Explanipedia

Direct observation of a wakefield generated with structured light Open

A. A. Golovanov, Slava Smartsev, Sheroy Tata, I. A. Andriyash, Salome Benracassa , et al. · 2025

The use of structured light to control the phase velocity of the wake in laser-wakefield accelerators has generated significant interest for its ability to mitigate electron dephasing. Combining the diffraction-free properties of Bessel be…

Revealing the nonlinear transition of beam-driven plasma wakefield Open

Y. Wan, Sheroy Tata, Omri Seemann, Bo Peng, E. Levine , et al. · 2025

Plasma wakefield accelerators, powered by high-current particle beams, are rapidly emerging as a revolutionary platform for both compact light sources and the next generation of high-energy colliders. A critical aspect that remains unresol…

Start-to-end modelling of laser-plasma acceleration, beam transport and dose deposition of very high-energy electrons for radiotherapy Open

Rajakrishna Kalvala, A. A. Golovanov, Arnaud Courvoisier, Tomer Friling, E. Kroupp , et al. · 2025

Radiotherapy using very high-energy electron (VHEE) beams generated by a laser-plasma accelerator has garnered significant interest due to its dose distribution capabilities and potential to address limitations of traditional photon-based …

Input to the ESPPU: The LUXE Experiment Open

H. Abramowicz, Melissa Almanza Soto, M. Altarelli, R. Aßmann, Athanasios G. Athanassiadis , et al. · 2025

This document presents an overview of LUXE (Laser Und XFEL Experiment), an experiment that will combine the high-quality and high-energy electron beam of the European XFEL with a high-intensity laser, to explore the uncharted terrain of st…

First direct observation of a wakefield generated with structured light Open

Aaron Liberman, A. A. Golovanov, Slava Smartsev, Sheroy Tata, I. A. Andriyash , et al. · 2025

The use of structured light to control the phase velocity of the wake in laser-wakefield accelerators has generated significant interest for its ability to mitigate electron dephasing. Combining the diffraction-free properties of Bessel be…

Direct visualization of shock front induced nonlinear laser wakefield dynamics Open

E. Levine, Y. Wan, Sheroy Tata, Daria Raspopova, E. Kroupp , et al. · 2025

Laser-plasma acceleration is considered to be a promising candidate for compactly delivering high-energy high-quality electron beams. One of the most common methods for injecting plasma electrons into the wakefield structure is the shock f…

Compton photons at the GeV scale from self-aligned collisions with a plasma mirror Open

Aimé Matheron, J.-R. Marquès, V. Lelasseux, Yinren Shou, I. A. Andriyash , et al. · 2024

With today's multi-petawatt lasers, testing quantum electrodynamics (QED) in the strong field regime, where the electric field exceeds the Schwinger critical field in the rest frame of an electron, becomes within reach. Inverse Compton sca…

Technical Design Report for the LUXE experiment Open

H. Abramowicz, Marcelo A. Soto, M. Altarelli, R. Aßmann, Athanasios G. Athanassiadis , et al. · 2024

Real-time visualization of the laser-plasma wakefield dynamics Open

Y. Wan, Sheroy Tata, Omri Seemann, E. Levine, E. Kroupp , et al. · 2024

The exploration of new acceleration mechanisms for compactly delivering high-energy particle beams has gained great attention in recent years. One alternative that has attracted particular interest is the plasma-based wakefield accelerator…

High repetition rate relativistic laser–solid–plasma interaction platform featuring simultaneous particle and radiation detection Open

Jaismeen Kaur, Marie Ouillé, Dan Levy, Louis Daniault, Axel Robbes , et al. · 2023

We report on a uniquely designed high repetition rate relativistic laser–solid–plasma interaction platform, featuring the first simultaneous measurement of emitted high-order harmonics, relativistic electrons, and low divergence proton bea…

Technical Design Report for the LUXE Experiment Open

H. Abramowicz, Marcelo A. Soto, M. Altarelli, R. Aßmann, Athanasios G. Athanassiadis , et al. · 2023

This Technical Design Report presents a detailed description of all aspects of the LUXE (Laser Und XFEL Experiment), an experiment that will combine the high-quality and high-energy electron beam of the European XFEL with a high-intensity …

Refractive plasma optics for relativistic laser beams Open

Omri Seemann, Y. Wan, Sheroy Tata, E. Kroupp, V. Malka · 2023

The high intensities reached today by powerful lasers enable us to explore the interaction with matter in the relativistic regime, unveiling a fertile domain of modern science that is pushing far away the frontiers of plasma physics. In th…

Observation of Fast Current Redistribution in an Imploding Plasma Column Open

C. Stollberg, E. Kroupp, D. Mikitchuk, Prashant Sharma, V. Bernshtam , et al. · 2023

Spectroscopic measurements of the magnetic field evolution in a Z-pinch throughout stagnation and with particularly high spatial resolution reveal a sudden current redistribution from the stagnating plasma (SP) to a low-density plasma (LDP…

Femtosecond electron microscopy of relativistic electron bunches Open

Y. Wan, Sheroy Tata, Omri Seemann, E. Levine, Slava Smartsev , et al. · 2023

Simultaneous generation and detection of energetic particle and radiation beams from relativistic plasma mirrors driven at kHz repetition rate Open

Jaismeen Kaur, Marie Ouillé, Dan Levy, Louis Daniault, Axel Robbes , et al. · 2023

We report on the first simultaneous measurement of high-order harmonics, relativistic electrons and low divergence proton beams generated from plasma mirrors driven at kHz repetition rate by relativistic-intensity milliJoule-energy femtose…

Characterization of spatiotemporal couplings with far-field beamlet cross-correlation Open

Slava Smartsev, Sheroy Tata, Aaron Liberman, Michael Adelberg, Arujash Mohanty , et al. · 2022

We present a novel, straightforward method for the characterization of spatiotemporal couplings (STCs) in ultra-short laser pulses. The method employs far-field interferometry and inverse Fourier transform spectroscopy, built on the theore…

Low divergence proton beams from a laser-plasma accelerator at kHz repetition rate Open

Dan Levy, I. A. Andriyash, Stefan Haessler, Jaismeen Kaur, Marie Ouillé , et al. · 2022

Proton beams with up to 100 pC bunch charge, 0.48 MeV cutoff energy, and divergence as low as 3° were generated from solid targets at kHz repetition rate by a few-mJ femtosecond laser under controlled plasma conditions. The beam spatial pr…

Commissioning and first results from the new 2 × 100 TW laser at the WIS Open

E. Kroupp, Sheroy Tata, Y. Wan, Dan Levy, Slava Smartsev , et al. · 2022

At the Weizmann Institute of Science, a new high-power-laser laboratory has been established that is dedicated to the fundamental aspects of laser–matter interaction in the relativistic regime and aimed at developing compact laser-plasma a…

Spatiotemporal pulse characterization with far-field beamlet cross-correlation Open

Slava Smartsev, Sheroy Tata, Aaron Liberman, Michael Adelberg, Arujash Mohanty , et al. · 2022

We present a novel, straightforward method for spatiotemporal characterization of ultra-short laser pulses. The method employs far-field interferometry and inverse Fourier transform spectroscopy, built on the theoretical basis derived in t…

Low divergence proton beams from a laser-plasma accelerator at kHz repetition rate Open

Dan Levy, I. A. Andriyash, Stefan Haessler, Marie Ouillé, Jaismeen Kaur , et al. · 2021

Proton beams with up to 100 pC bunch charge, 0.48 MeV cut-off energy and divergence as low as a $3^{\circ}$ were generated from solid targets at kHz repetition rate by a few-mJ femtosecond laser under controlled plasma conditions. The beam…

Observation of fast current redistribution in an imploding plasma column Open

C. Stollberg, E. Kroupp, D. Mikitchuk, Prashant K. Sharma, V. Bernshtam , et al. · 2021

Spectroscopic measurements of the magnetic field evolution in a Z-pinch throughout stagnation and with particularly high spatial resolution reveal a sudden current redistribution from the stagnating plasma (SP) to a low density plasma (LDP…

Hydrodynamic-dissipation relation for characterizing flow stagnation Open

Seth Davidovits, E. Kroupp, E. Stambulchik, Y. Maron · 2021

Hydrodynamic stagnation converts flow energy into internal energy. Here we develop a technique to directly analyze this hydrodynamic-dissipation process, which also yields a lengthscale associated with the conversion of flow energy to inte…

Azimuthal magnetic field distribution in gas-puff -pinch implosions with and without external magnetic stabilization Open

N. Aybar, M. Dozières, D. B. Reisman, M. Cvejić, D. Mikitchuk , et al. · 2021

An experimental study of the magnetic field distribution in gas-puff Z pinches with and without a preembedded axial magnetic field (B_{z0}) is presented. Spatially resolved, time-gated spectroscopic measurements were made at the Weizmann I…

On the Stark Effect of the O I 777-nm Triplet in Plasma and Laser Fields Open

E. Stambulchik, E. Kroupp, Y. Maron, V. Malka · 2020

The O I 777-nm triplet transition is often used for plasma density diagnostics. It is also employed in nonlinear optics setups for producing quasi-comb structures when pumped by a near-resonant laser field. Here, we apply computer simulati…

Local measurements of the spatial magnetic field distribution in a z-pinch plasma during and near stagnation using polarization spectroscopy Open

Guy Rosenzweig, E. Kroupp, T. Queller, A. Starobinets, Y. Maron , et al. · 2020

We present here the detailed measurements of radial distribution of the magnetic field in a gas-puff z-pinch plasma at the final stages of the implosion phase and at stagnation. While the measurements are chordal, the radial distribution o…

Current channel evolution in ideal Z pinch for general velocity profiles Open

Ian E. Ochs, C. Stollberg, E. Kroupp, Y. Maron, A. Fruchtman , et al. · 2019

Recent diagnostic advances in gas-puff Z pinches at the Weizmann Institute for the first time allow the reconstruction of the current flow as a function of time and radius. These experiments show an unexpected radially-outward motion of th…

Determination of the Ion Temperature in a High-Energy-Density Plasma Using the Stark Effect Open

Dror Alumot, E. Kroupp, E. Stambulchik, A. Starobinets, I. Uschmann , et al. · 2019

We present the experimental determination of the ion temperature in a neon-puff Z pinch. The diagnostic method is based on the effect of ion coupling on the Stark line shapes. It was found, in a profoundly explicit way, that at stagnation …

Effects of a Preembedded Axial Magnetic Field on the Current Distribution in a -Pinch Implosion Open

D. Mikitchuk, M. Cvejić, R. Doron, E. Kroupp, C. Stollberg , et al. · 2019

The fundamental physics of the magnetic field distribution in a plasma implosion with a preembedded magnetic field is investigated within a gas-puff Z pinch. Time and space resolved spectroscopy of the polarized Zeeman effect, applied for …

Study of Triple Ar Gas Puff Z-Pinches on 0.9-MA, 200-ns COBRA Open

N. Qi, Sophia Rocco, Joseph Engelbrecht, E. S. Lavine, P. de Grouchy , et al. · 2018

Ar gas puff z-pinch experiments were conducted on the 0.9 MA, 200 ns COBRA generator at Cornell University. In the experiments, a triple-nozzle gas valve was used to produce the zpinch load with concentric outer and inner gas puffs and a c…

Turbulent stagnation in a -pinch plasma Open

E. Kroupp, E. Stambulchik, A. Starobinets, D. Osin, V. Fisher , et al. · 2018

The ion kinetic energy in a stagnating plasma was previously determined by Kroupp et al. [Phys. Rev. Lett. 107, 105001 (2011)PRLTAO0031-900710.1103/PhysRevLett.107.105001] from Doppler-dominated line shapes augmented by measurements of pla…

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