A miniature thermal neutron source using high power lasers

S. R. Mirfayzi, H. Ahmed, D. Doria, A. Alejo, S. Ansell, R. J. Clarke, B. Gonzalez-Izquierdo, P. Hadjisolomou, R. Heathcote, T. Hodge, P. Martin, D. Raspino, E. Schooneveld, P. McKenna, N. J. Rhodes, D. Neely, M. Borghesi, S. Kar

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Abstract

The continuous improvement of high power laser technologies is recasting the prospects of small-scale neutron sources to enable scientific communities and industries performing experiments that are currently offered at extensive accelerator-driven facilities. This paper reports moderation of laser-driven fast neutrons to thermal energies using a compact, modular, moderator assembly. A significant thermal (~25 meV) flux of 10^6 n/sr/pulse was measured from water and plastic moderators in a proof-of-principle experiment employing a relatively
moderate power laser delivering 200 J on the target in 10 ps. Using Monte Carlo N-Particle eXtended simulations, the experimental results are reproduced and discussed.
Original languageEnglish
Article number174102
JournalApplied Physics Letters
Volume116
Issue number17
DOIs
Publication statusPublished - 01 May 2020

Bibliographical note

doi: 10.1063/5.0003170

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  • A miniature thermal neutron source using high power lasers

    Mirfayzi, S. R. (Contributor), Ahmed, H. (Contributor), Doria, D. (Contributor), Alejo, A. (Contributor), Ansell, S. (Contributor), Clarke, R. J. (Contributor), Gonzalez-Izquierdo, B. (Contributor), Hadjisolomou, P. (Contributor), Heathcote, R. (Contributor), Hodge, T. (Contributor), Martin, P. (Contributor), Raspino, D. (Contributor), Schooneveld, E. (Contributor), McKenna, P. (Contributor), Rhodes, N. J. (Contributor), Neely, D. (Contributor), Borghesi, M. (Contributor) & Kar, S. (Creator), American Institute of Physics, 2020

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