Generation of high-energy electron beams from a plasma with a downward density transition
- Authors
- Suk, H.; Kim, G.H.; Kim, J.U.; Hahn, S.J.; Kim, C.; Kim, J.; Ko, I.S.
- Issue Date
- Feb-2002
- Publisher
- KOREAN PHYSICAL SOC
- Keywords
- electron beam; plasma; wake field; acceleration
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.40, no.2, pp 232 - 236
- Pages
- 5
- Journal Title
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY
- Volume
- 40
- Number
- 2
- Start Page
- 232
- End Page
- 236
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/25146
- ISSN
- 0374-4884
- Abstract
- A short intense laser beam or an electron beam generates a wake wave when it propagates in a plasma, and the wake wave produces an ultrastrong electric field (> 1GV/m). When such a wake field passes a sharply-downward density transition, a significant amount of background plasma electrons can be trapped and accelerated to a high energy by the wake field. According to particle-in-cell simulations, the quality of the trapped particles is fairly good for most applications. This kind of self-trapping-based internal injection scheme may be able to provide a new way to develop next generation table-top high-energy accelerators. In this paper, some detailed 2-dimensional simulation results are presented, and the planned experiments at the Center for Advanced Accelerators are introduced.
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