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The laser-driven acceleration of high quality proton beams from a double-layer target, comprised of a high-Z ion layer and a thin disk of hydrogen, is investigated with three-dimensional particle-in-cell simulations in the case of oblique…

Plasma Physics · Physics 2008-11-26 T. Morita , T. Zh. Esirkepov , S. V. Bulanov , J. Koga , M. Yamagiwa

The term beta-beam has been coined for the production of a pure beam of electron neutrinos or their antiparticles through the decay of radioactive ions circulating in a storage ring. This concept requires radioactive ions to be accelerated…

The electromagnetic radiation pressure becomes dominant in the interaction of the ultra-intense electromagnetic wave with a solid material, thus the wave energy can be transformed efficiently into the energy of ions representing the…

Plasma Physics · Physics 2007-05-23 T. Esirkepov , M. Borghesi , S. V. Bulanov , G. Mourou , T. Tajima

Demonstrating that despite loss processes, Bose-Einstein condensates can be formed in steady state is a prerequisite for obtaining a coherent beam of atoms in a continuous-wave atom laser. In this paper we propose a method for loading atoms…

Quantum Physics · Physics 2009-11-06 Satyan Bhongale , Murray Holland

Compact acceleration of a tightly collimated relativistic electron beam with high charge from a laser-plasma interaction has many unique applications. However, currently the well-known schemes, including laser wakefield acceleration from…

Atomic cadmium ions are loaded into radiofrequency ion traps by photoionization of atoms in a cadmium vapor with ultrafast laser pulses. The photoionization is driven through an intermediate atomic resonance with a frequency-quadrupled…

The intrinsic constraints in the amplitude of the accelerating fields sustainable by radio-frequency accelerators demand for the pursuit of alternative and more compact acceleration schemes. Among these, plasma-based accelerators are…

Plasma Physics · Physics 2018-06-08 Aaron Alejo , Roman Walczak , Gianluca Sarri

By using multi-dimensional particle-in-cell simulation, we present a new regime of stable proton beam acceleration which takes place when a two-specie shaped foil is illuminated by a circularly polarized laser pulse. It is observed that the…

Plasma Physics · Physics 2015-03-13 T. P. Yu , A. Pukhov , G. Shvets , M. Chen

Laser-plasma accelerators can produce high quality electron beams, up to giga-electronvolts in energy, from a centimeter scale device. The properties of the electron beams and the accelerator stability are largely determined by the…

Plasma Physics · Physics 2013-09-26 S. Corde , C. Thaury , A. Lifschitz , G. Lambert , K. Ta Phuoc , X. Davoine , R. Lehe , D. Douillet , A. Rousse , V. Malka

Ultrafast pump-probe experiments open the possibility to track fundamental material behaviour like changes in its electronic configuration in real time. To date, most of these experiments are performed using an electron or a high-energy…

The design and characterization of a new laser-desorption molecular beam source, tailored for use in x-ray-free-electron-laser and ultrashort-pulse-laser imaging experiments, is presented. It consists of a single mechanical unit containing…

Utilizing laser plasma wakefield to accelerate ultra-high charge electron beam is critical for many pioneering applications, for example to efficiently produce nuclear isomers with short lifetimes which may be widely used. However, because…

We address the problem of energy dispersion of radiation pressure accelerated (RPA) ion beams emerging from a thin (solid) target. Two different acceleration schemes, namely phase-stable acceleration and multi-stage acceleration, are…

Plasma Physics · Physics 2015-03-19 M. Grech , S. Skupin , A. Diaw , T. Schlegel , V. T. Tikhonchuk

The substantial angular divergence of electron beams produced by direct laser acceleration is often considered as an inherent negative feature of the mechanism. The divergence however arises primarily because the standard approach relies on…

Plasma Physics · Physics 2019-04-08 Z. Gong , A. P. L. Robinson , X. Q. Yan , A. V. Arefiev

We present experimental studies on ion acceleration from ultra-thin diamond-like carbon (DLC) foils irradiated by ultra-high contrast laser pulses of energy 0.7 J focussed to peak intensities of 5*10^{19} W/cm^2. A reduction in electron…

Self-guided femtosecond laser pulses propagating in low-pressure gas can generate plasma filaments, establishing a new framework for plasma wakefield acceleration. Unlike conventional schemes relying on mechanically confined or preformed…

A new regime is described for Radiation Pressure Acceleration of a thin foil by an intense laser beam of above 10^20 W/cm^2. Highly monoenergetic proton beams extending to GeV energies can be produced with very high efficiency using…

Plasma Physics · Physics 2009-11-13 A. P. L. Robinson , M. Zepf , S. Kar , R. G. Evans , C. Bellei

The bubble structure generated by laser and plasma interactions changes in size depending on the local plasma density. The self injection electrons position with respect to wakefield can be controlled by tailoring the longitudinal plasma…

Plasma Physics · Physics 2014-09-02 Q. Yu , Y. J. Gu , X. F. Li , S. Huang , F. Zhang , Q. Kong , Y. Y. Ma , S. Kawata

In the Coulomb explosion acceleration regime, an ion bunch with a narrow energy range exhibits a thin shell shape with a certain diameter. The ion cloud has a layered structure of these ion bunches with different energies. The divergences…

Plasma Physics · Physics 2022-05-23 Toshimasa Morita

We report on three-dimensional optical trapping of single ions in an optical lattice formed by two counter-propagating laser beams. We characterize the trapping parameters of the standing wave using the ion as a sensor stored in a hybrid…

Atomic Physics · Physics 2015-06-11 Martin Enderlein , Thomas Huber , Christian Schneider , Tobias Schaetz