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A previously unexplored experimental scheme is presented for generating low-divergence, ultra-dense, relativistic, electron-positron beams using 400 GeV/c protons available at facilities such as HiRadMat and AWAKE at CERN. Preliminary…

Photoemission driven by a strong electric field of near-infrared or visible light, referred to as strong-field photoemission, produces attosecond electron pulses that are synchronized to the waveform of the incident light, and this…

We introduce a novel and reliable approach to generate zeptosecond(10^{-21} s,zs), high-energy photon pulse bursts by synergistically exploiting the inherent characteristics of Free-Electron Lasers (FELs) and laser-Compton scattering. The…

Accelerator Physics · Physics 2025-07-22 Jinke Xiong , Hanghua Xu , Liangliang Ji , Chao Feng

Extreme laser pulses driving non-equilibrium processes in high density plasmas permit an increase of the fusion of hydrogen with the boron isotope 11 by nine orders of magnitude of the energy gains above the classical values. This is the…

Plasma Physics · Physics 2017-04-25 H. Hora , S. Eliezer , G. J. Kirchhoff , G. Korn , P. Lalousis , G. H. Miley , S. Moustaizis

A novel method of producing intense short wavelength radiation from relativistic electrons is described. The electrons are periodically bunched at the wavelength of interest enabling in-phase super-radiant emission that is orders of…

Accelerator Physics · Physics 2014-10-10 W. S. Graves , F. X. Kaertner , D. E. Moncton , P. Piot

We report a novel scheme to generate laser-induced, ultrafast, intense (Tesla scale), spatially isolated, magnetic fields. Three-dimensional particle-in-cell simulations show that a femtosecond azimuthally-polarized infrared vector beam,…

Long-living, hot and dense plasmas generated by ultra-intense laser beams are of critical importance for laser-driven nuclear physics, bright hard X-ray sources, and laboratory astrophysics. We report the experimental observation of plasmas…

Ionization by relativistically intense short laser pulses is studied in the framework of strong-field quantum electrodynamics. Distinctive patterns are found in the energy probability distributions of photoelectrons. Except of the already…

Atomic Physics · Physics 2018-03-14 F. Cajiao Vélez , J. Z. Kamiński , K. Krajewska

The generation of compact, high-energy ion beams is one of the most promising applications of intense laser-matter interactions, but the control of the beam spectral quality remains an outstanding challenge. We show that in radiation…

Plasma Physics · Physics 2022-06-22 H. -G. Jason Chou , Anna Grassi , Siegfried H. Glenzer , Frederico Fiuza

Generation of ultrabroadband isolated attosecond pulses (IAPs) is essential for time-resolved applications in chemical and material sciences, as they have the potential to access the spectral water window region of chemical elements, which…

Mesoscale and Nanoscale Physics · Physics 2022-04-20 Younes Adnani , Abdelmalek Taoutioui , Abdelkader Makhoute , Károly Tökési , Hicham Agueny

Understanding the interaction of kilojoule, picosecond laser pulse with long-scale length preplasma or homogeneous near critical density (NCD) plasma is crucial for guiding experiments at national short-pulse laser facilities. Using full…

Plasma Physics · Physics 2022-10-12 X. F. Shen , A. Pukhov , O. N. Rosmej , N. E. Andreev

The rapid progress that plasma wakefield accelerators are experiencing is now posing the question as to whether they could be included in the design of the next generation of high-energy electron-positron colliders. However, the typical…

High-harmonic generation (HHG) in condensed-matter systems is both a source of fundamental insight into quantum electron motion and a promising candidate to realize compact ultraviolet and ultrafast light sources. Here we argue that the…

Mesoscale and Nanoscale Physics · Physics 2017-03-08 Joel D. Cox , Andrea Marini , F. Javier García de Abajo

A bright collimated neutron source is an essential tool for global security missions and fundamental scientific research. In this paper, we study a compact high-yield and high-angular-flux neutron source utilizing the break-up reaction of…

Direct laser acceleration (DLA) offers a compact source of high-charge, energetic electrons for generating secondary radiation or neutrons. While DLA in high-density plasma optimizes the energy transfer from a laser pulse to electrons, it…

Plasma Physics · Physics 2025-10-30 Talia Meir , Kale Weichman , Alexey Arefiev , John P. Palastro , Ishay Pomerantz

The emergence of strong-field nanoplasmonics brings extreme laser field-matter interaction into the realm of nanoscale science, unveiling exciting new physics. Highly nonlinear interaction is enabled by tightly confined electric fields in…

Optics · Physics 2013-09-02 Shawn Sederberg , Abdulhakem Y. Elezzabi

By means of hollow plasma, multiple proton bunches work well in driving nonlinear plasma wakefields and accelerate electrons to energy frontier with preserved beam quality. However, the acceleration of positrons is different because the…

Accelerator Physics · Physics 2019-01-30 Y. Li , G. Xia , K. V. Lotov , A. P. Sosedkin , Y. Zhao

When a photon collides with a laser pulse, an electron-positron pair can be produced via the nonlinear Breit-Wheeler process. A simulation framework has been developed to calculate this process, which is based on a ponderomotive approach…

High Energy Physics - Phenomenology · Physics 2022-01-19 T. G. Blackburn , B. King

Upgrading the productivity of nanoparticles (NPs), generated by pulsed laser ablation in liquid (PLAL), still remains challenging. Here a novel variant of PLAL was developed, where a doubled frequency Nd:YAG laser beam (532 nm, ~ 5 ns, 10…

Chemical Physics · Physics 2020-04-22 Yaakov Monsa , Gyora Gal , Nadav Lerner , Ilana Bar

Strongly laser-driven semiconductor crystals offer substantial advantages for the study of many-body physics and ultrafast optoelectronics via the high harmonic generation process. While this phenomenon has been employed to investigate the…

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