Development of an ultra-high-speed scanning neutron tomography system for high-quality and four-dimensional visualizations

Kureta, Masatoshi   ; Iikura, Hiroshi  

A new neutron tomography imaging system was developed in order to realize a high-quality three-dimensional (3D) and four-dimensional (4D) visualizations by fusing the high-frame-rate neutron radiography and computed tomography (CT) techniques. Fundamental idea is that the object is revolved with high rotating speed and the neutron radiography images are recorded with a high-speed video camera and an image intensifier, and then the consecutive images are processed by 3D CT technique. The 4D dynamic images of the sand flow in the sandglasses could be visualized clearly. This new technique has also an advantage to reduce radio activation of the object materials remarkably.