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Comparison of Digital Imaging Systems for Neutron Radiography

  • General and Applied Physics
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Abstract

The characteristics of three digital imaging systems for neutron radiography purposes have been compared. Two of them make use of films, CR-39 and Kodak AA, and the third makes use of a LiF scintillator, for image registration. The irradiations were performed in the neutron radiography facility installed at the IEA-R1 nuclear research reactor of IPEN-CNEN/SP. According to the obtained results, the system based on CR-39 is the slowest to obtain an image, and the best in terms of resolution but the worse in terms of contrast. The system based on Kodak AA is faster than the prior, exhibits good resolution and contrast. The system based on the scintillator is the fastest to obtain an image, and best in terms of contrast but the worse in terms of resolution.

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Acknowledgements

The authors thank the financial support provided by “FAPESP (project 09502610)” to acquire the digital image processing system used to quantify the parameters.

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Authors and Affiliations

  1. Centro do Reator de Pesquisas-CRPq–Divisão de Física Nuclear, Instituto de Pesquisas Energéticas, e Nucleares (IPEN-CNEN/SP), 05508 170, Sao Paulo, Brazil

    R. Pugliesi & Fábio Pugliesi

  2. Instituto Tecnológico e Nuclear, Estrada Nacional 10, 2686-953, Sacavém, Portugal

    M. A. Stanojev Pereira

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  1. R. Pugliesi
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  2. Fábio Pugliesi
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  3. M. A. Stanojev Pereira
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Correspondence to R. Pugliesi.

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Pugliesi, R., Pugliesi, F. & Stanojev Pereira, M.A. Comparison of Digital Imaging Systems for Neutron Radiography. Braz J Phys 41, 123–128 (2011). https://doi.org/10.1007/s13538-011-0016-3

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  • DOI: https://doi.org/10.1007/s13538-011-0016-3

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