Date: Aug 28, 2013 Source: R&D Magazine (
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Analysis of nuclear materials using fast neutron sources has become more common. Greater intensity, or flux (neutrons per unit area), of these sources ensures more effective analysis. However, in current devices samples must be placed a distance from the neutron source emitter where the flux of the fast neutron is small. The "High Flux Fast Neutron Source" Model DD-109X, introduced by Adelphi Technology Inc. and the Univ. of Florida, changes that by positioning the sample to be irradiated in the acceleration chamber next to the high-voltage target that produces the fast neutrons. This produces fluxes of fast neutrons that are 10 to 100 times greater than those produced by alternatives that use the same deuterium-deuterium fusion reaction. This is high enough to analyze fissile materials, and permits long-term analysis. Long life also reduces operating costs.
