脉冲功率螺线管透镜聚焦处激光加速质子的三维声学监测

IF 5.2 1区物理与天体物理 Q1 OPTICS

High Power Laser Science and Engineering Pub Date : 2023-02-23 DOI:10.1017/hpl.2023.16

S. Gerlach, F. Balling, A. Schmidt, F. Brack, F. Kroll, J. Metzkes-Ng, M. Reimold, U. Schramm, M. Speicher, K. Zeil, K. Parodi, J. Schreiber

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引用次数: 1

摘要

摘要激光加速质子束聚焦在水中的布拉格峰发出的声脉冲，最近实现了质子束能量分布的重建。通过增加三个超声波换能器，并对过滤后的原始信号进行快速数据分析，I-BEAT(离子束能量声学追踪)3D技术现在可以实时提供单个束的平均束能量和绝对横向束位置。能量扩散和横向束束尺寸的相对变化也可以监测到。质子束能量在10 - 30mev之间的实验显示了亚MeV和亚mm的分辨率。除了这些三维束的信息外，信号强度还与束的绝对粒子数相关。

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Three-dimensional acoustic monitoring of laser-accelerated protons in the focus of a pulsed-power solenoid lens

Abstract The acoustic pulse emitted from the Bragg peak of a laser-accelerated proton bunch focused into water has recently enabled the reconstruction of the bunch energy distribution. By adding three ultrasonic transducers and implementing a fast data analysis of the filtered raw signals, I-BEAT (Ion-Bunch Energy Acoustic Tracing) 3D now provides the mean bunch energy and absolute lateral bunch position in real-time and for individual bunches. Relative changes in energy spread and lateral bunch size can also be monitored. Our experiments at DRACO with proton bunch energies between 10 and 30 MeV reveal sub-MeV and sub-mm resolution. In addition to this 3D bunch information, the signal strength correlates also with the absolute bunch particle number.

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来源期刊

High Power Laser Science and Engineering Physics and Astronomy-Nuclear and High Energy Physics

CiteScore

7.10

自引率

4.20%

发文量

401

审稿时长

21 weeks

期刊介绍： High Power Laser Science and Engineering (HPLaser) is an international, peer-reviewed open access journal which focuses on all aspects of high power laser science and engineering. HPLaser publishes research that seeks to uncover the underlying science and engineering in the fields of high energy density physics, high power lasers, advanced laser technology and applications and laser components. Topics covered include laser-plasma interaction, ultra-intense ultra-short pulse laser interaction with matter, attosecond physics, laser design, modelling and optimization, laser amplifiers, nonlinear optics, laser engineering, optical materials, optical devices, fiber lasers, diode-pumped solid state lasers and excimer lasers.