arXiv 1809.025462018-09-07physics.plasm-phphysics.ins-det

I-BEAT：单束团离子能量分布超声测量新方法

I-BEAT: New ultrasonic method for single bunch measurement of ion energy distribution

Daniel Haffa, Rong Yang, Jianhui Bin, Sebastian Lehrack, Florian-Emanuel Brack, Hao Ding, Franz Englbrecht, Ying Gao, Johannes Gebhard, Max Gilljohann, Johannes… 展开作者

Daniel Haffa, Rong Yang, Jianhui Bin, Sebastian Lehrack, Florian-Emanuel Brack, Hao Ding, Franz Englbrecht, Ying Gao, Johannes Gebhard, Max Gilljohann, Johannes Götzfried, Jens Hartmann, Sebastian Herr, Peter Hilz, Stephan D. Kraft, Christian Kreuzer, Florian Kroll, Florian H. Lindner, Josefine Metzkes, Tobias M. Ostermayr, Enrico Ridente, Thomas F. Rösch, Gregor Schilling, Hans-Peter Schlenvoigt, Martin Speicher, Derya Taray, Matthias Würl, Karl Zeil, Ulrich Schramm, Stefan Karsch, Katia Parodi, Paul R. Bolton, Walter Assmann, Jörg Schreiber

备注：: Paper: 17 Pages, 3 figures Supplementary Material 16 pages, 7 figures

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摘要：

在已知介质及其性质的情况下，波的形状携带着关于其源的空间和时间结构的所有信息。大多数现代成像方法寻求利用源自惠更斯原理的波的这种性质。我们讨论了检索完整的动能分布从记录时，短离子束沉积在水中的能量的声学痕迹。这种新的方法，我们称之为离子束能量声跟踪（I-BEAT），是一个推广的电离声方法。I-BEAT具有结构紧凑、操作简单、不易损坏、能量和强度动态范围大等特点，是满足拍瓦级激光离子加速器需求的一种很有前途的方法。凭借其完全监测单个聚焦质子束并迅速读出的能力，预计将对在高通量区域使用超短离子束的实验和应用产生特别的影响。我们证明了它的功能，使用它与两个激光驱动的离子源定量测定的动能分布的单一，集中的质子束。

英文摘要：

The shape of a wave carries all information about the spatial and temporal structure of its source, given that the medium and its properties are known. Most modern imaging methods seek to utilize this nature of waves originating from Huygens' principle. We discuss the retrieval of the complete kinetic energy distribution from the acoustic trace that is recorded when a short ion bunch deposits its energy in water. This novel method, which we refer to as Ion-Bunch Energy Acoustic Tracing (I-BEAT), is a generalization of the ionoacoustic approach. Featuring compactness, simple operation, indestructibility and high dynamic ranges in energy and intensity, I-BEAT is a promising approach to meet the needs of petawatt-class laser-based ion accelerators. With its capability of completely monitoring a single, focused proton bunch with prompt readout it, is expected to have particular impact for experiments and applications using ultrashort ion bunches in high flux regimes. We demonstrate its functionality using it with two laser-driven ion sources for quantitative determination of the kinetic energy distribution of single, focused proton bunches.

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