WEKO3
アイテム
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FIHFP
https://repo.qst.go.jp/records/67774
https://repo.qst.go.jp/records/67774945e6e0a-5063-4c8c-a50b-ade734b10c84
Item type | 会議発表用資料 / Presentation(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2004-05-06 | |||||
タイトル | ||||||
タイトル | FIHFP | |||||
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_c94f | |||||
資源タイプ | conference object | |||||
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 |
Adachi, Masahiro
× Adachi, Masahiro× 阿達 正浩 |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | There have been some reports on electron acceleration in a plasma produced by an intense laser pulse shorter than 50 fs. Most of experiments were performed with a plasma of which electron density was ~1019 cm-3. We report electron acceleration experiment with higher density (~1020 cm-3) plasma produced by a 50-fs laser pulse. The experiment was performed with a 2-TW Ti:sapphire laser system. The center wavelength was 800 nm. The laser beam was focused on a surface of a nitrogen or helium supersonic gas jet. An intensity at a focal point was 5 1018 W cm-2. The maximum electron energy and the total number of electrons above 1MeV were 30 MeV and 10 pC per shot, respectively. A Hump in the electron energy spectrum was observed at 6 MeV. The maximum electron energy and the total charge become higher, as the electron density become higher and maximized at the density around 1020 cm-3. In a forward scattered light spectrum, a Stokes satellite peak was observed and we could estimate a plasma density where a plasma wave was excited as around 1020 cm-3. | |||||
会議概要(会議名, 開催地, 会期, 主催者等) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 高速点火レーザー相互作用国際会議 | |||||
発表年月日 | ||||||
日付 | 2004-04-29 | |||||
日付タイプ | Issued |