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MeV photon imaging with robotic sample positioning at a research reactor

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Abstract

This paper summarizes the development and demonstration of an X-ray and gamma-ray radiography capability using a TRIGA MARK-II reactor. Photons are a combination of Bremsstrahlung X-rays and gamma rays from fission and radioactive decay. The energy spectrum of the facility was analyzed with a NaI(Tl) scintillator detector. A digital X-ray camera for use with MeV-range photons images a duplex wire-type penetrameter to analyze unsharpness and spatial resolution. An industrial manipulator precisely positions the sample, which allows objects to have larger dimensions than the detector’s field-of-view. Future work includes performing computed tomography to create 3-dimensional representations of objects.

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Authors and Affiliations

  1. Department of Mechanical Engineering - Nuclear Engineering, University of Texas at Austin, Austin, TX, 78712, USA

    Nicholas R. Hashem, Derek A. Haas & Mitchell W. Pryor

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  1. Nicholas R. Hashem
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  2. Derek A. Haas
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  3. Mitchell W. Pryor
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Correspondence to Nicholas R. Hashem.

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Hashem, N.R., Haas, D.A. & Pryor, M.W. MeV photon imaging with robotic sample positioning at a research reactor. J Radioanal Nucl Chem 318, 599–604 (2018). https://doi.org/10.1007/s10967-018-6151-3

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  • DOI: https://doi.org/10.1007/s10967-018-6151-3

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