Multi-energy ZnSe-based radiography against terrorism: theory and experiments

Sergey V. Naydenov; Vladimir D. Ryzhikov; Craig F. Smith; Dennis Wood; Sergey Kostioukevitych; Elena Lisetska

doi:10.1117/12.676869

21 September 2006 Multi-energy ZnSe-based radiography against terrorism: theory and experiments

Sergey V. Naydenov, Vladimir D. Ryzhikov, Craig F. Smith, Dennis Wood, Sergey Kostioukevitych, Elena Lisetska

Proceedings Volume 6319, Hard X-Ray and Gamma-Ray Detector Physics and Penetrating Radiation Systems VIII; 63191A (2006) https://doi.org/10.1117/12.676869
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

Multi-energy radiography is a new direction in non-destructive testing. Its specific feature is separate detection of penetrating radiation in several energy channels. Multi-energy radiography allows quantitative determination of the atomic composition of objects. This is its principal advantage over conventional radiography. In particular, dual-energy radiography allows determination of the effective atomic number of a material with an accuracy of up to 80-90%. Development of three-energy radiography and radiography of higher multiplicity makes it possible to further improve the reconstruction of an object's chemical composition. This presents the possibility, for example, of detection of explosives and other illegal objects in luggage with a reliability approaching 95-98%. These developments can find application not only in anti-terrorist activities, but also in industrial testing and nuclear medicine.

Citation Download Citation

Sergey V. Naydenov, Vladimir D. Ryzhikov, Craig F. Smith, Dennis Wood, Sergey Kostioukevitych, and Elena Lisetska "Multi-energy ZnSe-based radiography against terrorism: theory and experiments", Proc. SPIE 6319, Hard X-Ray and Gamma-Ray Detector Physics and Penetrating Radiation Systems VIII, 63191A (21 September 2006); https://doi.org/10.1117/12.676869

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