Thin-film Approximate Point Scattered Function and its Application to Neutron Radiography

摘要: A simpler and improved utility approximate point scattered function for thin-fifilm converters currently used in neutron photographic devices is proposed as a correction method to produce clearer, more realistic images. The validity of the model was demonstrated through a simulation experiment. Based on the results, an error  analysis was carried out, certain corrections were made to the original model, and the fifinal model achieved a very low relative error in the simulation experiment. The model can also be optimized for quantitative neutron photographic analysis using iterative algorithms to obtain realistic neutron photographic images more quickly. At the end of the article, the model is extended to consider the case of energy spectrum hardening by introducing a temperature correction parameter.