A miniature thermal neutron source using high power lasers: Applied Physics Letters

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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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
JournalApplied Physics Letters
Issue number17
Publication statusPublished - 01 May 2020


Bibliographical note

doi: 10.1063/5.0003170

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Mirfayzi, S. R., Ahmed, H., Doria, D., Alejo, A., Ansell, S., Clarke, R. J., Gonzalez-Izquierdo, B., Hadjisolomou, P., Heathcote, R., Hodge, T., Martin, P., Raspino, D., Schooneveld, E., McKenna, P., Rhodes, N. J., Neely, D., Borghesi, M., & Kar, S. (2020). A miniature thermal neutron source using high power lasers: Applied Physics Letters. Applied Physics Letters, 116(17). https://doi.org/10.1063/5.0003170