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초강력 레이저 과학 연구단
초강력 레이저과학 연구단
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Enhancement of electron energy to the multi-gev regime by a dual-stage laser-wakefield accelerator pumped by petawatt laser pulses Highly Cited Paper

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Title
Enhancement of electron energy to the multi-gev regime by a dual-stage laser-wakefield accelerator pumped by petawatt laser pulses
Author(s)
Hyung Taek Kim; Pae K.H.; Cha H.J.; I Jong Kim; Tae Jun Yu; Jae Hee Sung; Seong Ku Lee; Tae Moon Jeong; Lee J.
Publication Date
2013-10
Journal
PHYSICAL REVIEW LETTERS, v.111, no.16, pp.165002-1 - 165002-5
Publisher
AMER PHYSICAL SOC
Abstract
Laser-wakefield acceleration offers the promise of a compact electron accelerator for generating a multi-GeV electron beam using the huge field gradient induced by an intense laser pulse, compared to conventional rf accelerators. However, the energy and quality of the electron beam from the laser-wakefield accelerator have been limited by the power of the driving laser pulses and interaction properties in the target medium. Recent progress in laser technology has resulted in the realization of a petawatt (PW) femtosecond laser, which offers new capabilities for research on laser-wakefield acceleration. Here, we present a significant increase in laser-driven electron energy to the multi-GeV level by utilizing a 30-fs, 1-PW laser system. In particular, a dual-stage laser-wakefield acceleration scheme (injector and accelerator scheme) was applied to boost electron energies to over 3 GeV with a single PW laser pulse. Three-dimensional particle-in-cell simulations corroborate the multi-GeV electron generation from the dual-stage laser-wakefield accelerator driven by PW laser pulses. © 2013 American Physical Society.
URI
http://pr.ibs.re.kr/handle/8788114/1230
DOI
10.1103/PhysRevLett.111.165002
ISSN
0031-9007
Appears in Collections:
Center for Relativistic Laser Science(초강력 레이저과학 연구단) > Journal Papers (저널논문)
Files in This Item:
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