The Spin-Echo Small Angle Neutron Scattering option by insertion of angle labelling magnets.

SESANS will have two oppositely oriented precession regions before and after the sample with inclined field boundaries and will resolve scattering angles as small as ~ 10 microradians. The length scales will range from 30 nanometres to 30 micrometres. In this configuration, shown the figure, an analyser will be positioned in front of the detector, which will be at the direct beam. The setup requires broadband resonant radio-frequency flippers, which will be a further development (second generation) of those deployed with success on OffSpec.

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