Quantitative phase radiography with polychromatic neutrons |
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Authors: | McMahon P J Allman B E Jacobson D L Arif M Werner S A Nugent K A |
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Institution: | School of Physics, University of Melbourne, Victoria 3010, Australia. |
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Abstract: | We develop and experimentally demonstrate a formalism that allows accurate phase imaging using neutron sources producing highly polychromatic beams. The results of measurements from a rectangular block of silicon compare favorably with theoretical simulations based upon the known composition and geometry of the block. The increased flux and reduced exposure times will permit a simple extension of the technique to tomographic phase imaging. |
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