Preliminary results from the LMJ-PETAL experiment on hot electrons characterization in the context of shock ignition

被引：23

作者：

Baton, S. D. ^{[1
]}

Colaitis, A. ^{[2
]}

Rousseaux, C. ^{[3
]}

Boutoux, G. ^{[3
]}

Brygoo, S. ^{[3
]}

Jacquet, L. ^{[3
]}

Koenig, M. ^{[1
]}

Batani, D. ^{[2
]}

Casner, A. ^{[2
]}

Le Bel, E. ^{[2
,4
]}

Raffestin, D. ^{[2
]}

Tentori, A. ^{[2
]}

Tikhonchuk, V ^{[2
]}

Trela, J. ^{[2
]}

Reverdin, C. ^{[3
]}

Le-Deroff, L. ^{[4
]}

Theobald, W. ^{[6
]}

Cristoforetti, G. ^{[5
]}

Gizzi, L. A. ^{[5
]}

Koester, P. ^{[5
]}

Labate, L. ^{[5
]}

Shigemori, K. ^{[7
]}

机构：

[1] Sorbonne Univ, Lab Utilisat Lasers Intenses, LULL, CNRS,Ecole Polytech,CEA,UMR 7605, F-91128 Palaiseau, France

[2] Univ Bordeaux, Ctr Lasers Intenses & Applicat, CELIA, CNRS,CEA,UMR 5107, Talence, France

[3] CEA, DAM, DIF, F-91297 Arpajon, France

[4] CEA, DAM, CESTA, F-33114 Le Barp, France

[5] CNR, Intense Laser Irradiat Lab, INO, Pisa, Italy

[6] Univ Rochester, Lab Laser Energet, Rochester, NY 14623 USA

[7] Univ Osaka, Inst Laser Engn, Osaka 5650871, Japan

来源：

HIGH ENERGY DENSITY PHYSICS | 2020年 / 36卷

关键词：

Inertial confinement fusion; Shock ignition; Parametric instabilities; Hot electrons; INERTIAL-CONFINEMENT FUSION;

D O I：

10.1016/j.hedp.2020.100796

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

In the Shock Ignition scheme, the spike pulse intensity is well above the threshold of parametric instabilities, which produce a considerable amount of hot electrons that could be beneficial or detrimental to the ignition. To study their impact, an experiment has been carried out on the LMJ-PETAL facility with a goal to generate a strong shock inside a plastic layer under plasma conditions relevant to full-scale shock ignition targets. To evaluate the effect of hot electrons on the shock characteristics, laser temporal smoothing was either switched on or off, which in turns varies the quantity of hot electrons being generated. In this paper, we present preliminary results obtained during the experiment dedicated to the hot electron characterization. We present also calculations for the second part of the experiment, scheduled in 2020 and focused on the shock characterization.

引用

页数：7

共 6 条

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[2] Characterization of hot electrons generated by laser±plasma interaction at shock ignition intensities
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MATTER AND RADIATION AT EXTREMES, 2023, 8 (06)
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