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Diffraction topography (short: "topography") is a imaging technique based on Bragg diffraction. Diffraction topographic images ("topographies") record the intensity profile of a beam of X-rays (or, sometimes, neutrons) diffracted by a crystal. A topography thus represents a two-dimensional spatial intensity mapping (image) of the X-rays ...
Norio Kato (Japanese: 加藤 範夫, Kato Norio, March 10, 1923 – April 5, 2002) was a Japanese physicist and crystallographer.He was known for his contributions in diffraction topography and the dynamical theory of diffraction, including the validation of the Pendellösung effect and extensions to account for realistic scattering conditions.
Diffraction tomography is an inverse scattering technique used to find the shape of a scattering object by illuminating it with probing waves and recording the reflections. It is based on the diffraction slice theorem and assumes that the scatterer is weak.
Topography, the study of the current terrain features of a region and the graphic representation of the landform on a map Inverted topography, landscape features that have reversed their elevation relative to other features; Karst topography, a landscape on soluble rock, characterized by underground drainage systems with sinkholes and caves
Tanner is best known for research and business applications of X-ray diffraction topography. [4] Tanner has worked at the Department of Physics at Durham University since 1973, where he was made Professor of Physics in 1996 and was the University Dean of Knowledge Transfer from 2008 to 2016. [1]
X-ray diffraction computed tomography is an experimental technique that combines X-ray diffraction with the computed tomography data acquisition approach. X-ray diffraction (XRD) computed tomography (CT) was first introduced in 1987 by Harding et al. [ 1 ] using a laboratory diffractometer and a monochromatic X-ray pencil beam .
The dynamical theory of diffraction describes the interaction of waves with a regular lattice. The wave fields traditionally described are X-rays , neutrons or electrons and the regular lattice are atomic crystal structures or nanometer -scale multi-layers or self-arranged systems.
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