14 May 2015 Laser generation of ultra-short neutron bursts from high atomic number converters
Author Affiliations +
Abstract
At the Texas Petawatt laser facility we developed a novel ultra-short pulsed laser-driven neutron source generating an unprecedented output peak flux. Our results show a dramatic onset of high-energy electron generation from petawatt laser-irradiated plastic targets for targets thinner than a few microns. In this regime, the copious amounts of multi-MeV electrons emitted from the target are utilized to generate photo-neutrons from a metal converter. The neutrons are generated with a <50 ps pulse duration and a flux of 1018 n/cm2/s, exceeding any other pulsed or CW neutron source. In this paper, we will report on our measurement of the neutron yields produced from high atomic number converters.
© (2015) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
I. Pomerantz, I. Pomerantz, E. McCary, E. McCary, A. R. Meadows, A. R. Meadows, A. Arefiev, A. Arefiev, A. C. Bernstein, A. C. Bernstein, C. Chester, C. Chester, J. Cortez, J. Cortez, M. E. Donovan, M. E. Donovan, G. Dyer, G. Dyer, E. W. Gaul, E. W. Gaul, D. Hamilton, D. Hamilton, D. Kuk, D. Kuk, A. C. Lestrade, A. C. Lestrade, C. Wang, C. Wang, T. Ditmire, T. Ditmire, B. M. Hegelich, B. M. Hegelich, } "Laser generation of ultra-short neutron bursts from high atomic number converters", Proc. SPIE 9514, Laser Acceleration of Electrons, Protons, and Ions III; and Medical Applications of Laser-Generated Beams of Particles III, 95140Q (14 May 2015); doi: 10.1117/12.2181494; https://doi.org/10.1117/12.2181494
PROCEEDINGS
5 PAGES


SHARE
Back to Top