Abstract
Fast neutron resonance radiography (FNRR) is an imaging method that exploits the characteristic crosssection structure of different isotopes in the energy-range En=1-10 MeV. FNRR holds promise for detecting a broad range of conventional and improvised explosives, by determining the identity and density distribution of light elements such as C, N and O within an inspected object. FNRR is also employed to locate diamonds in a mineral rock environment. This contribution reviews the various techniques of FNRR and examines their advantages and shortcomings. The required FNRR system characteristics for detection of explosives, such as detection efficiency, spatial resolution and energy resolution are outlined and some recent solutions aimed at achieving these goals are presented.
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