Abstract
Pulsed neutron transmission spectroscopic radiography is an attractive new technique in energy-resolved neutron radiography.The imaging technique is based on the spectralanalysis of neutrons throughthe time-of-flight (TOF) method.The neutron transmission spectrum that can be obtained usinga time-resolved neutron imaging system includes the Bragg-scattering edges with crystallographic information and thetransmission dips duetotheresonanceabsorptionofthenuclei.To obtain the neutron transmission spectrum with high-power neutron sources, we developed anew high-performance imaging system consisting of a neutroncolor image intensifier, photon image intensifier, high-resolution CMOS camera, and high-frame-rate camera. The system was used for experiments at the electron linac pulsed neutron source in Hokkaido University, and the targeted function was proved to be successful.
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