Fig. 1. Snapshot of thermal neutron imaging facility

Fig. 2. Schematic diagram of large field of view dark shielding case

Fig. 3. Testing results of large field of view thermal neutron imaging system

Fig. 4. Flowchart of super field of view methods

Fig. 5. Experimental results of thermal neutron tomography based on super field of view methods

Fig. 6. Preliminary design diagram of fission neutron imaging

Fig. 7. Fission neutron imaging flat field by cadmium plate filter

Fig. 8. Layout diagram of filter material combination

Fig. 9. Energy spectra at imaging position without of BC filter

Fig. 10. Energy spectra at imaging position with BC filter

Fig. 11. Flat field image by new filter combination

Fig. 12. Experimental results of air pump by new filter combination

Fig. 13. Fission neutron tomography results of air pump based on super field of view

Fig. 14. Fission neutron radiography and tomography results of resolution test sample (a) Projection image, (b) Reconstruction image, (c) Gray distribution in reconstruction image