Abstract
The SUPER-FMIT facility is proposed as an advanced accelerator based neutron source for high flux irradiation testing of large-sized fusion reactor components. The facility would require only small extensions to existing accelerator and target technology originally developed for the Fusion Materials Irradiation Test (FMIT) facility. There, neutrons would be produced by a 0.1 A beam of 35 MeV deuterons incident upon a liquid lithium target. The volume available for high flux (> 10 14 n/ cm 2s) testing in SUPER-FMIT would be 14 1, about a factor of 30 larger than in the FMIT facility. This is because the effective beam current of 35 MeV deuterons on target can be increased by a factor of ten to 1.0 A or more. Such a large increase can be accomplished by acceleration of multiple beams of molecular deuterium ions (D + 2) to 70 MeV in a common accelerator structure. The availability of multiple beams and large total current allows great variety in the testing that can be done. For example, fluxes greater than 10 16 n/cm 2 s, multiple simultaneous experiments and great flexibility in tailoring of spatial distributions of flux and spectra can be achieved.
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