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両極性パルス加速器によるパルス重イオンビーム発生とその特性

両極性パルス加速器によるパルス重イオンビーム発生とその特性

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カテゴリ: 論文誌(論文単位)

グループ名: 【A】基礎・材料・共通部門

発行日: 2015/03/01

タイトル(英語): Characteristics of Pulsed Heavy Ion Beam Generated in Bipolar Pulse Accelerator

著者名: 伊藤 弘昭(富山大学大学院理工学研究部),北島 一樹(富山大学大学院理工学研究部)

著者名(英語): Hiroaki Ito (Graduate School of Science and Engineering, University of Toyama), Kazuki Kitajima (Graduate School of Science and Engineering, University of Toyama)

キーワード: パルス重イオンビーム,パルスパワー,両極性パルス加速器,磁気絶縁ダイオード  pulsed ion beam,pulsed power technology,bipolar pulse accelerator,magnetically insulated diode

要約(英語): We have developed a new type of a pulsed ion beam accelerator named “bipolar pulse accelerator” for improvement of the purity of the intense pulsed ion beam. The system utilizes a magnetically insulated accelerate on gap and was operated with the bipolar pulse. A coaxial gas puff plasma gun was used as an ion source, which was placed inside of the grounded anode. Source plasma (nitrogen) of current density of ★30 A/cm2 and pulse duration of ★1.0μs was injected into the acceleration gap. When the bipolar pulse of -114 kV, 70 ns (1st pulse) and 85 kV, 62 ns (2nd pulse) was applied to the drift tube, the ions were successfully accelerated from the grounded anode to the drift tube in the 1st gap by the negative pulse of the bipolar pulse. The pulsed ion beam with current density of 60 A/cm2 and pulse duration of ★50 ns was obtained at 48 mm downstream from the anode surface. The energy spectrum of the ion beam was evaluated by a magnetic energy spectrometer. The ion energy was in reasonable good agreement with the acceleration voltage, i.e., 1st pulse (negative pulse) voltage of the bipolar pulse.

本誌: 電気学会論文誌A(基礎・材料・共通部門誌) Vol.135 No.3 (2015) 特集:パルス電磁エネルギーの先端技術への応用

本誌掲載ページ: 136-141 p

原稿種別: 論文/日本語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejfms/135/3/135_136/_article/-char/ja/

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