Single-Shot Electron Radiography Using a Laser-Plasma Accelerator
Plasma Physics
2023-01-19 v2 Accelerator Physics
Abstract
Contact and projection electron radiography of static targets was demonstrated using a laser plasma accelerator driven by a kilojoule, picosecond class laser as a source of relativistic electrons with an average energy of 20 MeV. Objects with areal densities as high as 7.7 g/cm^2 were probed in materials ranging from plastic to tungsten, and radiographs with resolution as good as 90 micrometers were produced. The effects of electric fields produced by the laser ablation of the radiography objects were observed and are well described by an analytic expression relating imaging magnification change to electric field strength.
Cite
@article{arxiv.2209.14944,
title = {Single-Shot Electron Radiography Using a Laser-Plasma Accelerator},
author = {G. Bruhaug and M. S. Freeman and H. G. Rinderknecht and L. P. Neukirch and C. H. Wilde and F. E Merrill and J. R. Rygg and M. S. Wei and G. W. Collins and J. L. Shaw},
journal= {arXiv preprint arXiv:2209.14944},
year = {2023}
}