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Proceedings Paper

Scatter Field Influence On X-Ray Grid Characterization
Author(s): H. Bernstein; E. P. Muntz
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Paper Abstract

We have been studying the performance of x-ray grids both experimentally and theoretically. Grid performance depends not only on its inherent design, but also on characteristics of the scatter field, air gaps from scatterer to grid and to the detector and photon energy. In this paper we have evaluated the theoretical performance of x-ray grids for a variety of scatter fields where edge effects due to the finite size of the scatterer are taken into account, as well as photon energies and air gaps. Scatter field definition is based on our own experimental measurements, as well as the Monte-Carlo calculations of Doi, et al. The results of this work permit a calculation from first principles of such well-known grid characterization as: Bucky factor, Selectivity and Contrast improvement factor. The dependence of these characterizations on the scatterer, air gaps, etc. can be determined from the calculation.

Paper Details

Date Published: 29 December 1982
PDF: 13 pages
Proc. SPIE 0347, Application of Optical Instrumentation in Medicine X, (29 December 1982); doi: 10.1117/12.933828
Show Author Affiliations
H. Bernstein, Rancho Los Amigos Hospital and University of Southern California (United States)
E. P. Muntz, LAC-USC Medical Center and University of Southern California (United States)

Published in SPIE Proceedings Vol. 0347:
Application of Optical Instrumentation in Medicine X
Gary D. Fullerton; James A. Mulvaney; Arthur G. Haus; William S. Properzio, Editor(s)

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