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Monte Carlo modelling of a multiple-hole collimator for high energy gamma-ray imaging

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4 Author(s)
Guru, S.V. ; Dept. of Nucl. Eng., Michigan Univ., Ann Arbor, MI, USA ; Valentine, J.D. ; Wehe, D.K. ; Knoll, G.F.

To develop a second generation gamma-ray camera for industrial applications, various multiple-hole collimator designs that meet high-energy, high-intensity and far-field imaging requirements have been studied. The collection of parallel holes each parallel to one another (parallel-hole, parallel collimator) is ineffective for imaging high energy far-field sources, whereas a collimator with parallel holes arranged in a diverging manner (parallel-hole, diverging collimator) is a good candidate for our imaging system. The response of a proposed collimator to different source conditions is modelled and presented in this work

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Nuclear Science, IEEE Transactions on  (Volume:41 ,  Issue: 4 )