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Details of Grant 

EPSRC Reference: GR/S75383/01
Title: A New, Rapid 3d Tomographic Energy Dispersive Diffraction Imaging System for Materials Characterisation & Object Imaging (Rapid TEDDI)
Principal Investigator: Cernik, Professor R
Other Investigators:
Seller, Mr P Freer, Professor R Barnes, Professor P
Researcher Co-Investigators:
Project Partners:
Department: Materials
Organisation: University of Manchester, The
Scheme: Standard Research (Pre-FEC)
Starts: 17 November 2004 Ends: 16 November 2007 Value (£): 198,603
EPSRC Research Topic Classifications:
Instrumentation Eng. & Dev.
EPSRC Industrial Sector Classifications:
Healthcare Environment
Chemicals Pharmaceuticals and Biotechnology
Related Grants:
Panel History:  
Summary on Grant Application Form
Tomographic Energy Dispersive Diffraction Imaging or TEDDI has been shown to give non-destructive 3D images of materials. These include engineering components, biological systems, ceramics and cementitious materials at a spatial resolution given by the incident and scattered beam geometries. In addition each voxel gives structural information from diffraction and spectroscopic information from fluorescence. TEDDI is therefore a very versatile and widely applicable technique. The problem at present is the time taken to scan the samples. This can be anything from hours to tens of hours even on an optimised synchrotron source. This proposal will remove these time constrains by building a 20 collimator-detector array. The IMPACT programme has delivered a suitable energy-resolving detector as a 16 x 16 array with an energy resolution of 250eV. In order to match each of the 256 pixels we will build a 2D collimator array that maps onto each pixel with an aspect ratio of 6000:1. This is a significant engineering challenge for which we have a simple solution (patent pending). The 2D collimator assembly and detector will revolutionise the speed of data collection and launch the TEDDI method as a mainstream synchrotron or laboratory-based technique. The applications vary from the evaluation of fabricated component integrity to medical imaging.
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Organisation Website: http://www.man.ac.uk