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Kazuhisa Nakajima
초강력 레이저과학 연구단
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Generation of high quality electron beams from a quasi-phase-stable cascaded laser wakefield accelerator with density-tailored plasma segments

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Title
Generation of high quality electron beams from a quasi-phase-stable cascaded laser wakefield accelerator with density-tailored plasma segments
Author(s)
Zhijun Zhang; Jiansheng Liu; Wento Wang; Wentao Li; Chanhai Yu; Ye Tian; Rong Qi; Cheng Wang; Zhiyong Qin; Ming Fang; Jiaqi Liu; Kazuhisa Nakajima; Ruxin Li; Zhizhan Xu
Publication Date
2015-10
Journal
NEW JOURNAL OF PHYSICS, v.17, no.2015, pp.103011 -
Publisher
IOP PUBLISHING LTD
Abstract
By controlling electron injection into the second period of the laser-driven wakefield in a downward density ramp, a high-quality low-energy electron beam can be accelerated in a short segment of highdensity plasma. After a second downward density ramp followed by a low-density plasma plateau, the pre-accelerated electron beam can be seeded into the first period of the laser-driven wakefield for cascaded acceleration at an optimized phase. A monoenergetic electron beam with peak energy of .1.2 GeV can be generated from plasma with a length of 12mmand density of 9껻⊥껻1017 cm.3, driven by a laser pulse with peak power of 77 TW. By modifying the acceleration stage comprising several density-ascending plasma segments, the peak energy of the quasi-monoenergetic electron beam can be efficiently increased by about 50% via a quasi-phase-stable multiple-cascade acceleration scheme.
URI
http://pr.ibs.re.kr/handle/8788114/1866
DOI
10.1088/1367-2630/17/10/103011
ISSN
1367-2630
Appears in Collections:
Center for Relativistic Laser Science(초강력 레이저과학 연구단) > Journal Papers (저널논문)
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