基于细胞内粒子模拟和深度学习的液体叶片靶TNSA实验建模

IF 1.1 4区 物理与天体物理 Q4 PHYSICS, APPLIED
B. Schmitz, Daniel Kreuter, O. Boine-Frankenheim
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引用次数: 1

摘要

液体叶片靶标显示出利用靶正常鞘层加速(TNSA)机制进行激光离子加速的高重复率靶标,目前正在开发中。在这项工作中,我们讨论了不同离子种类的影响,并研究了如何利用它们作为可能的激光驱动中子源。为了帮助这项研究,我们开发了一个基于人工神经网络的液体叶片靶激光离子加速实验的代理模型。该模型使用来自粒子池(PIC)模拟的数据进行训练。我们的深度学习模型的快速推理速度使我们能够优化实验参数,以获得最大的离子能量和激光能量转换效率。使用Sobol '和PAWN指数分析参数对模型输出的影响,为激光等离子体系统提供了更深入的了解。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Modeling of a Liquid Leaf Target TNSA Experiment Using Particle-In-Cell Simulations and Deep Learning
Liquid leaf targets show promise as high repetition rate targets for laser-based ion acceleration using the Target Normal Sheath Acceleration (TNSA) mechanism and are currently under development. In this work, we discuss the effects of different ion species and investigate how they can be leveraged for use as a possible laser-driven neutron source. To aid in this research, we develop a surrogate model for liquid leaf target laser-ion acceleration experiments, based on artificial neural networks. The model is trained using data from Particle-In-Cell (PIC) simulations. The fast inference speed of our deep learning model allows us to optimize experimental parameters for maximum ion energy and laser-energy conversion efficiency. An analysis of parameter influence on our model output, using Sobol’ and PAWN indices, provides deeper insights into the laser-plasma system.
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来源期刊
Laser and Particle Beams
Laser and Particle Beams PHYSICS, APPLIED-
CiteScore
1.90
自引率
11.10%
发文量
25
审稿时长
1 months
期刊介绍: Laser and Particle Beams is an international journal which deals with basic physics issues of intense laser and particle beams, and the interaction of these beams with matter. Research on pulse power technology associated with beam generation is also of strong interest. Subjects covered include the physics of high energy densities; non-LTE phenomena; hot dense matter and related atomic, plasma and hydrodynamic physics and astrophysics; intense sources of coherent radiation; high current particle accelerators; beam-wave interaction; and pulsed power technology.
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