Tunable monoenergetic electron beams from independently controllable laser-wakefield acceleration and injection

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

doi:10.1103/PhysRevSTAB.18.011301

Tunable monoenergetic electron beams from independently controllable laser-wakefield acceleration and injection

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

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

48 Scopus citations

Abstract

We report the results of experiments on laser-wakefield acceleration in a novel two-stage gas target with independently adjustable density and atomic-composition profiles. We were able to tailor these profiles in a way that led to the separation of the processes of electron injection and acceleration and permitted independent control of both. This resulted in the generation of stable, quasimonoenergetic electron beams with central energy tunable in 50-300 MeV range. For the first time, we are able to independently control the beam charge and energy spread over the entire tunability range.

Original language	English (US)
Article number	011301
Journal	Physical Review Special Topics - Accelerators and Beams
Volume	18
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevSTAB.18.011301
State	Published - Jan 5 2015
Externally published	Yes

ASJC Scopus subject areas

Nuclear and High Energy Physics
Physics and Astronomy (miscellaneous)
Surfaces and Interfaces

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10.1103/PhysRevSTAB.18.011301

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abstract = "We report the results of experiments on laser-wakefield acceleration in a novel two-stage gas target with independently adjustable density and atomic-composition profiles. We were able to tailor these profiles in a way that led to the separation of the processes of electron injection and acceleration and permitted independent control of both. This resulted in the generation of stable, quasimonoenergetic electron beams with central energy tunable in 50-300 MeV range. For the first time, we are able to independently control the beam charge and energy spread over the entire tunability range.",

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AU - Golovin, G.

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AU - Banerjee, S.

AU - Zhang, J.

AU - Zeng, M.

AU - Sheng, Z.

AU - Umstadter, D.

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AB - We report the results of experiments on laser-wakefield acceleration in a novel two-stage gas target with independently adjustable density and atomic-composition profiles. We were able to tailor these profiles in a way that led to the separation of the processes of electron injection and acceleration and permitted independent control of both. This resulted in the generation of stable, quasimonoenergetic electron beams with central energy tunable in 50-300 MeV range. For the first time, we are able to independently control the beam charge and energy spread over the entire tunability range.

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Tunable monoenergetic electron beams from independently controllable laser-wakefield acceleration and injection

Abstract

ASJC Scopus subject areas

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