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Proceedings Paper

The Measurement Of Diagnostic X-Ray Spectra With A High Purity Germanium Spectrometer
Author(s): Thomas R. Fewell; Kenneth E. Weaver
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Paper Abstract

This paper describes a system which approaches the state-of-the-art in energy dispersive x-ray spectrometry. Special methods for obtaining x-ray spectra from machines operating at high current levels and other phenomena which could cause spectral distortion are discussed. Entrance and exit spectra from some typical diagnostic procedures are shown. It is demonstrated that the exit spectra can be closely approximated by replacing the phantom with aluminum filtration. Since the sensitometric performance of imaging systems is influenced by beam quality, this technique can provide x-ray beams similar to those used in diagnostic radiology. The usefulness of the spectrometer for accurately measuring kVp and determining unknown elements of an intensifying screen is also illustrated.

Paper Details

Date Published: 1 May 1974
PDF: 10 pages
Proc. SPIE 0056, Medical X-Ray Photo-Optical Systems Evaluation, (1 May 1974); doi: 10.1117/12.954264
Show Author Affiliations
Thomas R. Fewell, Bureau of Radiological Health (United States)
Kenneth E. Weaver, Bureau of Radiological Health (United States)


Published in SPIE Proceedings Vol. 0056:
Medical X-Ray Photo-Optical Systems Evaluation
David J. Goodenough; Robert F. Wagner; Kenneth E. Weaver, Editor(s)

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