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Experimental investigation of fast electron transport through Kα imaging and spectroscopy in relativistic laser–solid interactions

P Köster, K Akli, D Batani, S Baton, R G Evans, A Giulietti, D Giulietti, L A Gizzi, J S Green, M Koenig2009年Plasma Physics and Controlled FusionIF 2.2出版社

We report on experimental fast electron transport studies performed in the relativistic laser intensity interaction regime. The investigation has been carried out in the long-pulse (0.6 ps) regime relevant for the fast ignitor scheme in the inertial confinement fusion concept.Multilayer targets containing different materials were irradiated. Here we show the results concerning SiO2 or Al layers, respectively. The Kα radiation from a Cu tracer layer on the target rear side was found to be enhanced by a factor of about 8 with the irradiation of SiO2 targets with respect to the Al targets. The possible origin of this observation is discussed.

日本語訳

我々は、相対論的レーザー強度相互作用領域において実施された実験的な高速電子輸送研究について報告する。この調査は、慣性核融合概念における高速点火方式に関連する長パルス(0.6 ps)領域で実施された。異なる材料を含む多層ターゲットが照射された。ここでは、SiO2層またはAl層に関する結果をそれぞれ示す。ターゲット裏面のCuトレーサー層からのKα放射は、Alターゲットと比較してSiO2ターゲットの照射により約8倍増強されることが見出された。この観察結果の考えられる起源について議論する。

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Fusion Advanced Studies TorusElectron transportRelativistic laser
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