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Ultrahigh-contrast kilojoule-class petawatt LFEX laser using a plasma mirror
https://repo.qst.go.jp/records/48023
https://repo.qst.go.jp/records/480233441f960-127b-4c0e-9c00-8fb79f674e5a
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 | Ultrahigh-contrast kilojoule-class petawatt LFEX laser using a plasma mirror | |||||
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 |
Arikawa, Yasunobu
× Arikawa, Yasunobu× Kojima, Sadaoki× Morace, Alessio× Sakata, Shohei× Gawa, Takayuki× Taguchi, Yuki× Abe, Yuki× Zhang, Zhe× Vaisseau, Xavier× Ho, Lee Seung× Matsuo, Kazuki× Tosaki, Shota× Hata, Masayasu× Kawabata, Koji× Kawakami, Yuhei× Ishida, Masato× Tsuji, Koichi× Matsuo, Satoshi× Morio, Noboru× Kawasaki, Tetsuji× Tokita, Shigeki× Nakata, Yoshiki× Jitsuno, Takahisa× Miyanaga, Noriaki× Kawanaka, Junji× Nagatomo, Hideo× Yogo, Akifumi× Nakai, Mitsuo× Nishimura, Hiroaki× Shiraga, Hiroyuki× Fujioka, Shinsuke× Group, FIREX× Group, LFEX× Azechi, Hiroshi× Sunahara, Atsushi× Johzaki, Tomoyuki× Ozaki, Tetsuo× Sakagami, Hitoshi× Sagisaka, Akito× Ogura, Koichi× Pirozhkov, Alexander× Nishikino, Masaharu× Kondo, Kiminori× Inoue, Shunsuke× Teramoto, Kensuke× Hashida, Masaki× Sakabe, Shuji× 匂坂 明人× 小倉 浩一× ピロジコフ アレキサンダー× 錦野 将元× 近藤 公伯 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Laser pulse contrast exceeding 10^11 was demonstrated on a kilojoule-class petawatt laser for fast ignition experiments (LFEX) laser system [J. Phys. IV France 133, 81 (2006)] by implementing a 2 in. plasma mirror. Laser beams of up to 1.2 kJ striking the plasma mirror with a pulse duration of 1.5 ps were reflected and focused onto a target without significant distortions in the focal spot. Transmitted light from the plasma mirror reveals that it has a high reflectivity 2 ps before the main peak. The estimated laser pulse contrast at the target was 10^11 at 1 ns before the main peak. No preformed plasma was observed with optical interferometry diagnostics, but in the experiment without a plasma mirror a preplasma was clearly observed. The energetic proton was generated from a 0.1μm thick CH film showing excellent pulse contrast. This technique constitutes a promising method to enhance the LFEX laser system performance in fast ignition experiments. | |||||
書誌情報 |
Applied Optics 巻 55, 号 25, p. 6850-6857, 発行日 2016-09 |
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出版者 | ||||||
出版者 | Optical Society of America | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1364/AO.55.006850 |