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Towards laser ion acceleration with holed targets
https://repo.qst.go.jp/records/80275
https://repo.qst.go.jp/records/8027513add433-41ba-4349-943f-ce34b89eea16
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-08-04 | |||||
タイトル | ||||||
タイトル | Towards laser ion acceleration with holed targets | |||||
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 |
Hadjisolomou, Prokopis
× Hadjisolomou, Prokopis× Bulanov× Korn, G.× Bulanov, Sergey |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Although the interaction of a flat foil with currently available laser intensities is now considered a routine process, during the last decade, emphasis has been given to targets with complex geometries aiming at increasing the ion energy. This work presents a target geometry where two symmetric side holes and a central hole are drilled into the foil. A study of the various side-hole and central-hole length combinations is performed with two-dimensional particle-in-cell simulations for polyethylene targets and a laser intensity of . The holed targets show a remarkable increase of the conversion efficiency, which corresponds to a different target configuration for electrons, protons and carbon ions. Furthermore, diffraction of the laser pulse leads to a directional high energy electron beam, with a temperature of , or seven times higher than in the case of a flat foil. The higher conversion efficiency consequently leads to a significant enhancement of the maximum proton energy from holed targets. | |||||
書誌情報 |
Journal of Plasma Physics 巻 86, 号 3, 発行日 2020-05 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0022-3778 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1017/S0022377820000379 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.cambridge.org/core/journals/journal-of-plasma-physics/article/towards-laser-ion-acceleration-with-holed-targets/F009D11B07477AE83E857D50B1D60DB0 |