76 citations · 304 across the 25 of their papers we have counts for
25 papers
Time-resolved optical shadowgraphy of solid hydrogen jets as a testbed to benchmark particle-in-cell simulations
Long Yang, Lingen Huang, Stefan Assenbaum +11
Particle-in-cell (PIC) simulations are a superior tool to model kinetics-dominated plasmas in relativistic and ultrarelativistic laser-solid interactions (dimensionless vectorpoten…
Visualizing Plasmons and Ultrafast Kinetic Instabilities in Laser-Driven Solids using X-ray Scattering
Paweł Ordyna, Carsten Bähtz, Erik Brambrink +27
Ultra-intense lasers that ionize and accelerate electrons in solids to near the speed of light can lead to kinetic instabilities that alter the laser absorption and subsequent elec…
Probing the dynamics of solid density micro-wire targets after ultra-intense laser irradiation using a free-electron laser
Thomas Kluge, Michael Bussmann, Eric Galtier +22
In this paper, we present an experiment that explores the plasma dynamics of a 7 micron diameter carbon wire after being irradiated with a near-relativistic-intensity short pulse l…
Field-assisted birefringent Compton scattering
N. Ahmadiniaz, T. E. Cowan, M. Ding +4
Motivated by experimental initiatives such as the Helmholtz International Beamline for Extreme Fields (HIBEF), we study Compton scattering of x-rays at electrons in a strong extern…
Heating in Multi-Layer Targets at ultra-high Intensity Laser Irradiation and the Impact of Density Oscillation
Franziska-Luise Paschke-Bruehl, Mohammad Banjafar, Marco Garten +7
We present a computational study of isochoric heating in multi-layered targets at ultra-high intensity laser irradiation (approx. 10**20 W/cm**2). Previous studies have shown enhan…
Optimized laser ion acceleration at the relativistic critical density surface
Ilja Göthel, Constantin Bernert, Michael Bussmann +8
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 Ac…
Nonlinear Inverse Compton Scattering from a Laser Wakefield Accelerator and Plasma Mirror
A. Hannasch, M. LaBerge, R. Zgadzaj +7
We generate inverse Compton scattered X-rays in both linear and nonlinear regimes with a 250 MeV laser wakefield electron accelerator and plasma mirror by retro-reflecting the unus…
Compact Spectral Characterization of 5-500 MeV X-rays from the Texas Petawatt Laser-Driven Plasma Accelerator
A. Hannasch, L. Lisi, J. Brooks +11
We reconstruct spectra of secondary x-rays generated from a 500 MeV - 2 GeV laser plasma electron accelerator. A compact (7.5 7.5 15 cm), modular x-ray calorimete…
Compact Spectroscopy of keV to MeV X-rays from a Laser Wakefield Accelerator
A. Hannasch, A. Laso Garcia, M. LaBerge +12
We reconstruct spectra of secondary X-rays from a tunable 250-350 MeV laser wakefield electron accelerator from single-shot X-ray depth-energy measurements in a compact (7.5 $\time…
Probing ultrafast laser plasma processes inside solids with resonant small-angle X-ray scattering
Lennart Gaus, Lothar Bischoff, Michael Bussmann +33
Extreme states of matter exist throughout the universe e.g. inside planetary cores, stars or astrophysical jets. Such conditions are generated in the laboratory in the interaction…
Nanoscale subsurface dynamics of solids upon high-intensity laser irradiation observed by femtosecond grazing-incidence x-ray scattering
Lisa Randolph, Mohammadreza Banjafar, Thomas R. Preston +28
Observing ultrafast laser-induced structural changes in nanoscale systems is essential for understanding the dynamics of intense light-matter interactions. For laser intensities on…
Bremsstrahlung emission and plasma characterization driven by moderately relativistic laser-plasma interactions
Sushil Singh, Chris D. Armstrong, Ning Kang +22
Relativistic electrons generated by the interaction of petawatt-class short laser pulses with solid targets can be used to generate bright X-rays via bremsstrahlung. The efficiency…
Proton beam quality enhancement by spectral phase control of a PW-class laser system
T. Ziegler, D. Albach, C. Bernert +24
We report on experimental investigations of proton acceleration from solid foils irradiated with PW-class laser-pulses, where highest proton cut-off energies were achieved for temp…
Femtosecond laser produced periodic plasma in a colloidal crystal probed by XFEL radiation
Nastasia Mukharamova, Sergey Lazarev, Janne-Mieke Meijer +20
With the rapid development of short-pulse intense laser sources, studies of matter under extreme irradiation conditions enter further unexplored regimes. In addition, an applicatio…
Spectral and spatial shaping of laser-driven proton beams using a pulsed high-field magnet beamline
Florian-Emanuel Brack, Florian Kroll, Lennart Gaus +17
Intense laser-driven proton pulses, inherently broadband and highly divergent, pose a challenge to established beamline concepts on the path to application-adapted irradiation fiel…
First demonstration of multi-MeV proton acceleration from a cryogenic hydrogen ribbon target
Stephan D. Kraft, Lieselotte Obst, Josefine Metzkes-Ng +9
We show efficient laser driven proton acceleration up to 14MeV from a 50 m thick cryogenic hydrogen ribbon. Pulses of the short pulse laser ELFIE at LULI with a pulse length of…
The new Felsenkeller 5 MV underground accelerator
Daniel Bemmerer, Thomas E. Cowan, Alexander Domula +18
The field of nuclear astrophysics is devoted to the study of the creation of the chemical elements. By nature, it is deeply intertwined with the physics of the Sun. The nuclear rea…
Observation of ultrafast solid-density plasma dynamics using femtosecond X-ray pulses from a free-electron laser
Thomas Kluge, Melanie Rödel, Josefine Metzkes +23
The complex physics of the interaction between short pulse high intensity lasers and solids is so far hardly accessible by experiments. As a result of missing experimental capabili…
Silicon photomultiplier readout of a monolithic 27055 cm plastic scintillator bar for time of flight applications
Tobias P. Reinhardt, Stefan Gohl, Stefan Reinicke +8
The detection of 200-1000 MeV neutrons requires large amounts, 100 cm, of detector material because of the long nuclear interaction length of these particles. In the example…
Two surface plasmon decay of plasma oscillations
Thomas Kluge, Josefine Metzkes, Karl Zeil +3
The interaction of ultra-intense lasers with solid foils can be used to accelerate ions to high energies well exceeding 60 MeV. The non-linear relativistic motion of electrons in t…
Efficiency determination of resistive plate chambers for fast quasi-monoenergetic neutrons
M. Röder, Z. Elekes, T. Aumann +17
Composite detectors made of stainless steel converters and multigap resistive plate chambers have been irradiated with quasi-monoenergetic neutrons with a peak energy of 175MeV. Th…
Ion heating dynamics in solid buried layer targets irradiated by ultra-short intense laser pulses
Lingen Huang, Michael Bussmann, Thomas Kluge +3
We investigate bulk ion heating in solid buried layer targets irradiated by ultra-short laser pulses of relativistic intensities using particle-in-cell simulations. Our study focus…
Using XFELs for Probing of Complex Interaction Dynamics of Ultra-Intense Lasers with Solid Matter
Thomas Kluge, Christian Gutt, Lingen Huang +4
We demonstrate the potential of X-ray free-electron lasers (XFEL) to advancethe understanding of complex plasma dynamics by allowing for the first time nanometer and femtosecond re…
In Situ Characterisation of Permanent Magnetic Quadrupoles for focussing proton beams
J. J. Melone, K. W. D. Ledingham, T. McCanny +10
High intensity laser driven proton beams are at present receiving much attention. The reasons for this are many but high on the list is the potential to produce compact accelerator…