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Plasma channel formation in the knife-like focus of laser beam
https://repo.qst.go.jp/records/80280
https://repo.qst.go.jp/records/80280ceb19f01-4861-4266-8785-5c92818799ed
| Item type | 学術雑誌論文 / Journal Article(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2020-08-04 | |||||
| タイトル | ||||||
| タイトル | Plasma channel formation in the knife-like focus of laser beam | |||||
| 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 |
G. Olkhovskaya , O.
× G. Olkhovskaya , O.× A. Bagdasarov , G.× A. Bobrova, N.× A. Gasilov , V.× V. N. Goncalves, L.× M. Lazzarini, C.× Nevrkla, M.× Grittani, G.× S. S. Bulanov× J. Gonsalves, A.× B. Schroeder, C.× Esarey, E.× P. Leemans, W.× V. Sasorov, P.× Bulanov, Sergey× Korn, G.× Bulanov, Sergey |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | The plasma channel formation in the focus of a knife-like nanosecond laser pulse irradiating a gas target is studied theoretically, and in gas-dynamics computer simulations. The distribution of the electromagnetic field in the focus region, obtained analytically, is used to calculate the energy deposition in the plasma, which then is implemented in the magnetohydrodynamic computer code. The modelling of the channel evolution shows that the plasma profile, which can guide the laser pulse, is formed by the tightly focused short knife-like lasers. The results of the simulations show that a proper choice of the convergence angle of a knife-like laser beam (determined by the focal length of the last cylindrical lens), and laser pulse duration may provide a sufficient degree of azimuthal symmetry of the formed plasma channel. | |||||
| 書誌情報 |
Journal of Plasma Physics 巻 86, 号 3, 発行日 2020-06 |
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| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 0022-3778 | |||||
| DOI | ||||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | 10.1017/S0022377820000458 | |||||
| 関連サイト | ||||||
| 識別子タイプ | URI | |||||
| 関連識別子 | https://www.cambridge.org/core/journals/journal-of-plasma-physics/article/plasma-channel-formation-in-the-knifelike-focus-of-laser-beam/C320972FAD4571F4325EF81E9E2A4C5D#fndtn-information | |||||
