Electron Rephasing in a Laser-Wakefield Accelerator

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題名:	Electron Rephasing in a Laser-Wakefield Accelerator
作者:	周紹暐;Guillaume, E.;Döpp, A.;Thaury, C.;Ta Phuoc, K.;Lifschitz, A.;Grittani, G.;Goddet, J.-P.;Tafzi, A.;Chou, S. W.;Veisz, L.;Malka, V.
貢獻者:	理學院物理學系
關鍵詞:	Accelerators;Beams (radiation);Deceleration;Density;Electron beams;Energy use;Gain;Physics;Placing;Plasma Physics
日期:	2015-10-07
上傳時間:	2026-04-23 11:52:44 (UTC+8)
出版者:	United States: American Physical Society (APS)
摘要:	摘要： An important limit for energy gain in laser-plasma wakefield accelerators is the dephasing length, after which the electron beam reaches the decelerating region of the wakefield and starts to decelerate. Here, we propose to manipulate the phase of the electron beam in the wakefield, in order to bring the beam back into the accelerating region, hence increasing the final beam energy. This rephasing is operated by placing an upward density step in the beam path. In a first experiment, we demonstrate the principle of this technique using a large energy spread electron beam. Then, we show that it can be used to increase the energy of monoenergetic electron beams by more than 50%. 其他題名： Phys Rev Lett 出版者： United States: American Physical Society (APS) 出版日期： 2015-10-09 出處： Physical Review Letters, 2015-10, Vol.115 (15), p.155002-155002, Article 155002 資源來源： American Physical Society Journals 版權： licence_http://creativecommons.org/publicdomain/zero 識別號： ISSN: 0031-9007 識別號： ISSN: 1079-7114 識別號： ISSN: 1092-0145 識別號： EISSN: 1079-7114 識別號： DOI: 10.1103/physrevlett.115.155002 識別號： PMID: 26550730
顯示於類別:	[物理學系] 期刊論文

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