WEKO3
アイテム
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Temporal characterization of laser driven ultrafast electron bunches via electro-optic sampling
https://repo.qst.go.jp/records/83834
https://repo.qst.go.jp/records/8383420dc0cf0-e237-4cb7-8fcc-15f27f99e89a
Item type | 会議発表用資料 / Presentation(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2021-11-18 | |||||
タイトル | ||||||
タイトル | Temporal characterization of laser driven ultrafast electron bunches via electro-optic sampling | |||||
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 |
HUANG, KAI
× HUANG, KAI× Hideyuki, Kotaki× Michiaki, Mori× Timur, Esirkepov× Kevin Koga, James× Yukio, Hayashi× Nobuhiko, Nakanii× Jin, Zhan× Tomonao, Hosokai× Masaki, Kando× HUANG, KAI× Hideyuki, Kotaki× Michiaki, Mori× Timur, Esirkepov× Kevin Koga, James× Yukio, Hayashi× Nobuhiko, Nakanii× Jin, Zhan× Tomonao, Hosokai× Masaki, Kando |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | High power laser-driven electron sources [1,2], with their inherent ultrafast character, are considered to have potentials for applications in fast ignition [3], pump-probe study [4], and the construction of a table-top x-ray free-electron laser (XFEL) [5]. For such applications, the timing jitter and the bunch duration of the electron bunches are important parameters that are barely investigated experimentally. We established electro-optic sampling techniques [6] adequate for the diagnostics of electron temporal information in laser wakefield acceleration (LWFA) [2]. For the investigation of electron timing jitter and injection process, electro-optic spatial decoding (EOSD) on the electron Coulomb field was performed. The spherical wavefront of the Coulomb field and plasma-density-dependent electron emission timing were discovered [7,8,9]. For the determination of electron bunch durations, EOSD on the coherent transition radiation (CTR) produced when electrons passing through a metal foil was conducted. An electron beam peak current up to 10 kA was demonstrated. This research not only showed the capability of EO sampling serving as a real-time electron temporal diagnostic for laser-driven sources but also demonstrated the ultra-fast and high-brightness nature of laser-driven electron sources for various applications. |
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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 | The 30th International Toki Conference on Plasma and Fusion Research | |||||
発表年月日 | ||||||
日付 | 2021-11-19 | |||||
日付タイプ | Issued |