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The interaction of relativistically intense lasers with opaque targets represents a highly non-linear, multi-dimensional parameter space. This limits the utility of sequential 1D scanning of experimental parameters for the optimisation of…

We demonstrate an ion acceleration scheme capable of simultaneously focusing and accelerating a multispecies ion beam with monoenergetic spectra to a few micron radius. The focal length and ion mean energy can be independently controlled:…

等离子体物理 · 物理学 2025-02-21 Jihoon Kim , Roopendra Rajawat , Tianhong Wang , Gennady Shvets

Optimizing laser and plasma parameters is crucial for enhancing accelerated proton energy in laser-driven proton acceleration with finite laser energy for applications such as cancer therapy. Tight focusing plays a significant role in…

等离子体物理 · 物理学 2026-04-10 Guanqi Qiu , Qianyi Ma , Deji Liu , Dongchi Cai , Zheng Gong , Yinren Shou , Jinqing Yu , Xueqing Yan

We investigate by particle-in-cell simulations in two and three dimensions the laser-plasma interaction and the proton acceleration in multilayer targets where a low density "near-critical" layer of a few micron thickness is added on the…

等离子体物理 · 物理学 2015-06-03 Andrea Sgattoni , Pasquale Londrillo , Andrea Macchi , Matteo Passoni

In the past two decades, laser-accelerated ion sources and their applications have been intensely researched. Recently, it has been shown through experiments that proton beams with characteristics comparable to those obtained with solid…

等离子体物理 · 物理学 2018-04-20 Dragos Tatomirescu , Daniel Vizman , Emmanuel d'Humières

In the effort of achieving high-energetic ion beams from the interaction of ultrashort laser pulses with a plasma, volumetric acceleration mechanisms beyond Target Normal Sheath Acceleration have gained attention. A relativisticly intense…

Ion acceleration driven by superintense laser pulses is attracting an impressive and steadily increasing effort. Motivations can be found in the potential for a number of foreseen applications and in the perspective to investigate novel…

等离子体物理 · 物理学 2015-06-15 Andrea Macchi , Marco Borghesi , Matteo Passoni

Laser-driven ion acceleration is an attractive technique for compact high-energy ion sources. Currently, among various physical and technical issues to be solved, the boost of ion energy and the reduction of energy spread represent the key…

等离子体物理 · 物理学 2022-07-19 Xing-Long Zhu , Wei-Yuan Liu , Min Chen , Su-Ming Weng , Paul McKenna , Zheng-Ming Sheng , Jie Zhang

Laser-driven ion acceleration provides ultra-short, high-charge, low-emittance beams, which are desirable for a wide range of high-impact applications. Yet after decades of research, a significant increase in maximum ion energy is still…

The essay gives an overview on researches in the field of laser ion acceleration, focusing on two types of targets. There are many types of targets while they can all be divided into targets that apply single ion or multiple ions. Mixed…

等离子体物理 · 物理学 2020-09-01 Jiafei Lyu , Rui Yang , Yu Yang

The development of ultra-intense laser-based sources of high energy ions is an important goal, with a variety of potential applications. One of the barriers to achieving this goal is the need to maximize the conversion efficiency from laser…

Ion beam has been used in cancer treatment, and has a unique preferable feature to deposit its main energy inside a human body so that cancer cell could be killed by the ion beam. However, conventional ion accelerator tends to be huge in…

This research demonstrates high-repetition-rate laser-accelerated ion beams via dual, intersecting, counterpropagating laser-driven blast waves to precisely shape underdense gas into long-lived near-critical density targets. The collision…

Laser ion acceleration is a promising concept for generation of fast ions using a compact laser-solid interaction setup. In this study, we theoretically investigate the feasibility of ion acceleration from the interaction of petawatt-scale…

等离子体物理 · 物理学 2022-01-19 K. V. Lezhnin , S. V. Bulanov

Ion beam analysis techniques are among the most powerful tools for advanced material characterization. Despite their growing relevance in a widening number of fields, most ion beam analysis facilities still rely on the oldest accelerator…

等离子体物理 · 物理学 2019-03-06 Matteo Passoni , Luca Fedeli , Francesco Mirani

A short overview of laser-plasma acceleration of ions is presented. The focus is on some recent experimental results and related theoretical work on advanced regimes. These latter include in particular target normal sheath acceleration…

等离子体物理 · 物理学 2014-03-13 A. Macchi , A. Sgattoni , S. Sinigardi , M. Borghesi , M. Passoni

We theoretically investigate high energy, collimated proton beam with three dimensional particle in cell simulations of ultrashort petawatt laser interaction with cryogenic hydrogen target of various shapes. Here we show that under…

等离子体物理 · 物理学 2018-01-23 A. Sharma , A. Huebl , A. Andreev

In the last two decades, the generation of intense ion beams based on laser-driven sources has become an extensively investigated field. The LIGHT collaboration combines a laserdriven intense ion source with conventional accelerator…

加速器物理 · 物理学 2018-12-26 D. Jahn , D. Schumacher , C. Brabetz , J. Ding , S. Weih , F. Kroll , F. -E. Brack , U. Schramm , A. Blazevic , M. Roth

Compact laser-plasma acceleration of fast ions has made great strides since its discovery over two decades ago, resulting in the current generation of high-energy ($\geq 100\,\rm MeV$) ultracold beams over ultrashort ($\leq 1\,\rm ps$)…

Laser-driven proton acceleration provides a powerful route for generating ultrashort, high-charge proton beams. Many applications, including secondary neutron sources and inertial fusion, benefit from tight proton beam focusing. Concave…

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