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17 September 2019 Analysis algorithms for simultaneous neutron and x-ray tomography datasets from the NIST NeXT system (Conference Presentation)
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Abstract
The NIST Neutron and X-ray Tomography (NeXT) system provides simultaneous, complementary, multimodal information for the characterization of materials. Neutrons and X-rays yield complementary, non-destructive views of a complex system due to the contrast differences that arise from the differences in interaction with matter for the two modes. The NeXT system orients a 90 keV microfocus X-ray tube orthogonally to the thermal neutron beam. This enables truly simultaneous capture of the two modalities, thus it is possible to perform multimodal tomography of dynamic or stochastic samples while penetrating through sample environment equipment such as pressure and flow vessels. NIST has developed and continues to update distributable software for reconstructing and analyzing the multimodal datasets. Tomographic reconstruction offers multiple CPU and GPU based algorithms for parallel and cone beam geometries. Additional analysis routines perform volume registration and region of interest segmentation of the bivariate histogram that leverages the contrast differences between the two modalities. This talk will give an overview of the NeXT system, the algorithm developments underway and provide multiple research applications using the system.
Conference Presentation
© (2019) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jacob M. LaManna, Daniel S. Hussey, Eli Baltic, and David L. Jacobson "Analysis algorithms for simultaneous neutron and x-ray tomography datasets from the NIST NeXT system (Conference Presentation)", Proc. SPIE 11113, Developments in X-Ray Tomography XII, 111131C (17 September 2019); https://doi.org/10.1117/12.2529596
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