ions III; and Medical Applications of Laser-Generated Beams of Particles III
Country/Territory	Czech Republic
City	Prague
Period	4/13/15 → 4/15/15

Keywords

Acceleration
Ionization-assisted injection
Laser
Wakefield

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

Access to Document

10.1117/12.2182707

Cite this

Golovin, G., Chen, S., Powers, N., Liu, C., Banerjee, S., Zhang, J., Zeng, M., Sheng, Z., & Umstadter, D. (2015). Independent control of laser wakefield-accelerated electron-beam parameters. In K. W. D. Ledingham, E. H. Esarey, P. McKenna, C. B. Schroeder, P. R. Bolton, K. Spohr, & F. J. Gruner (Eds.), Laser Acceleration of Electrons, Protons, and Ions III; and Medical Applications of Laser-Generated Beams of Particles III [951405] (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 9514). SPIE. https://doi.org/10.1117/12.2182707

Independent control of laser wakefield-accelerated electron-beam parameters. / Golovin, G.; Chen, S.; Powers, N. et al.

Laser Acceleration of Electrons, Protons, and Ions III; and Medical Applications of Laser-Generated Beams of Particles III. ed. / Kenneth W. D. Ledingham; Eric H. Esarey; Paul McKenna; Carl B. Schroeder; Paul R. Bolton; Klaus Spohr; Florian J. Gruner. SPIE, 2015. 951405 (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 9514).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Golovin, G, Chen, S, Powers, N, Liu, C, Banerjee, S, Zhang, J, Zeng, M, Sheng, Z & Umstadter, D 2015, Independent control of laser wakefield-accelerated electron-beam parameters. in KWD Ledingham, EH Esarey, P McKenna, CB Schroeder, PR Bolton, K Spohr & FJ Gruner (eds), Laser Acceleration of Electrons, Protons, and Ions III; and Medical Applications of Laser-Generated Beams of Particles III., 951405, Proceedings of SPIE - The International Society for Optical Engineering, vol. 9514, SPIE, Laser Acceleration of Electrons, Protons, and Ions III; and Medical Applications of Laser-Generated Beams of Particles III, Prague, Czech Republic, 4/13/15. https://doi.org/10.1117/12.2182707

Golovin G, Chen S, Powers N, Liu C, Banerjee S, Zhang J et al. Independent control of laser wakefield-accelerated electron-beam parameters. In Ledingham KWD, Esarey EH, McKenna P, Schroeder CB, Bolton PR, Spohr K, Gruner FJ, editors, Laser Acceleration of Electrons, Protons, and Ions III; and Medical Applications of Laser-Generated Beams of Particles III. SPIE. 2015. 951405. (Proceedings of SPIE - The International Society for Optical Engineering). doi: 10.1117/12.2182707

Golovin, G. ; Chen, S. ; Powers, N. et al. / Independent control of laser wakefield-accelerated electron-beam parameters. Laser Acceleration of Electrons, Protons, and Ions III; and Medical Applications of Laser-Generated Beams of Particles III. editor / Kenneth W. D. Ledingham ; Eric H. Esarey ; Paul McKenna ; Carl B. Schroeder ; Paul R. Bolton ; Klaus Spohr ; Florian J. Gruner. SPIE, 2015. (Proceedings of SPIE - The International Society for Optical Engineering).

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abstract = "By employing a pair of partially overlapped supersonic gas jets, we separated injection and acceleration stages of laser wakefield acceleration to produce stable, monoenergetic, and tunable electron beams. The first jet (injector) utilized a He/N2 mixture and resulted in electrons injected into the wake via ionization-assisted injection. These electrons were then accelerated in the second jet (accelerator) using pure He. By changing length and plasma density of the accelerator jet, we were able to tune electron energy in the 50 - 300 MeV range with energy spread of 10-30% and 20 pC charge. Simulations show that the injection region is limited within the overlap of the jets.",

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AU - Sheng, Z.

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AB - By employing a pair of partially overlapped supersonic gas jets, we separated injection and acceleration stages of laser wakefield acceleration to produce stable, monoenergetic, and tunable electron beams. The first jet (injector) utilized a He/N2 mixture and resulted in electrons injected into the wake via ionization-assisted injection. These electrons were then accelerated in the second jet (accelerator) using pure He. By changing length and plasma density of the accelerator jet, we were able to tune electron energy in the 50 - 300 MeV range with energy spread of 10-30% and 20 pC charge. Simulations show that the injection region is limited within the overlap of the jets.

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Independent control of laser wakefield-accelerated electron-beam parameters

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Keywords

ASJC Scopus subject areas

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