Recent results from the standoff detection of radiological materials by passive FTIR radiometry

Eldon Puckrin; Jean-Marc Theriault; Hugo Lavoie; Caroline S. Turcotte; Denis Dube

doi:10.1117/12.571946

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14 December 2004 Recent results from the standoff detection of radiological materials by passive FTIR radiometry

Eldon Puckrin, Jean-Marc Theriault, Hugo Lavoie, Caroline S. Turcotte, Denis Dube

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Proceedings Volume 5584, Chemical and Biological Standoff Detection II; (2004) https://doi.org/10.1117/12.571946
Event: Optics East, 2004, Philadelphia, Pennsylvania, United States

Abstract

Over the past year we have initiated a study into the passive standoff detection of radiological materials by Fourier-transform infrared (FTIR) radiometry. The preliminary work has shown that a number of radiological materials have an infrared signature in the 8-14 micron thermal infrared region. As well, through a series of simulations using the MODTRAN4 atmospheric transmission model, we have shown that these materials may potentially be detected at standoff distances of several kilometres. In this paper we present some results of our current work that focus on recent new measurements of spectral signatures, including the uranium oxides UO₂ and UO₃. Preliminary results from a measurement campaign held at Defence Research and Development Canada-Valcartier this year are also presented which address the passive detection of radiological materials in the field at standoff distances of 10-60 m. These results are analysed in view of determining the potential for measuring nuclear products with a passive standoff FTIR technique.

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Eldon Puckrin, Jean-Marc Theriault, Hugo Lavoie, Caroline S. Turcotte, and Denis Dube "Recent results from the standoff detection of radiological materials by passive FTIR radiometry", Proc. SPIE 5584, Chemical and Biological Standoff Detection II, (14 December 2004); https://doi.org/10.1117/12.571946

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