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The charge of injected\nelectrons is much larger than the normal scaling laws of LWFA in bubble regime. We\nalso got a quasi-mononeregetic electron beam with energy peaked at 249 MeV and\ncharge of 68 pC with the similar laser conditions but lower plasma density. As\nconfirmed by 2D particle-in-cell (PIC) simulations, the boosted bunch charge is due\nto the continuous injection caused by the self-steepening and self-compression of\nlaser pulse. 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Generation of 20 kA electron beam from a laser wakefield accelerator
https://repo.qst.go.jp/records/48030
https://repo.qst.go.jp/records/4803002433e68-c344-4d54-a261-ea3805f28aa6
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-06-06 | |||||
タイトル | ||||||
タイトル | Generation of 20 kA electron beam from a laser wakefield accelerator | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Y.F.Li
× Y.F.Li× D.Z.Li× ホァン, カイ× M.Z.Tao× M.H.Li× J.R.Zhao× Y.Ma× X.Guo× J.G.Wang× M.Chen× N.Hafz× J.Zhang× L.M.Chen× 黄 開 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We present the experimentally generated electron bunch from laser-wakefield acceleration (LWFA) with charge of 620 pC and maximum energy up to 0.6 GeV by irradiating 80 TW laser pulses at 3 mm Helium gas jet. The charge of injected electrons is much larger than the normal scaling laws of LWFA in bubble regime. We also got a quasi-mononeregetic electron beam with energy peaked at 249 MeV and charge of 68 pC with the similar laser conditions but lower plasma density. As confirmed by 2D particle-in-cell (PIC) simulations, the boosted bunch charge is due to the continuous injection caused by the self-steepening and self-compression of laser pulse. During the nonlinear evolution of laser pulse, the bubble structure broadens and stretches, leading to a longer dephasing length and larger beam charge. |
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書誌情報 |
Physics of Plasmas 巻 24, 号 2, p. 023108-1-023108-7, 発行日 2017-02 |
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出版者 | ||||||
出版者 | The American Institute of Physics | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1063/1.4975613 |