A Platform for Laser-Driven Ion Sources Generated with Nanosecond Laser Pulses in the Intensity Range of 1013–1015 W/cm2

IF 1.3 Q3 INSTRUMENTS & INSTRUMENTATION Quantum Beam Science Pub Date : 2024-01-10 DOI:10.3390/qubs8010005

L. Giuffrida, V. Istokskaia, A. Picciotto, V. Kantarelou, M. Barozzi, R. Dell`Anna, M. Divoký, O. Denk, D. Giubertoni, F. Grepl, A. Hadjikyriacou, M. Hanus, J. Krása, M. Kucharik, T. Levato, P. Navratil, J. Pilar, F. Schillaci, S. Stanček, M. Tosca, M. Tryus, A. Velyhan, A. Lucianetti, T. Mocek, D. Margarone

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Abstract

An experimental platform for laser-driven ion (sub-MeV) acceleration and potential applications was commissioned at the HiLASE laser facility. The auxiliary beam of the Bivoj laser system operating at a GW level peak power (~10 J in 5–10 ns) and 1–10 Hz repetition rate enabled a stable production of high-current ion beams of multiple species (Al, Ti, Fe, Si, Cu, and Sn). The produced laser–plasma ion sources were fully characterized against the laser intensity on the target (1013–1015 W/cm2) by varying the laser energy, focal spot size, and pulse duration. The versatility and tuneability of such high-repetition-rate laser–plasma ion sources are of potential interest for user applications. Such a statistically accurate study was facilitated by the large amount of data acquired at the high repetition rate (1–10 Hz) provided by the Bivoj laser system.

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用强度范围为 1013-1015 W/cm2 的纳秒激光脉冲产生激光驱动离子源的平台

一个用于激光驱动离子（亚兆电子伏）加速和潜在应用的实验平台在 HiLASE 激光设施投入使用。Bivoj 激光系统的辅助光束以 GW 级的峰值功率（5-10 ns 内约 10 J）和 1-10 Hz 的重复率运行，能够稳定地产生多种类（Al、Ti、Fe、Si、Cu 和 Sn）的大电流离子束。通过改变激光能量、焦斑大小和脉冲持续时间，所产生的激光等离子体离子源在目标上的激光强度（1013-1015 W/cm2）方面得到了充分表征。这种高重复率激光等离子体离子源的多功能性和可调性对用户应用具有潜在的意义。Bivoj 激光系统提供的高重复率（1-10 Hz）所获取的大量数据有助于进行精确的统计研究。

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