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Detailed study of superfluorescence at a wavelength of 469 nm from helium ionised and excited using free-electron laser pulses
https://repo.qst.go.jp/records/74814
https://repo.qst.go.jp/records/74814bf0088a9-ebf8-41ef-bb36-36ca701990cb
Item type | 会議発表用資料 / Presentation(1) | |||||
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公開日 | 2019-03-19 | |||||
タイトル | ||||||
タイトル | Detailed study of superfluorescence at a wavelength of 469 nm from helium ionised and excited using free-electron laser pulses | |||||
言語 | ||||||
言語 | jpn | |||||
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 |
ハリーズ, ジェームズ
× ハリーズ, ジェームズ× Harries, James |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We have studied in detail the emission of superfluorescence at a wavelength of 469 nm (4p→3s) from helium ions created and excited using free-electron laser pulses from SACLA’s BL1. In earlier work we observed superfluorescence at visible wavelengths in neutral helium [1-5]. To observe superfluorescence from helium ions we used a wavelength of 24.3 nm, resonant with the He + 1s→4p transition and sufficiently short to ionise neutral helium atoms. The density of excited He + ions created by this sequential 2-photon absorption was sufficient to allow for the development of superfluoresence. |
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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 | 原子衝突学会第43回年会 | |||||
発表年月日 | ||||||
日付 | 2018-10-11 | |||||
日付タイプ | Issued |