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  1. 原著論文

Ion acceleration with an intense short-pulse laser and large-area suspended graphene in an extremely thin target regime

https://repo.qst.go.jp/records/2001141
https://repo.qst.go.jp/records/2001141
159fd666-f041-4ec2-b7e1-02f72da4976f
アイテムタイプ 学術雑誌論文 / Journal Article(1)
公開日 2025-07-24
タイトル
タイトル Ion acceleration with an intense short-pulse laser and large-area suspended graphene in an extremely thin target regime
言語 en
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
著者 Minami Takumi

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Minami Takumi

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Chu Che-Men

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Chu Che-Men

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McCusker Orla

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McCusker Orla

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Sakai Kentaro

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Sakai Kentaro

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Liao Yu-Tzu

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Liao Yu-Tzu

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Tamaki Naoya

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Tamaki Naoya

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Kondo Kotaro

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Kondo Kotaro

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Kiriyama Hiromitsu

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Kiriyama Hiromitsu

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Egashira Shunsuke

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Egashira Shunsuke

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Ota Masato

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Ota Masato

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Morace Alessio

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Morace Alessio

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Sakawa Youichi

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Sakawa Youichi

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Mariya Alkhimova

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Mariya Alkhimova

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Pikuz Tatiana

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Pikuz Tatiana

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Nikaido Fuka

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Nikaido Fuka

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Yasui Toshiharu

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Yasui Toshiharu

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Suzuki Soichiro

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Suzuki Soichiro

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Abe Yuki

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Abe Yuki

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Habara Hideaki

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Habara Hideaki

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Kumar Sudhan Harihara

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Kumar Sudhan Harihara

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Isayama Shogo

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Isayama Shogo

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Jao Chun-Sung

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Jao Chun-Sung

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Wu Kuan-Ting

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Wu Kuan-Ting

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Liu Yao-Li

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Liu Yao-Li

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McIlvenny Aodhan

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McIlvenny Aodhan

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Borghesi Marco

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Borghesi Marco

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Jinno Satoshi

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Jinno Satoshi

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Kanasaki Makoto

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Kanasaki Makoto

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Fukuda Yuji

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Fukuda Yuji

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Woon Wei-Yen

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Woon Wei-Yen

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Yasuhiro Kuramitsu

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Yasuhiro Kuramitsu

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抄録
内容記述タイプ Abstract
内容記述 Graphene is an atomic thin 2D material, known as the strongest material with such a thin regime. Free- standing, large-area suspended graphene (LSG) has been developed for a target of laser-driven ion acceleration. The LSG has shown remarkable durability against laser prepulse, producing MeV protons and carbons by direct irradiation with an intense laser without a plasma mirror, yet no optimization has been concerned. Here we investigate the optimization of the laser-driven ion acceleration with LSG, paying special attention to the target conditions. We irradiate nanometer-thick LSG with an intense laser, where the incident angle and the target thickness are controlled. The maximum proton energy increases with increasing the number of LSG layers, where 25 ± 0.3 MeV protons at maximum are consistently observed with Thomson parabola spectrometer and diamond-based detectors. For comparison purposes, we perform ideal numerical simulations using particle-in-cell (PIC) code without consideration of the prepulse. In the PIC simulation, the protons are successively accelerated by the electric field associated with laser radiation pressure and the surface sheath field, yet the maximum proton energies are overestimated. The maximum proton energies from the experiment asymptotically approach the ideal PIC expectations, indicating that the thinner LSG is more affected by the prepulse. We expect higher proton energy with the optimized LSG conditions and a plasma mirror.
書誌情報 High Energy Density Physics

巻 55, p. 101195, 発行日 2025-06
出版者
出版者 Elsevier
ISSN
収録物識別子タイプ ISSN
収録物識別子 1574-1818
DOI
識別子タイプ DOI
関連識別子 10.1016/j.hedp.2025.101195
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