Finite element Compton tomography
2007
In this paper a new approach to 3D Compton imaging is presented, based on a kind of finite element (FE) analysis. A
window for X-ray incoherent scattering (or Compton scattering) attenuation coefficients is identified for breast cancer
diagnosis, for hard X-ray photon energy of 100-300 keV. The point-by-point power/energy budget is computed, based on a
2D array of X-ray pencil beams, scanned vertically. The acceptable medical doses are also computed. The proposed finite
element tomography (FET) can be an alternative to X-ray mammography, tomography, and tomosynthesis. In experiments,
100 keV (on average) X-ray photons are applied, and a new type of pencil beam collimation, based on a Lobster-Eye Lens
(LEL), is proposed.
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