用于多 GeV 激光驱动电子加速的流体动力等离子体波导基准测试

IF 1.5 3区物理与天体物理 Q3 PHYSICS, NUCLEAR

Physical Review Accelerators and Beams Pub Date : 2024-08-14 DOI:10.1103/physrevaccelbeams.27.081302

B. Miao, E. Rockafellow, J. E. Shrock, S. W. Hancock, D. Gordon, H. M. Milchberg

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引用次数: 0

摘要

由光场电离引发的流体动力等离子体波导最近已成为多 GeV 激光汪场加速器的关键组成部分。在这里，我们介绍了迄今为止最完整、最精确的基于实验和模拟的表征，适用于当前的多 GeV 实验和未来的 100 GeV 级激光等离子体加速器。模拟的关键是正确模拟贝塞尔强光束与米级气体目标的相互作用，其结果被用作流体力学模拟的初始条件。模拟结果与我们利用双色短脉冲干涉测量法测量不断变化的等离子体和中性氢密度剖面的实验结果非常吻合，从而能够真实地确定导波模式结构，并将其应用于激光驱动等离子体加速器的设计。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Benchmarking of hydrodynamic plasma waveguides for multi-GeV laser-driven electron acceleration

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Benchmarking of hydrodynamic plasma waveguides for multi-GeV laser-driven electron acceleration

Hydrodynamic plasma waveguides initiated by optical field ionization have recently become a key component of multi-GeV laser wakefield accelerators. Here, we present the most complete and accurate experimental and simulation-based characterization to date, applicable to current multi-GeV experiments and future 100 GeV-scale laser plasma accelerators. Crucial to the simulations is the correct modeling of intense Bessel beam interaction with meter-scale gas targets, the results of which are used as initial conditions for hydrodynamic simulations. The simulations are in good agreement with our experiments measuring evolving plasma and neutral hydrogen density profiles using two-color short pulse interferometry, enabling realistic determination of the guided mode structure for application to laser-driven plasma accelerator design.

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来源期刊

Physical Review Accelerators and Beams Physics and Astronomy-Surfaces and Interfaces

CiteScore

3.90

自引率

23.50%

发文量

158

审稿时长

23 weeks

期刊介绍： Physical Review Special Topics - Accelerators and Beams (PRST-AB) is a peer-reviewed, purely electronic journal, distributed without charge to readers and funded by sponsors from national and international laboratories and other partners. The articles are published by the American Physical Society under the terms of the Creative Commons Attribution 3.0 License. It covers the full range of accelerator science and technology; subsystem and component technologies; beam dynamics; accelerator applications; and design, operation, and improvement of accelerators used in science and industry. This includes accelerators for high-energy and nuclear physics, synchrotron-radiation production, spallation neutron sources, medical therapy, and intense-beam applications.